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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 April 2022, it contains a total of 48 bodies.[1][2][3] For more information see the description on the main page. Also see list for the previous and next year.

2009

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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) 169 res · 4:13 65.6 0.43 18 37.4 93.7 — MPC · JPL
2009 DK143 18 February 2009 Mauna Kea Obs. (568) 54 cubewano? 43.5 0.17 10 36.0 51.1 — MPC · JPL
2009 DL143 18 February 2009 Mauna Kea Obs. (568) 109 res · 5:9 43.4 0.05 11 41.3 45.4 — MPC · JPL
2009 DM143 18 February 2009 Mauna Kea Obs. (568) 50 SDO 54.3 0.34 16 35.9 72.8 — MPC · JPL
2009 DN143 18 February 2009 Mauna Kea Obs. (568) 82 plutino 39.2 0.20 11 31.6 46.9 — MPC · JPL
2009 DO143 18 February 2009 Mauna Kea Obs. (568) 89 cubewano (hot) 44.1 0.12 12 38.7 49.5 — MPC · JPL
2009 DP143 18 February 2009 Mauna Kea Obs. (568) 87 other TNO 43.8 0.12 16 38.7 48.8 — MPC · JPL
2009 DQ143 18 February 2009 Mauna Kea Obs. (568) 105 other TNO 44.3 0.27 11 32.5 56.2 — MPC · JPL
2009 DR143 18 February 2009 Mauna Kea Obs. (568) 159 cubewano (hot) 46.7 0.16 10 39.2 54.2 — MPC · JPL
2009 DS143 18 February 2009 Mauna Kea Obs. (568) 79 SDO 49.0 0.24 11 37.3 60.7 — MPC · JPL
2009 DT143 22 February 2009 Mauna Kea Obs. (568) 46 other TNO 38.3 0.12 30 33.5 43.0 — MPC · JPL
2009 JA19 14 May 2009 Mauna Kea Obs. (568) 125 twotino? 47.7 0.36 16 30.4 64.9 — MPC · JPL
2009 JB19 14 May 2009 Mauna Kea Obs. (568) 120 other TNO 46.5 0.16 19 39.0 54.1 — MPC · JPL
2009 JC19 15 May 2009 Mauna Kea Obs. (568) 119 SDO 50.8 0.32 31 34.5 67.0 — MPC · JPL
2009 JD19 15 May 2009 Mauna Kea Obs. (568) 130 plutino? 39.7 0.10 21 35.5 43.9 — MPC · JPL
2009 JE19 15 May 2009 Mauna Kea Obs. (568) 188 plutino 39.4 0.30 22 27.5 51.3 — MPC · JPL
2009 JF19 15 May 2009 Mauna Kea Obs. (568) 87 other TNO 44.0 0.30 16 30.8 57.2 — MPC · JPL
2009 JT18 14 May 2009 Mauna Kea Obs. (568) 79 other TNO 44.0 0.27 19 32.2 55.8 — MPC · JPL
2009 JU18 14 May 2009 Mauna Kea Obs. (568) 75 SDO 56.4 0.32 27 38.3 74.5 — MPC · JPL
2009 JV18 14 May 2009 Mauna Kea Obs. (568) 112 cubewano (hot) 45.0 0.15 14 38.2 51.8 — MPC · JPL
2009 JW18 14 May 2009 Mauna Kea Obs. (568) 83 other TNO 46.1 0.11 18 41.0 51.1 — MPC · JPL
2009 JX18 14 May 2009 Mauna Kea Obs. (568) 61 centaur 37.6 0.46 20 20.2 55.0 — MPC · JPL
2009 JY18 14 May 2009 Mauna Kea Obs. (568) 72 SDO 54.3 0.45 22 30.1 78.6 — MPC · JPL
2009 JZ18 14 May 2009 Mauna Kea Obs. (568) 131 plutino 39.2 0.24 24 29.6 48.8 — MPC · JPL
