The following is a partial list of unnumbered trans-Neptunian objects for principal designations assigned within 2005. , it contains a total of 67 bodies. For more information see the description on the main page. Also see list for the previous and next year.

2005

Designation First Observed (discovered) D (km) Orbital description Remarks Refs Date Observer(Site) Class a e i q Q 16 January 2005 B. Gladman () 194 cubewano (hot) 43.9 0.05 8 41.7 46.0 albedo: 0.079 16 January 2005 B. Gladman () 165 cubewano (cold) 44.3 0.08 2 40.7 47.8 binary: 96 km; albedo: 0.152 10 February 2005 Canada-France Ecliptic Plane Survey () 200 plutino 39.3 0.15 21 33.5 45.2 albedo: 0.074 10 February 2005 B. Gladman () 113 cubewano (cold) 42.8 0.05 3 40.7 45.0 binary: 78 km; albedo: 0.152 10 February 2005 Canada-France Ecliptic Plane Survey () 78 res3:4 36.5 0.07 0 34.1 39.0 albedo: 0.126 9 March 2005 M. W. Buie () 152 cubewano (cold) 45.0 0.15 5 38.4 51.5 albedo: 0.152 11 March 2005 M. W. Buie () 184 cubewano (cold) 43.8 0.04 3 42.2 45.3 albedo: 0.152 11 March 2005 Kitt Peak () 124 cubewano (cold)? 43.9 0.08 2 40.4 47.5 albedo: 0.152 9 March 2005 M. W. Buie () 156 cubewano (cold) 44.3 0.07 3 41.4 47.2 albedo: 0.152 11 March 2005 M. W. Buie () 131 SDO 85.9 0.55 19 38.5 133.2 albedo: 0.124 11 March 2005 Kitt Peak () 248 cubewano (hot)? 44.1 0.09 8 40.1 48.0 albedo: 0.079 11 March 2005 Kitt Peak () 119 cubewano (hot)? 43.1 0.00 22 43.1 43.1 albedo: 0.079 11 March 2005 Kitt Peak () 154 plutino? 39.6 0.13 40 34.4 44.7 albedo: 0.074 11 March 2005 M. W. Buie () 143 cubewano (hot) 43.4 0.02 6 42.7 44.1 albedo: 0.079 9 March 2005 Kitt Peak () 171 cubewano (cold)? 45.1 0.09 1 41.2 49.1 albedo: 0.152 9 March 2005 Kitt Peak () 124 cubewano (cold)? 46.8 0.00 3 46.8 46.8 albedo: 0.152 8 March 2005 H. G. Roe, M. E. Brown, K. M. Barkume () 183 cubewano (cold) 44.6 0.07 1 41.4 47.7 albedo: 0.152 8 March 2005 H. G. Roe, M. E. Brown, K. M. Barkume () 187 plutino 39.5 0.23 7 30.6 48.4 albedo: 0.074 10 April 2005 M. W. Buie () 154 plutino 39.2 0.22 19 30.8 47.6 albedo: 0.074 10 April 2005 M. W. Buie () 124 cubewano (cold) 43.9 0.12 2 38.5 49.3 albedo: 0.152 12 April 2005 M. W. Buie () 117 cubewano (cold) 43.1 0.02 1 42.3 43.9 binary: 75 km; albedo: 0.152 12 April 2005 M. W. Buie () 116 plutino 39.2 0.25 4 29.4 49.1 albedo: 0.074 5 April 2005 Canada-France Ecliptic Plane Survey () 78 res3:4? 36.8 0.19 17 29.8 43.7 albedo: 0.126 12 April 2005 M. W. Buie () 214 plutino 39.2 0.17 12 32.4 46.0 albedo: 0.074 10 April 2005 M. W. Buie () 263 cubewano (cold)? 39.6 0.10 3 35.5 43.7 albedo: 0.152 12 April 2005 Kitt Peak () 154 plutino? 39.7 0.27 25 28.9 50.4 albedo: 0.074 10 April 2005 M. W. Buie () 119 cubewano (cold) 43.9 0.02 4 43.2 44.7 albedo: 0.152 11 April 2005 Palomar Mountain () 141 plutino? 39.7 0.12 20 34.8 44.6 albedo: 0.074 10 April 2005 Kitt Peak () 188 cubewano (hot)? 43.8 0.13 8 38.2 49.5 albedo: 0.079 13 April 2005 Palomar Mountain () 172 cubewano (hot)? 44.7 0.11 27 39.7 49.7 albedo: 0.079 14 May 2005 P. A. Wiegert, A. Papadimos () 162 cubewano (cold)? 48.1 0.09 4 43.6 52.6 albedo: 0.152 14 May 2005 P. A. Wiegert, A. Papadimos () 136 cubewano (hot)? 