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List of unnumbered trans-Neptunian objects: 2009

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The following is a partial list of unnumbered trans-Neptunian objects for principal designations assigned within 2009. As of June 2020, it contains a total of 47 bodies.[1][2][3] For more information see the description on the main page. Also see list for the previous and next year.

2009

Main article: List of unnumbered trans-Neptunian objects
Designation First Observed (discovered) D (km) Orbital description Remarks Refs
Date Observer
(Site) 		Class a
(AU) 		e i
(°) 		q
(AU) 		Q
(AU)
2009 DJ143 18 February 2009 Mauna Kea Obs. (568) 202 res · 4:13 66.2 0.43 18 37.4 95.1 — MPC · JPL
2009 DK143 18 February 2009 Mauna Kea Obs. (568) 70 cubewano (hot) 43.5 0.17 10 36.0 51.1 — MPC · JPL
2009 DL143 18 February 2009 Mauna Kea Obs. (568) 134 res · 5:9 43.7 0.04 11 41.8 45.6 — MPC · JPL
2009 DM143 18 February 2009 Mauna Kea Obs. (568) 58 SDO 54.3 0.34 16 35.9 72.8 — MPC · JPL
2009 DN143 18 February 2009 Mauna Kea Obs. (568) 77 plutino 39.6 0.20 11 31.6 47.6 — MPC · JPL
2009 DO143 18 February 2009 Mauna Kea Obs. (568) 77 cubewano (hot) 44.1 0.12 12 38.7 49.5 — MPC · JPL
2009 DP143 18 February 2009 Mauna Kea Obs. (568) 93 cubewano (hot) 43.8 0.12 16 38.7 48.8 — MPC · JPL
2009 DQ143 18 February 2009 Mauna Kea Obs. (568) 111 other TNO 44.3 0.27 11 32.5 56.2 — MPC · JPL
2009 DR143 18 February 2009 Mauna Kea Obs. (568) 134 cubewano (hot) 47.1 0.16 10 39.4 54.8 — MPC · JPL
2009 DS143 18 February 2009 Mauna Kea Obs. (568) 93 other TNO 49.5 0.25 11 37.3 61.7 — MPC · JPL
2009 DT143 22 February 2009 Mauna Kea Obs. (568) 49 other TNO 38.3 0.12 30 33.5 43.0 — MPC · JPL
2009 JA19 14 May 2009 Mauna Kea Obs. (568) 154 twotino? 47.7 0.36 16 30.4 64.9 — MPC · JPL
2009 JB19 14 May 2009 Mauna Kea Obs. (568) 128 cubewano (hot) 46.5 0.16 19 39.0 54.1 — MPC · JPL
2009 JC19 15 May 2009 Mauna Kea Obs. (568) 140 other TNO 50.8 0.32 31 34.5 67.0 — MPC · JPL
2009 JD19 15 May 2009 Mauna Kea Obs. (568) 122 plutino? 39.7 0.10 21 35.5 43.9 — MPC · JPL
2009 JE19 15 May 2009 Mauna Kea Obs. (568) 168 centaur 43.5 0.44 22 24.4 62.6 — MPC · JPL
2009 JF19 15 May 2009 Mauna Kea Obs. (568) 93 other TNO 44.0 0.30 16 30.8 57.2 — MPC · JPL
2009 JT18 14 May 2009 Mauna Kea Obs. (568) 84 other TNO 44.0 0.27 19 32.2 55.8 — MPC · JPL
2009 JU18 14 May 2009 Mauna Kea Obs. (568) 88 SDO 56.4 0.32 27 38.3 74.5 — MPC · JPL
2009 JV18 14 May 2009 Mauna Kea Obs. (568) 97 cubewano (hot) 45.0 0.15 14 38.2 51.8 — MPC · JPL
2009 JW18 14 May 2009 Mauna Kea Obs. (568) 88 cubewano (hot) 46.1 0.11 18 41.0 51.1 — MPC · JPL
2009 JX18 14 May 2009 Mauna Kea Obs. (568) 49 centaur? 37.6 0.46 20 20.2 55.0 — MPC · JPL