2009 KA37 27 May 2009 Mauna Kea Obs. (568) 72 SDO 53.7 0.37 15 33.9 73.4 — MPC · JPL
2009 KJ30 25 May 2009 Mauna Kea Obs. (568) 91 other TNO 46.6 0.19 31 37.8 55.4 — MPC · JPL
2009 KK30 25 May 2009 M. Yagi (568) 143 SDO 60.1 0.37 14 37.9 82.3 — MPC · JPL
2009 KL30 25 May 2009 M. Yagi (568) 132 other TNO 45.8 0.20 23 36.8 54.7 — MPC · JPL
2009 KM30 25 May 2009 Mauna Kea Obs. (568) 66 other TNO 41.7 0.01 4 41.4 42.0 — MPC · JPL
2009 KN30 25 May 2009 M. Yagi (568) 95 res · 2:7 69.9 0.56 5 30.5 109 — MPC · JPL
2009 KO30 25 May 2009 M. Yagi (568) 98 cubewano (hot) 44.4 0.07 9 41.2 47.6 — MPC · JPL
2009 KT36 20 May 2009 Mauna Kea Obs. (568) 97 centaur 43.4 0.37 30 27.5 59.4 — MPC · JPL
2009 KU36 20 May 2009 Mauna Kea Obs. (568) 60 other TNO 43.0 0.16 20 35.9 50.1 — MPC · JPL
2009 KV36 25 May 2009 Mauna Kea Obs. (568) 95 other TNO 42.9 0.04 16 41.3 44.5 — MPC · JPL
2009 KW36 27 May 2009 Mauna Kea Obs. (568) 76 other TNO 45.0 0.15 30 38.1 51.9 — MPC · JPL
2009 KX36 27 May 2009 Mauna Kea Obs. (568) 95 SDO 67.8 0.34 19 44.7 90.9 — MPC · JPL
2009 KY36 27 May 2009 Mauna Kea Obs. (568) 84 centaur 51.2 0.46 25 27.7 74.8 — MPC · JPL
2009 KZ36 27 May 2009 Mauna Kea Obs. (568) 48 centaur 48.4 0.59 17 20.0 76.8 — MPC · JPL
2009 MA10 21 June 2009 Mauna Kea Obs. (568) 45 cubewano? 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)		 335 centaur 57.9 0.53 26 27.5 88.3 — MPC · JPL
2009 MG10 27 June 2009 C. Trujillo
A. Udalski
S. S. Sheppard
I. Soszynski (807)		 144 twotino 48.4 0.36 20 31.1 65.6 — MPC · JPL
2009 UF156 18 October 2009 Mauna Kea Obs. (568) 167 cubewano (cold) 43.0 0.02 1 42.2 43.9 — MPC · JPL
2009 XM26 8 December 2009 Pan-STARRS (F51) 146 centaur 43.2 0.42 22 25.1 61.3 — MPC · JPL
2009 YG19 25 December 2009 D. L. Rabinowitz (809) 208 res · 2:5 55.8 0.41 5 32.9 78.7 BR-mag: 1.62 MPC · JPL
2009 YK32 25 December 2009 Pan-STARRS (F51) 203 cubewano (cold) 43.8 0.03 4 42.7 45.0 — MPC · JPL
2009 YR26 17 December 2009 Pan-STARRS (F51) 263 other TNO 41.2 0.05 19 39.1 43.3 — MPC · JPL
2009 YS26 17 December 2009 Pan-STARRS (F51) 237 cubewano (hot) 36.4 0.03 7 35.5 37.4 — MPC · JPL
2009 YT26 26 December 2009 Pan-STARRS (F51) 226 plutino 39.2 0.17 10 32.4 46.0 — MPC · JPL

References

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  1. ^ a b "List Of Transneptunian Objects". Minor Planet Center. 16 April 2022. Retrieved 16 April 2022.
  2. ^ a b "List Of Centaurs and Scattered-Disk Objects". Minor Planet Center. 16 April 2022. Retrieved 16 April 2022.
  3. ^ a b "List of Known Trans-Neptunian Objects". Johnston's Archive. 2 January 2022. Retrieved 16 April 2022.

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