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{{Use dmy dates|date=February 2018}}
{{DISPLAYTITLE:2004 TG<sub>10</sub>}}
{{DISPLAYTITLE:{{mp|2004 TG|10}}}}
{{Infobox Comet
{{Infobox planet
| name=2004 TG<sub>10</sub>
| minorplanet = yes
| image=
| name = {{mp|2004 TG|10}}
| discoverer=
| background = #FFC2E0
| discovery_date=
| image =
| designations=
| image_size =
| epoch=June 18, 2009 (2455000.5)
| caption =
| semimajor=2.2427 [[Astronomical Unit|AU]]
| discovery_ref = <ref name="jpldata" /><ref name="MPC-2004TG10" />
| perihelion=0.31399 AU
| discovered = 8 October 2004<br />{{nowrap|{{small|(discovery: first observed only)}}}}
| aphelion=4.1715 AU
| discoverer = [[Spacewatch]]
| eccentricity=0.85999
| discovery_site = [[Kitt Peak National Observatory|Kitt Peak Obs.]]
| period=3.36 [[Julian year (astronomy)|yr]]
| mpc_name = {{mp|2004 TG|10}}
| inclination=3.707°
| alt_names =
| last_p=October 4, 2011<ref name=jpldata/><br>May 21, 2008
| pronounced =
| next_p=February 4, 2015
| named_after =
| mp_category = [[Near-Earth object|NEO]]{{·}}[[Apollo asteroid|Apollo]]{{·}}[[Potentially hazardous object|PHA]]<ref name="jpldata" />
| orbit_ref = <ref name="jpldata" />
| epoch = 4 September 2017 ([[Julian day|JD]] 2458000.5)
| uncertainty = 0
| observation_arc = 10.16 yr (3,712 days)
| aphelion = 4.1597 [[Astronomical unit|AU]]
| perihelion = 0.3086 AU
| semimajor = 2.2341 AU
| eccentricity = 0.8619
| period = 3.34 [[Julian year (astronomy)|yr]] (1,220 days)
| mean_anomaly = 278.07[[Degree (angle)|°]]
| mean_motion = {{Deg2DMS|0.2951|sup=ms}} / day
| inclination = 4.1802°
| asc_node = 205.10°
| arg_peri = 317.37°
| moid = 0.0225 AU{{·}}8.8 [[Lunar distance (astronomy)|LD]]
| jupiter_moid = 0.8877 AU
| dimensions = 0.35–0.78 km<ref name="Porubcan-2006" /><br />{{val|1.316|0.605}} km<ref name="Nugent-2015" />
| rotation =
| albedo = {{val|0.018|0.037}}<ref name="Nugent-2015" />
| spectral_type =
| abs_magnitude = 19.4<ref name="jpldata" /><ref name="Porubcan-2006" />
}}
}}


'''{{mp|2004 TG|10}}''', is an eccentric [[asteroid]], classified as [[near-Earth object]] and [[potentially hazardous asteroid]] of the [[Apollo asteroid|Apollo group]]. First observed by the [[Spacewatch]] survey on 8 October 2004,<ref name="MPC-2004TG10" /> it may be a fragment of [[Comet Encke]] and is the source of the [[Northern Taurids]] [[meteor shower]] seen annually in November<ref name="Porubcan-2006" /><ref name="Taurids 2017">{{cite web|url=https://patch.com/us/across-america/taurids-meteor-shower-fireballs-peak-dates-what-expect|title=Taurids Meteor Shower Fireballs: Peak Dates, What To Expect|author=Beth Dalbey|date=24 October 2017|access-date=11 November 2017}}</ref> and the June [[Beta Taurids]].<ref name=Jenniskens>Meteor showers and their parent comets [https://books.google.com/books?id=QpajMuyXG8AC&pg=PA470&dq=TG10 pg 470] by [[Peter Jenniskens]]</ref> The asteroid may be larger than one kilometer in diameter.
'''{{mp|2004 TG|10}}''', also written as '''2004 TG10''', is a [[near-Earth object]].<ref name=jpldata>{{cite web
|type=last observation: 2008-07-17; [[Observation arc|arc]]: 3.78 years
|title=JPL Small-Body Database Browser: (2004 TG10)
|url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2004TG10
|accessdate=2009-05-19}}</ref> It may be a fragment of [[Comet Encke]].<ref name=Porub2006>
{{cite journal
|last=Porubčan |first=V.
|author2=Kornoš; Williams
|title=The Taurid complex meteor showers and asteroids
|journal=Contributions of the Astronomical Observatory Skalnaté Pleso
|volume=36 |pages=103–117 |year=2006
|arxiv=0905.1639
|bibcode = 2006CoSka..36..103P }}</ref> Depending on its [[albedo]] it is estimated to be 350 to 780 meters in diameter.<ref name=Porub2006/> It may be the source of the [[Northern Taurids]] [[meteor shower]] in November.


