2012 XN55

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4539458859 ± 5.83e-07
Semi-major axis (a)0.7485892789 AU ± 1.93e-09
Inclination (i)29.07900312° ± 7.31e-05
Long. of Asc. Node (Ω)256.27878745° ± 2.68e-06
Arg. of Perihelion (ω)15.00126153° ± 1.24e-04
Mean Anomaly (M)144.74134980° ± 2.89e-04
Mean Motion (n)1.5217624786°/day ± 5.88e-09
Perihelion dist (q)0.40877026 AU ± 4.36e-07
Aphelion dist (Q)1.08840830 AU ± 4.36e-07
Orbital Period0.64768733 yr ± 2.50e-09
Physical Parameters
H (abs. magnitude)23.87
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.334″
Uncertainty0
Orbit TypeAten
MOID0.064694 AU
Observations Used67
Oppositions6
Arc Total2012-2023
First Observation Used2012-12-08
Last Observation Used2023-12-09
Observations (68)
Date Type RA Dec Mag Band Observatory
2012-12-08 08:30:51 C 05 07 26.40 +20 54 07.3 r 703
2012-12-08 08:39:54 C 05 07 18.69 +20 52 12.1 r 703
2012-12-08 09:07:08 C 05 06 55.51 +20 46 26.7 r 703
2012-12-08 09:53:47 C 05 06 16.20 +20 36 37.4 r 703
2012-12-08 09:54:58 C 05 06 15.16 +20 36 22.5 c 854
2012-12-08 09:55:03 C 05 06 15.08 +20 36 21.5 r 703
2012-12-08 09:57:40 C 05 06 12.81 +20 35 49.7 r 703
2012-12-08 10:01:58 C 05 06 09.34 +20 34 53.8 c 854
2012-12-08 10:51:12 C 05 05 28.28 +20 24 32.1 o 291
2012-12-08 10:52:28 C 05 05 27.23 +20 24 16.2 o 291
2012-12-08 10:53:43 C 05 05 26.19 +20 24 00.3 o 291
2012-12-08 15:56:22 C 05 01 27.94 +19 21 12.0 u 900
2012-12-08 16:05:25 C 05 01 20.61 +19 19 19.8 u 900
2012-12-08 21:17:45 C 04 57 24.00 +18 14 41.7 u J95
2012-12-08 21:28:59 C 04 57 15.23 +18 12 23.9 u J95
2012-12-08 22:54:31 C 04 56 07.77 +17 55 15.4 c A24
2012-12-08 23:04:35 C 04 55 59.85 +17 53 12.4 c A24
2012-12-08 23:11:03 C 04 55 54.81 +17 51 55.0 c A24
2012-12-08 23:50:20 C 04 55 24.27 +17 43 55.6 u 203
2012-12-09 00:11:39 C 04 55 07.79 +17 39 36.4 t 204
2012-12-09 00:18:19 C 04 55 02.59 +17 38 15.8 u 203
2012-12-09 00:23:06 C 04 54 58.95 +17 37 17.1 t 204
2012-12-09 00:34:33 C 04 54 50.10 +17 34 57.8 t 204
2012-12-09 03:44:13 C 04 52 32.79 +16 59 09.8 u 807
2012-12-09 03:50:46 C 04 52 27.76 +16 57 50.8 u 807
2012-12-09 03:54:02 C 04 52 25.28 +16 57 11.7 u 807
2012-12-09 03:57:19 C 04 52 22.78 +16 56 32.5 u 807
2012-12-09 04:00:35 C 04 52 20.28 +16 55 53.4 u 807
2012-12-10 00:46:01 C 04 37 59.96 +12 53 08.5 u J95
2012-12-10 00:50:40 C 04 37 56.87 +12 52 16.5 u J95
2012-12-10 00:56:36 C 04 37 52.94 +12 51 10.5 u J95
2012-12-10 03:19:14 C 04 36 24.39 +12 27 14.1 u 807
2012-12-10 03:22:33 C 04 36 22.19 +12 26 37.8 u 807
2012-12-10 03:25:51 C 04 36 19.98 +12 26 01.4 u 807
2012-12-10 03:29:10 C 04 36 17.79 +12 25 24.9 u 807
2012-12-10 03:32:29 C 04 36 15.59 +12 24 48.4 u 807
2012-12-10 04:16:23 C 04 35 50.39 +12 14 52.5 o G48
2012-12-10 04:17:54 C 04 35 49.40 +12 14 37.3 o G48
2012-12-10 04:21:15 C 04 35 47.24 +12 14 00.8 o G48
2012-12-10 15:02:55 C 04 29 08.97 +10 21 19.5 u D90
2012-12-10 15:10:57 C 04 29 04.01 +10 19 56.2 u D90
2012-12-10 15:18:59 C 04 28 58.93 +10 18 30.0 u D90
2012-12-12 00:42:25 C 04 11 11.19 +04 56 30.7 u 807
2012-12-12 00:46:30 C 04 11 09.14 +04 55 54.7 u 807
2012-12-12 00:50:55 C 04 11 06.91 +04 55 15.9 u 807
2012-12-12 00:54:41 C 04 11 05.02 +04 54 43.0 u 807
2012-12-13 01:52:43 C 03 59 50.49 +01 28 56.3 u 807
2012-12-13 01:56:02 C 03 59 49.03 +01 28 30.9 u 807
2012-12-13 01:59:22 C 03 59 47.59 +01 28 05.4 u 807
2012-12-13 02:02:42 C 03 59 46.12 +01 27 39.8 u 807