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{{short description|2024 meteoroid}}
{{DISPLAYTITLE:{{mp|2024 RW|1}}}}
{{DISPLAYTITLE:{{mp|2024 RW|1}}}}
{{Infobox planet
| minorplanet = yes
| name = {{mp|2024 RW|1}}
| background = #FFC2E0
| image = 2024 RW1 Discovery Images.gif
| caption = The sequence of four images in which {{mp|2024 RW|1}} (inside purple circles) was discovered


| discovery_ref = {{r|MPC-object|MPEC-2024-R68}}
'''{{mp|2024 RW|1}}''', previously known under its provisional designation '''CAQTDL2''',<ref name="sparkes"/> was a 1-meter-sized [[asteroid]] or [[meteoroid]] that struck the Earth's atmosphere and burned up harmlessly on September 4, 2024, at around 12:40 a.m. [[Philippine Standard Time|PHT]] (September 4, 16:40 UTC) above the [[western Pacific Ocean]] near [[Luzon]], Philippines.<ref name="sparkes">{{cite news|work=New Scientist|title=A small asteroid hit Earth and burned up over the Philippines|quote=A newly spotted asteroid named 2024 RW1 burned up in the atmosphere over the South Pacific, creating a spectacular bright flash in the sky over the Philippines just hours after first being detected|last1=Sparkes|first1=Matthew|last2=Dinneen|first2=James|url=https://www.newscientist.com/article/2446397-a-small-asteroid-hit-earth-and-burned-up-over-the-philippines/|access-date=September 4, 2024|archive-date=September 4, 2024|archive-url=https://web.archive.org/web/20240904175210/https://www.newscientist.com/article/2446397-a-small-asteroid-hit-earth-and-burned-up-over-the-philippines/|url-status=live}}</ref><ref>{{cite news|title=Asteroid the size of two house cats to hit Earth over the Philippines|first=Aaron|last=Reich|newspaper=Jerusalem Post|via=MSN|date=September 4, 2024|url=https://www.msn.com/en-za/news/other/asteroid-the-size-of-two-house-cats-to-hit-earth-over-the-philippines/ar-AA1q01qi|access-date=September 4, 2024|archive-date=September 5, 2024|archive-url=https://web.archive.org/web/20240905002349/https://www.msn.com/en-za/news/other/asteroid-the-size-of-two-house-cats-to-hit-earth-over-the-philippines/ar-AA1q01qi|url-status=live}}</ref> {{mp|2024 RW|1}} is the ninth [[impact event]] that was [[Asteroid impact prediction|successfully predicted]],<ref>{{cite news |last1=Kooser |first1=Amanda |title=Rare Asteroid Spotted Hours Before Impacting Earth’s Atmosphere |url=https://www.forbes.com/sites/amandakooser/2024/09/04/rare-asteroid-spotted-hours-before-impacting-earths-atmosphere/ |access-date=5 September 2024 |work=[[Forbes]] |date=4 September 2024 |archive-date=5 September 2024 |archive-url=https://web.archive.org/web/20240905002459/https://www.forbes.com/sites/amandakooser/2024/09/04/rare-asteroid-spotted-hours-before-impacting-earths-atmosphere/ |url-status=live }}</ref> which was discovered by Jacqueline Fazekas at NASA-funded [[Catalina Sky Survey]].<ref name=Tingley>{{cite web|website=[[Space.com]]|title=Tiny asteroid will hit Earth today, burn up over Philippines. 'Discovered this morning,' ESA says|first=Brett|last=Tingley|date=September 4, 2024|url=https://www.space.com/asteroid-earth-impact-september-2024-rw1|access-date=September 4, 2024|archive-date=September 5, 2024|archive-url=https://web.archive.org/web/20240905002351/https://www.space.com/asteroid-earth-impact-september-2024-rw1|url-status=live}}</ref>
| discoverer = Jacqueline B. Fazekas
| discovery_site = [[Mount Lemmon Observatory|Mount Lemmon Obs.]]
| discovered = September 4, 2024
| mpc_name = {{mp|2024 RW|1}}
| alt_names = CAQTDL2
| pronounced =
| named_after =
| mp_category = {{nowrap|[[Near-Earth object|NEO]]{{·}}[[Apollo asteroid|Apollo]]}}