2009 JY18 14 May 2009 Mauna Kea Obs. (568) 84 SDO 54.3 0.45 22 30.1 78.6 — MPC · JPL
2009 JZ18 14 May 2009 Mauna Kea Obs. (568) 128 plutino 39.4 0.25 24 29.6 49.2 — MPC · JPL
2009 KA37 27 May 2009 Mauna Kea Obs. (568) 84 SDO 53.7 0.37 15 33.9 73.4 — MPC · JPL
2009 KJ30 25 May 2009 M. Yagi (568) 97 cubewano (hot) 46.6 0.19 31 37.8 55.4 — MPC · JPL
2009 KK30 25 May 2009 M. Yagi (568) 168 SDO 60.6 0.37 14 38.0 83.3 — MPC · JPL
2009 KL30 25 May 2009 M. Yagi (568) 140 cubewano (hot) 45.9 0.19 23 37.2 54.7 — MPC · JPL
2009 KM30 25 May 2009 M. Yagi (568) 70 cubewano (cold) 41.7 0.01 4 41.4 42.0 — MPC · JPL
2009 KN30 25 May 2009 M. Yagi (568) 117 res · 2:7 70.8 0.57 5 30.5 111 — MPC · JPL
2009 KO30 25 May 2009 M. Yagi (568) 84 cubewano (hot) 44.6 0.07 9 41.7 47.5 — MPC · JPL
2009 KT36 20 May 2009 Mauna Kea Obs. (568) 77 centaur 43.4 0.37 30 27.5 59.4 — MPC · JPL
2009 KU36 20 May 2009 Mauna Kea Obs. (568) 64 cubewano (hot) 43.0 0.16 20 35.9 50.1 — MPC · JPL
2009 KV36 25 May 2009 Mauna Kea Obs. (568) 101 cubewano (hot) 42.9 0.04 16 41.3 44.5 — MPC · JPL
2009 KW36 27 May 2009 Mauna Kea Obs. (568) 81 cubewano (hot) 45.0 0.15 30 38.1 51.9 — MPC · JPL
2009 KX36 27 May 2009 Mauna Kea Obs. (568) 111 SDO 67.8 0.34 19 44.7 90.9 — MPC · JPL
2009 KY36 27 May 2009 Mauna Kea Obs. (568) 67 centaur? 51.2 0.46 25 27.7 74.8 — MPC · JPL
2009 KZ36 27 May 2009 Mauna Kea Obs. (568) 39 centaur 48.4 0.59 17 20.0 76.8 — MPC · JPL
2009 MA10 21 June 2009 S. S. Sheppard
C. Trujillo (568)		 58 cubewano (cold) 44.4 0.05 2 42.1 46.7 — MPC · JPL
2009 MF10 27 June 2009 S. S. Sheppard
A. Udalski
C. Trujillo
K. Ulaczyk (807)		 267 centaur 58.1 0.53 26 27.4 88.8 — MPC · JPL
2009 MG10 27 June 2009 C. Trujillo
A. Udalski
S. S. Sheppard
I. Soszynski (807)		 176 other TNO 47.5 0.34 20 31.4 63.5 — MPC · JPL
2009 UF156 18 October 2009 Mauna Kea Obs. (568) 222 cubewano (cold) 42.7 0.02 1 42.0 43.4 — MPC · JPL
2009 XM26 8 December 2009 Pan-STARRS (F51) 117 centaur 43.1 0.42 22 25.2 61.0 — MPC · JPL
2009 YG19 25 December 2009 D. L. Rabinowitz (809) 255 res · 2:5 55.2 0.40 5 32.9 77.5 BR-mag: 1.62 MPC · JPL
2009 YR26 17 December 2009 Pan-STARRS (F51) 267 cubewano (hot) 41.1 0.05 19 39.2 43.1 — MPC · JPL
2009 YS26 17 December 2009 Pan-STARRS (F51) 202 other TNO 36.4 0.02 7 35.6 37.2 — MPC · JPL
2009 YT26 26 December 2009 Pan-STARRS (F51) 202 plutino 39.1 0.17 10 32.4 45.9 — MPC · JPL

References

  1. ^ a b "List Of Transneptunian Objects". Minor Planet Center. 23 June 2020. Retrieved 24 June 2020.
  2. ^ a b "List Of Centaurs and Scattered-Disk Objects". Minor Planet Center. 23 June 2020. Retrieved 24 June 2020.
  3. ^ a b "List of Known Trans-Neptunian Objects". Johnston's Archive. 27 December 2019. Retrieved 24 June 2020.

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