== Orbit ==
<div style="float:right; margin:2px;">

{| class=wikitable style="text-align:center"
{{mp|2004 TG|10}} orbits the Sun at a distance of 0.3–4.2&nbsp;[[Astronomical unit|AU]] once every 3 years and 4 months (1,220 days). Its orbit has an [[orbital eccentricity|eccentricity]] of 0.86 and an [[orbital inclination|inclination]] of 4[[Degree (angle)|°]] with respect to the [[ecliptic]].<ref name="jpldata" />

It has an ''Earth [[minimum orbital intersection distance]]'' of {{convert |0.0225 |AU |km |abbr=on |sigfig=3}}, which corresponds to 8.8 [[Lunar distance (astronomy)|lunar distances]].<ref name="jpldata" />

== Physical characteristics ==

According to the survey carried out by the [[NEOWISE]] mission of NASA's [[Wide-field Infrared Survey Explorer]], the asteroid measures 1.316 kilometers in diameter and its surface has an exceptionally low [[astronomical albedo|albedo]] of 0.018,<ref name="Nugent-2015" /> while Porubcan estimates a diameter of 350 to 780 meters, based on an albedo of 0.25 to 0.05, which typically covers most [[S-type asteroid|S-type]] and [[C-type asteroids]].<ref name="Porubcan-2006" />

{| class=wikitable style="text-align: center;"
|+ TG10 compared to Comet Encke
|+ TG10 compared to Comet Encke
![[Astronomical unit|AU]]!!TG<sub>10</sub><ref name=jpldata/>!![[Comet Encke|Encke]]<ref name=jplencke>{{cite web
! [[Astronomical unit|AU]] !! {{mp|2004 TG|10}} !![[Comet Encke|Encke]]<ref name="jpl-Encke" />
|type=last observation: 2008-09-30
|title=JPL Small-Body Database Browser: 2P/Encke
|url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2P
|accessdate=2009-05-19}}</ref>
|-
|-
|[[Semi-major axis]] || 2.24 || 2.21
| [[Semi-major axis]] || 2.24 || 2.21
|-
|-
|[[Apsis|Perihelion]] || 0.313 || 0.338
| [[Apsis|Perihelion]] || 0.313 || 0.338
|-
|-
|Aphelion || 4.17 || 4.09
| Aphelion || 4.17 || 4.09
|-
|-
|[[Orbital eccentricity|Eccentricity]] || 0.859 || 0.847
|[[Orbital eccentricity|Eccentricity]] || 0.859 || 0.847
|-
|}</div>
| [[Longitude of perihelion]] || 162.455° || 161.113°
{{-}}
|}

== References ==
{{reflist|refs=

<ref name="jpldata">{{cite web
|type = 2014-12-04 last obs.
|title = JPL Small-Body Database Browser: (2004 TG10)
|url = http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=3256324
|publisher = [[Jet Propulsion Laboratory]]
|accessdate = 29 July 2017}}</ref>

<ref name="MPC-2004TG10">{{cite web
|title = 2004 TG10
|work = Minor Planet Center
|url = http://www.minorplanetcenter.net/db_search/show_object?object_id=2004+TG10
|accessdate = 29 July 2017}}</ref>

<ref name="Nugent-2015">{{Cite journal
|display-authors = 6
|first1 = C. R. |last1 = Nugent
|first2 = A. |last2 = Mainzer
|first3 = J. |last3 = Masiero
|first4 = J. |last4 = Bauer
|first5 = R. M. |last5 = Cutri
|first6 = T. |last6 = Grav
|first7 = E. |last7 = Kramer
|first8 = S. |last8 = Sonnett
|first9 = R. |last9 = Stevenson
|first10 = E. L. |last10 = Wright
|date = December 2015
|title = NEOWISE Reactivation Mission Year One: Preliminary Asteroid Diameters and Albedos
|url = http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2015ApJ...814..117N
|journal = The Astrophysical Journal
|volume = 814
|issue = 2
|page = 13
|bibcode = 2015ApJ...814..117N
|doi = 10.1088/0004-637X/814/2/117
|arxiv = 1509.02522
|access-date= 29 July 2017}}</ref>

<ref name="Porubcan-2006">{{Cite journal
|first1 = V. |last1 = Porubčan
|first2 = L. |last2 = Kornoš
|first3 = I. P. |last3 = Williams
|date = June 2006
|title = The Taurid complex meteor showers and asteroids
|url = http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2006CoSka..36..103P
|journal = Contributions of the Astronomical Observatory Skalnaté Pleso
|volume = 36
|pages = 103–117
|bibcode = 2006CoSka..36..103P
|arxiv = 0905.1639
|access-date= 29 July 2017}}</ref>

<ref name="jpl-Encke">{{cite web
|type = last observation: 2008-09-30
|title = JPL Small-Body Database Browser: 2P/Encke
|url = http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2P
|accessdate = 2009-05-19}}</ref>