| orbit_ref = <ref name=jpldata/>
| epoch = 4 September 2024 ([[Julian day|JD]] 2460557.5)
| uncertainty = 5
| observation_arc = 10.30 h (618.23 min)
| earliest_precovery_date =
| aphelion = 4.279 [[Astronomical unit|AU]]
| perihelion = 0.735 AU
| semimajor = 2.507 AU
| eccentricity = 0.7068
| period = 3.97 yr (1,450 d)
| mean_anomaly = 349.188[[Degree (angle)|°]]
| mean_motion = {{Deg2DMS|0.2482775|sup=ms}} / day
| inclination = 0.528°
| asc_node = 162.457°
| arg_peri = 249.622°
| moid = {{convert|1.34283E-5|AU|km|abbr=unit}}

| physical_ref =
| mean_diameter = ~{{cvt|1|m|ft}}
| mass =
| density =
| rotation =
| axial_tilt =
| albedo =
| spectral_type = [[C-type asteroid]]<ref name=Green_2024/>
| magnitude =
| abs_magnitude = {{val|32.048|0.343}}<ref name=jpldata/>
}}

'''{{mp|2024 RW|1}}''', previously known under its provisional designation '''CAQTDL2''',<ref name=Sparkes_2024/> was a 1-meter-sized [[asteroid]] or [[meteoroid]] that struck the Earth's atmosphere and burned up harmlessly on September 5, 2024, at around 12:40 a.m. [[Philippine Standard Time|PHT]] (September 4, 16:40 UTC) above the [[western Pacific Ocean]] near [[Cagayan]], Philippines.{{r|Sparkes_2024|Reich_2024}} {{mp|2024 RW|1}} is the ninth [[impact event]] that was [[Asteroid impact prediction|successfully predicted]],<ref name=Kooser_2024/> which was discovered by Jacqueline Fazekas at [[NASA]]-funded [[Catalina Sky Survey]].<ref name=Tingley_2024/>


==Ground observation==
==Ground observation==
Despite the presence of [[Typhoon Yagi (2024)|Typhoon Yagi]] over the Phillipines that the ESA initially said "might obscure the view of the asteroid", several several observers reported seeing the fireball, including those who posted videos on social media.<ref>{{citation|work=Smithsonian Magazine|title=An Asteroid Hit Earth's Atmosphere Today—Here's Why Astronomers Say That's a Good Thing|first=Margherita |last=Bassi|date=September 4, 2024|url=https://www.smithsonianmag.com/smart-news/an-asteroid-hit-earths-atmosphere-today-heres-why-astronomers-say-thats-a-good-thing-180985020/|quote= Despite an initial assessment from the European Space Agency (ESA) suggesting tropical storms might obscure the view of the asteroid, several videos of the space rock lighting up the night sky have popped up on social media.}}</ref>
Despite the presence of [[Typhoon Yagi]] over the Philippines that the [[European Space Agency]] (ESA) initially said "might obscure the view of the asteroid", several observers reported seeing the fireball, including those who posted videos on social media.<ref name=Bassi_2024/>


==See also==
==See also==
*[[Asteroid impact prediction#List of successfully predicted asteroid impacts|Asteroid impact prediction]]
*[[Asteroid impact prediction#List of successfully predicted asteroid impacts|Asteroid impact prediction]]
** [[2024 BX1|{{mp|2024 BX|1}}]]
** [[2024 UQ]]


==References==
==References==
{{reflist}}
{{reflist|refs=

<ref name="Bassi_2024">{{cite magazine
| author1= Margherita Bassi
| url= https://www.smithsonianmag.com/smart-news/an-asteroid-hit-earths-atmosphere-today-heres-why-astronomers-say-thats-a-good-thing-180985020/
| magazine= [[Smithsonian (magazine)|Smithsonian Magazine]]
| title= An Asteroid Hit Earth's Atmosphere Today — Here's Why Astronomers Say That's a Good Thing
| date= 4 September 2024
| access-date= 5 September 2024 }}
</ref>