41.3 0.10 20 37.1 45.5 albedo: 0.079 11 May 2005 M. W. Buie () 136 cubewano (cold) 44.3 0.09 3 40.2 48.5 albedo: 0.152 12 May 2005 B. Gladman () 163 cubewano (cold) 44.4 0.09 4 40.4 48.4 albedo: 0.152 12 May 2005 Canada-France Ecliptic Plane Survey () 176 other TNO 47.0 0.24 27 35.7 58.4 albedo: 0.13 10 May 2005 Cerro Tololo Observatory, La Serena () 156 cubewano (cold)? 43.6 0.05 2 41.5 45.7 albedo: 0.152 11 May 2005 Cerro Tololo Observatory, La Serena () 187 cubewano (cold)? 42.6 0.03 3 41.3 44.0 albedo: 0.152 12 May 2005 Spacewatch () 10 unusual 44.2 0.92 19 3.7 84.8 albedo: 0.051 12 May 2005 P. A. Wiegert, A. Papadimos () 149 cubewano (cold) 43.9 0.07 2 40.8 47.0 albedo: 0.152 9 May 2005 M. W. Buie () 216 cubewano (hot) 42.4 0.07 7 39.4 45.4 albedo: 0.079 10 June 2005 B. Gladman () 237 cubewano (hot) 44.1 0.06 8 41.3 46.9 albedo: 0.079 10 June 2005 B. Gladman () 247 cubewano (cold) 43.5 0.04 3 41.6 45.3 albedo: 0.152 10 June 2005 Canada-France Ecliptic Plane Survey () 173 SDO 66.9 0.46 23 36.2 97.6 albedo: 0.124 7 July 2005 P. A. Wiegert, A. M. Gilbert () 187 SDO 80.7 0.51 37 39.8 121.6 albedo: 0.124 16 July 2005 CSS () 11 damocloid 62.9 0.95 68 3.1 122.8 albedo: 0.048 2 August 2005 Maunakea () 68 cubewano (cold)? 44.1 0.01 1 43.5 44.6 albedo: 0.152 2 August 2005 Maunakea () 38 cubewano (hot)? 43.8 0.04 21 42.0 45.6 albedo: 0.079 2 August 2005 Maunakea () 39 cubewano (cold)? 44.9 0.08 1 41.1 48.7 albedo: 0.152 2 August 2005 Maunakea () 47 cubewano (cold)? 45.9 0.18 2 37.5 54.2 albedo: 0.152 2 August 2005 Maunakea () 52 cubewano (cold)? 44.1 0.06 4 41.6 46.6 albedo: 0.152 8 August 2005 Cerro Tololo Observatory, La Serena () 177 cubewano (hot) 44.1 0.12 5 38.9 49.3 albedo: 0.079 8 August 2005 Cerro Tololo Observatory, La Serena () 153 cubewano (cold) 46.5 0.15 5 39.7 53.3 albedo: 0.152 8 August 2005 Cerro Tololo Observatory, La Serena () 226 cubewano (hot)? 43.7 0.14 29 37.8 49.6 albedo: 0.079 8 August 2005 Cerro Tololo Observatory, La Serena () 187 cubewano (cold)? 45.7 0.00 3 45.7 45.7 albedo: 0.152 8 August 2005 Cerro Tololo Observatory, La Serena () 142 cubewano (cold)? 43.3 0.00 3 43.3 43.3 albedo: 0.152 8 August 2005 Cerro Tololo Observatory, La Serena () 171 cubewano (cold)? 45.5 0.09 2 41.5 49.5 albedo: 0.152 9 August 2005 Cerro Tololo Observatory, La Serena () 152 cubewano (cold) 44.6 0.08 3 40.8 48.3 albedo: 0.152 9 August 2005 Cerro Tololo Observatory, La Serena () 138 SDO 74.7 0.52 8 36.0 113.4 albedo: 0.124 3 September 2005 Canada-France Ecliptic Plane Survey () 123 SDO 155.4 0.75 21 39.1 271.7 albedo: 0.124 7 October 2005 Las Campanas Observatory () 87 nep trj 30.3 0.07 25 28.2 32.5 albedo: 0.058; BRmag: 1.30 11 October 2005 Apache Point () — — 39.4 0.28 13 28.3 50.5 — 3 October 2005 Palomar Mountain () 146 plutino 39.7 0.19 34 32.0 47.4 possible binary; albedo: 0.074 2 November 2005 Kitt Peak () 169 plutino 39.8 0.25 2 29.8 49.8 albedo: 0.074 1 November 2005 Mt. Lemmon Survey () 9 damocloid 975.7 1.00 113 4.1 1947.4 albedo: 0.048 2 November 2005 Kitt Peak () 165 cubewano (hot)? 41.6 0.18 12 34.0 49.3 binary: 61 km; albedo: 0.079 24 December 2005 Maunakea () 94 cubewano (hot)? 44.7 0.15 5 38.0 51.4 albedo: 0.079 24 December 2005 Maunakea () 157 cubewano (hot)? 46.0 0.02 28 45.0 47.0 albedo: 0.079

References