}} <!-- end of reflist -->


== External links ==
==References==
* {{NeoDys|2004TG10}}
<references/>
* {{ESA-SSA|2004TG10}}
* {{JPL small body}}


<!--use upon numbering: {{Minor planets navigator | |number=? |PageName={{mp|(?) 2004 TG|10}} | }} -->
==External links==
{{Small Solar System bodies}}
*[http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2004TG10;orb=1;view=Far Orbital simulation] from JPL (Java) / [http://ssd.jpl.nasa.gov/horizons.cgi?find_body=1&body_group=sb&sstr=2004TG10 Ephemeris]
{{Authority control}}


{{DEFAULTSORT:2004 T010G}}
{{DEFAULTSORT:2004 TG10}}
[[Category:Apollo asteroids]]
[[Category:Apollo asteroids|#]]
[[Category:Astronomical objects discovered in 2004|20041018]]
[[Category:Meteor shower progenitors|*]]
[[Category:Discoveries by the Spacewatch project]]
[[Category:Minor planet object articles (unnumbered)]]
[[Category:Potentially hazardous asteroids|#]]
[[Category:Astronomical objects discovered in 2004|20041008]]

Latest revision as of 20:52, 28 December 2024

2004 TG10
Discovery[1][2]
Discovered bySpacewatch
Discovery siteKitt Peak Obs.
Discovery date8 October 2004
(discovery: first observed only)
Designations
2004 TG10
NEO · Apollo · PHA[1]
Orbital characteristics[1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc10.16 yr (3,712 days)
Aphelion4.1597 AU
Perihelion0.3086 AU
2.2341 AU
Eccentricity0.8619
3.34 yr (1,220 days)
278.07°
0° 17m 42.36s / day
Inclination4.1802°
205.10°
317.37°
Earth MOID0.0225 AU · 8.8 LD
Jupiter MOID0.8877 AU
Physical characteristics
Dimensions0.35–0.78 km[3]
1.316±0.605 km[4]
0.018±0.037[4]
19.4[1][3]

2004 TG10, is an eccentric asteroid, classified as near-Earth object and potentially hazardous asteroid of the Apollo group. First observed by the Spacewatch survey on 8 October 2004,[2] it may be a fragment of Comet Encke and is the source of the Northern Taurids meteor shower seen annually in November[3][5] and the June Beta Taurids.[6] The asteroid may be larger than one kilometer in diameter.

Orbit

[edit]

2004 TG10 orbits the Sun at a distance of 0.3–4.2 AU once every 3 years and 4 months (1,220 days). Its orbit has an eccentricity of 0.86 and an inclination of 4° with respect to the ecliptic.[1]

It has an Earth minimum orbital intersection distance of 0.0225 AU (3,370,000 km), which corresponds to 8.8 lunar distances.[1]

Physical characteristics

[edit]

According to the survey carried out by the NEOWISE mission of NASA's Wide-field Infrared Survey Explorer, the asteroid measures 1.316 kilometers in diameter and its surface has an exceptionally low albedo of 0.018,[4] while Porubcan estimates a diameter of 350 to 780 meters, based on an albedo of 0.25 to 0.05, which typically covers most S-type and C-type asteroids.[3]

TG10 compared to Comet Encke
AU 2004 TG10 Encke[7]
Semi-major axis 2.24 2.21
Perihelion 0.313 0.338
Aphelion 4.17 4.09
Eccentricity 0.859 0.847
Longitude of perihelion 162.455° 161.113°

References

[edit]
  1. ^ a b c d e f "JPL Small-Body Database Browser: (2004 TG10)" (2014-12-04 last obs.). Jet Propulsion Laboratory. Retrieved 29 July 2017.
  2. ^ a b "2004 TG10". Minor Planet Center. Retrieved 29 July 2017.
  3. ^ a b c d Porubčan, V.; Kornoš, L.; Williams, I. P. (June 2006). "The Taurid complex meteor showers and asteroids". Contributions of the Astronomical Observatory Skalnaté Pleso. 36: 103–117. arXiv:0905.1639. Bibcode:2006CoSka..36..103P. Retrieved 29 July 2017.
  4. ^ a b c Nugent, C. R.; Mainzer, A.; Masiero, J.; Bauer, J.; Cutri, R. M.; Grav, T.; et al. (December 2015). "NEOWISE Reactivation Mission Year One: Preliminary Asteroid Diameters and Albedos". The Astrophysical Journal. 814 (2): 13. arXiv:1509.02522. Bibcode:2015ApJ...814..117N. doi:10.1088/0004-637X/814/2/117. Retrieved 29 July 2017.
  5. ^ Beth Dalbey (24 October 2017). "Taurids Meteor Shower Fireballs: Peak Dates, What To Expect". Retrieved 11 November 2017.
  6. ^ Meteor showers and their parent comets pg 470 by Peter Jenniskens
  7. ^ "JPL Small-Body Database Browser: 2P/Encke" (last observation: 2008-09-30). Retrieved 19 May 2009.
[edit]
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