2011 UP91

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4825467922 ± 8.90e-08
Semi-major axis (a)2.0524904237 AU ± 2.15e-08
Inclination (i)6.99877788° ± 9.46e-06
Long. of Asc. Node (Ω)30.27232046° ± 3.21e-05
Arg. of Perihelion (ω)62.30200024° ± 5.79e-05
Mean Anomaly (M)257.95608360° ± 1.81e-05
Mean Motion (n)0.3351896245°/day ± 5.26e-09
Perihelion dist (q)1.06206775 AU ± 1.83e-07
Aphelion dist (Q)3.04291309 AU ± 1.85e-07
Orbital Period2.94050356 yr ± 4.61e-08
Physical Parameters
H (abs. magnitude)21.90
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.397″
Uncertainty0
Orbit TypeAmor
MOID0.127691 AU
Observations Used69
Oppositions2
Arc Total2011-2014
First Observation Used2011-10-22
Last Observation Used2014-11-26
Observations (70)
Date Type RA Dec Mag Band Observatory
2011-10-22 05:29:57 C 00 42 22.06 +01 03 51.5 r G96
2011-10-22 05:40:54 C 00 42 21.16 +01 03 54.7 r G96
2011-10-22 05:51:50 C 00 42 20.34 +01 03 58.2 r G96
2011-10-22 06:02:38 C 00 42 19.44 +01 04 01.8 r G96
2011-10-22 07:35:05 C 00 42 12.19 +01 04 30.8 o 291
2011-10-22 07:38:06 C 00 42 11.95 +01 04 31.9 o 291
2011-10-22 07:41:08 C 00 42 11.76 +01 04 32.7 o 291
2011-10-22 07:47:39 C 00 42 11.13 +01 04 34.4 o H01
2011-10-22 07:59:51 C 00 42 10.19 +01 04 37.9 o H01
2011-10-22 08:06:59 C 00 42 09.61 +01 04 40.4 o H01
2011-10-22 08:20:51 C 00 42 08.55 +01 04 44.9 o H01
2011-10-23 03:29:17 C 00 40 46.40 +01 10 55.9 o 291
2011-10-23 03:32:18 C 00 40 46.15 +01 10 56.1 o 291
2011-10-23 03:35:24 C 00 40 45.93 +01 10 57.2 o 291
2011-10-23 04:38:34 C 00 40 40.90 +01 11 17.2 o H01
2011-10-23 04:49:51 C 00 40 40.02 +01 11 20.9 o H01
2011-10-23 05:02:07 C 00 40 39.06 +01 11 25.0 o H01
2011-10-23 05:12:34 C 00 40 38.22 +01 11 28.6 o H01
2011-10-24 03:01:19 C 00 39 02.68 +01 18 51.4 r H21
2011-10-24 03:19:16 C 00 39 01.23 +01 18 58.4 r H21
2011-10-24 03:34:39 C 00 39 00.01 +01 19 02.5 r H21
2011-10-24 04:54:15 C 00 38 54.34 +01 19 33.6 r G96
2011-10-24 05:02:18 C 00 38 53.62 +01 19 36.3 r G96
2011-10-24 05:10:21 C 00 38 53.01 +01 19 39.1 r G96
2011-10-24 05:18:29 C 00 38 52.36 +01 19 41.9 r G96
2011-10-24 12:52:40 C 00 38 18.70 +01 22 48.8 o E10
2011-10-24 13:01:37 C 00 38 17.99 +01 22 52.2 o E10
2011-10-26 00:54:10 C 00 35 41.04 +01 36 13.3 o 807
2011-10-26 01:02:49 C 00 35 40.38 +01 36 17.0 o 807
2011-10-26 01:12:31 C 00 35 39.59 +01 36 20.2 o 807
2011-10-29 00:38:38 C 00 30 27.43 +02 06 21.5 o 807
2011-10-29 00:51:28 C 00 30 26.43 +02 06 27.8 o 807
2011-10-29 01:04:09 C 00 30 25.46 +02 06 33.3 o 807
2011-11-02 03:33:23 C 00 23 29.22 +02 55 20.3 o 291
2011-11-02 03:37:14 C 00 23 28.95 +02 55 21.6 o 291
2011-11-02 03:41:04 C 00 23 28.67 +02 55 23.8 o 291
2011-11-15 06:35:22 C 00 05 33.72 +06 37 09.3 o 291
2011-11-15 06:39:09 C 00 05 33.54 +06 37 12.4 o 291
2011-11-15 06:42:56 C 00 05 33.34 +06 37 16.5 o 291
2011-11-16 04:19:06 C 00 04 40.69 +06 56 09.7 o 291
2011-11-16 04:22:52 C 00 04 40.54 +06 56 13.0 o 291
2011-11-16 04:26:37 C 00 04 40.32 +06 56 15.4 o 291
2011-11-28 03:26:26 C 23 58 04.56 +11 52 09.8 o 291
2011-11-28 03:30:03 C 23 58 04.55 +11 52 13.7 o 291
2011-11-28 03:33:37 C 23 58 04.48 +11 52 18.4 o 291
2011-12-24 03:33:52 C 00 22 51.79 +27 28 34.2 o 291
2011-12-24 03:37:12 C 00 22 52.10 +27 28 40.0 o 291
2011-12-24 03:40:33 C 00 22 52.38 +27 28 46.5 o 291
2012-02-20 04:33:01 C 06 37 34.04 +48 55 01.0 u H21
2012-02-20 04:43:33 C 06 37 36.93 +48 54 45.9 u H21