<ref name="Green_2024">{{ cite web
| author1= Daniel W. E. Green
| title= Electronic Telegram No. 5438
| url= http://www.cbat.eps.harvard.edu/iau/cbet/005400/CBET005438.txt
| work= Central Bureau for Astronomical Telegrams
| access-date= 5 September 2024
| format= TXT }}
</ref>

<ref name="jpldata">{{cite web
| title= Small-Body Database Lookup: ({{mp|2024 RW|1}})
| url= https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=2024%20RW1
| website= ssd.jpl.nasa.gov
| publisher= [[NASA]] / [[Jet Propulsion Laboratory|JPL]]
| access-date= 6 September 2024 }}
</ref>

<ref name="Kooser_2024">{{cite news
| author1= Amanda Kooser
| title= Rare Asteroid Spotted Hours Before Impacting Earth's Atmosphere
| url= https://www.forbes.com/sites/amandakooser/2024/09/04/rare-asteroid-spotted-hours-before-impacting-earths-atmosphere/
| work= [[Forbes]]
| date= 4 September 2024
| access-date= 5 September 2024
| archive-date= 5 September 2024
| archive-url= https://web.archive.org/web/20240905002459/https://www.forbes.com/sites/amandakooser/2024/09/04/rare-asteroid-spotted-hours-before-impacting-earths-atmosphere/
| url-status= live }}
</ref>

<ref name="MPEC-2024-R68">{{cite web
| title= MPEC 2024-R68: {{mp|2024 RW|1}}
| url= https://minorplanetcenter.net/mpec/K24/K24R68.html
| work= Minor Planet Electronic Circular
| publisher= [[Minor Planet Center]]
| date= 4 September 2024
| access-date= 6 September 2024 }}
</ref>

<ref name="MPC-object">{{cite web
| title= {{mp|2024 RW|1}}
| url= https://www.minorplanetcenter.net/db_search/show_object?object_id=2024+RW1
| publisher= [[Minor Planet Center]]
| access-date= 6 September 2024 }}
</ref>

<ref name="Reich_2024">{{cite news
| author1= Aaron Reich
| title= Asteroid the size of two house cats to hit Earth over the Philippines
| newspaper= [[The Jerusalem Post]]
| via= [[MSN]]
| url= https://www.msn.com/en-za/news/other/asteroid-the-size-of-two-house-cats-to-hit-earth-over-the-philippines/ar-AA1q01qi
| date= 4 September 2024
| access-date= 4 September 2024
| archive-date= 5 September 2024
| archive-url= https://web.archive.org/web/20240905002349/https://www.msn.com/en-za/news/other/asteroid-the-size-of-two-house-cats-to-hit-earth-over-the-philippines/ar-AA1q01qi
| url-status= live }}
</ref>

<ref name="Sparkes_2024">{{cite news
| author1= M. Sparkes
| author2= J. Dinneen
| title= A small asteroid hit Earth and burned up over the Philippines
| url= https://www.newscientist.com/article/2446397-a-small-asteroid-hit-earth-and-burned-up-over-the-philippines/
| work= New Scientist
| date= 4 September 2024
| access-date= 5 September 2024
| archive-date= 4 September 2024
| archive-url= https://web.archive.org/web/20240904175210/https://www.newscientist.com/article/2446397-a-small-asteroid-hit-earth-and-burned-up-over-the-philippines/
| url-status= live }}
</ref>

<ref name="Tingley_2024">{{cite web
| author1= Brett Tingley
| title= Tiny asteroid will hit Earth today, burn up over Philippines. 'Discovered this morning,' ESA says
| url= https://www.space.com/asteroid-earth-impact-september-2024-rw1
| website= Space.com
| date= 4 September 2024
| access-date= 4 September 2024
| archive-date= 5 September 2024
| archive-url= https://web.archive.org/web/20240905002351/https://www.space.com/asteroid-earth-impact-september-2024-rw1
| url-status= live }}
</ref>

}}


==External links==
==External links==
* [https://fireballs.imo.net/members/imo_view/event/2024/4885 Fireball observation 4885-2024] — list of eyewitness accounts of the fireball collected by the [[International Meteor Organization]]
* [https://fireballs.imo.net/members/imo_view/event/2024/4885 Fireball observation 4885-2024] — list of eyewitness accounts of the fireball collected by the [[International Meteor Organization]]



{{2024 in space}}
{{2024 in space}}
{{Modern impact events}}

{{Portal bar|Astronomy|Stars|Solar System|Physics|Science}}
{{astronomy-stub}}


[[Category:Astronomical objects discovered in 2024|20240904]]
[[Category:Astronomical objects discovered in 2024|20240904]]
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[[Category:September 2024 events in the Philippines]]
[[Category:September 2024 events in the Philippines]]
[[Category:Modern Earth impact events]]
[[Category:Modern Earth impact events]]
[[Category:History of Cagayan]]

Latest revision as of 05:56, 26 October 2024

2024 RW1
The sequence of four images in which 2024 RW1 (inside purple circles) was discovered
Discovery[1][2]
Discovered byJacqueline B. Fazekas
Discovery siteMount Lemmon Obs.
Discovery dateSeptember 4, 2024
Designations
2024 RW1
CAQTDL2
NEO · Apollo
Orbital characteristics[3]
Epoch 4 September 2024 (JD 2460557.5)
Uncertainty parameter 5
Observation arc10.30 h (618.23 min)
Aphelion4.279 AU
Perihelion0.735 AU
2.507 AU
Eccentricity0.7068
3.97 yr (1,450 d)
349.188°
0° 14m 53.799s / day
Inclination0.528°
162.457°
249.622°
Earth MOID1.34283×10−5 AU (2.00885×103 km)
Physical characteristics
~1 m (3.3 ft)
C-type asteroid[4]
32.048±0.343[3]

2024 RW1, previously known under its provisional designation CAQTDL2,[5] was a 1-meter-sized asteroid or meteoroid that struck the Earth's atmosphere and burned up harmlessly on September 5, 2024, at around 12:40 a.m. PHT (September 4, 16:40 UTC) above the western Pacific Ocean near Cagayan, Philippines.[5][6] 2024 RW1 is the ninth impact event that was successfully predicted,[7] which was discovered by Jacqueline Fazekas at NASA-funded Catalina Sky Survey.[8]

Ground observation

[edit]

Despite the presence of Typhoon Yagi over the Philippines that the European Space Agency (ESA) initially said "might obscure the view of the asteroid", several observers reported seeing the fireball, including those who posted videos on social media.[9]

See also

[edit]

References

[edit]
  1. ^ "2024 RW1". Minor Planet Center. Retrieved 6 September 2024.
  2. ^ "MPEC 2024-R68: 2024 RW1". Minor Planet Electronic Circular. Minor Planet Center. 4 September 2024. Retrieved 6 September 2024.
  3. ^ a b "Small-Body Database Lookup: (2024 RW1)". ssd.jpl.nasa.gov. NASA / JPL. Retrieved 6 September 2024.
  4. ^ Daniel W. E. Green. "Electronic Telegram No. 5438" (TXT). Central Bureau for Astronomical Telegrams. Retrieved 5 September 2024.
  5. ^ a b M. Sparkes; J. Dinneen (4 September 2024). "A small asteroid hit Earth and burned up over the Philippines". New Scientist. Archived from the original on 4 September 2024. Retrieved 5 September 2024.
  6. ^ Aaron Reich (4 September 2024). "Asteroid the size of two house cats to hit Earth over the Philippines". The Jerusalem Post. Archived from the original on 5 September 2024. Retrieved 4 September 2024 – via MSN.
  7. ^ Amanda Kooser (4 September 2024). "Rare Asteroid Spotted Hours Before Impacting Earth's Atmosphere". Forbes. Archived from the original on 5 September 2024. Retrieved 5 September 2024.
  8. ^ Brett Tingley (4 September 2024). "Tiny asteroid will hit Earth today, burn up over Philippines. 'Discovered this morning,' ESA says". Space.com. Archived from the original on 5 September 2024. Retrieved 4 September 2024.
  9. ^ Margherita Bassi (4 September 2024). "An Asteroid Hit Earth's Atmosphere Today — Here's Why Astronomers Say That's a Good Thing". Smithsonian Magazine. Retrieved 5 September 2024.
[edit]
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