2012 XH55

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7075803126 ± 3.40e-08
Semi-major axis (a)1.9721630820 AU ± 5.48e-09
Inclination (i)28.45943455° ± 6.50e-06
Long. of Asc. Node (Ω)107.47401820° ± 7.35e-06
Arg. of Perihelion (ω)77.86778709° ± 8.78e-06
Mean Anomaly (M)213.16154007° ± 7.05e-06
Mean Motion (n)0.3558754580°/day ± 1.48e-09
Perihelion dist (q)0.57669931 AU ± 6.71e-08
Aphelion dist (Q)3.36762685 AU ± 6.78e-08
Orbital Period2.76958206 yr ± 1.16e-08
Physical Parameters
H (abs. magnitude)19.02
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.136″
Uncertainty0
Orbit TypeApollo
MOID0.068617 AU
Observations Used117
Oppositions8
Arc Total2012-2024
First Observation Used2012-12-07
Last Observation Used2024-06-30
Observations (136)
Date Type RA Dec Mag Band Observatory
2010-07-15 20:44:23 S 14 10 32.366 +04 31 48.43 L C51
2010-07-15 20:44:34 S 14 10 32.405 +04 31 46.20 L C51
2010-07-15 22:19:44 S 14 11 18.031 +04 17 42.18 L C51
2010-07-15 23:54:54 S 14 12 03.473 +04 03 39.35 L C51
2010-07-16 01:30:04 S 14 12 48.782 +03 49 39.94 L C51
2012-12-07 09:37:52 C 04 46 59.122 -25 57 43.08 L F51
2012-12-07 09:55:22 C 04 46 56.702 -25 57 49.87 L F51
2012-12-07 10:13:12 C 04 46 54.220 -25 57 56.66 L F51
2012-12-07 10:29:52 C 04 46 51.926 -25 58 02.86 L F51
2012-12-08 00:36:08 C 04 44 58.34 -26 02 57.3 u 807
2012-12-08 00:41:17 C 04 44 57.63 -26 02 58.9 u 807
2012-12-08 00:46:25 C 04 44 56.91 -26 03 00.9 u 807
2012-12-08 00:51:46 C 04 44 56.16 -26 03 02.9 u 807
2012-12-08 00:56:42 C 04 44 55.47 -26 03 04.7 u 807
2012-12-08 02:41:03 C 04 44 40.81 -26 03 43.0 t W85
2012-12-08 02:42:22 C 04 44 40.62 -26 03 43.5 t W85
2012-12-08 02:43:41 C 04 44 40.45 -26 03 43.9 t W85
2012-12-08 02:45:00 C 04 44 40.26 -26 03 44.4 t W85
2012-12-08 02:46:19 C 04 44 40.07 -26 03 44.9 t W85
2012-12-08 02:47:38 C 04 44 39.87 -26 03 45.5 t W85
2012-12-08 02:48:57 C 04 44 39.69 -26 03 45.9 t W85
2012-12-08 02:50:16 C 04 44 39.53 -26 03 46.2 t W85
2012-12-08 02:51:35 C 04 44 39.32 -26 03 46.8 t W85
2012-12-08 02:52:54 C 04 44 39.15 -26 03 47.3 t W85
2012-12-08 02:54:12 C 04 44 38.95 -26 03 47.7 t W85
2012-12-08 02:55:31 C 04 44 38.78 -26 03 48.1 t W85
2012-12-08 02:56:50 C 04 44 38.59 -26 03 48.6 t W85
2012-12-08 06:42:55 C 04 44 07.21 -26 05 22.4 c 854
2012-12-08 06:52:01 C 04 44 05.85 -26 05 24.9 c 854
2012-12-08 07:01:07 C 04 44 04.54 -26 05 27.8 c 854
2012-12-09 00:41:26 C 04 41 36.91 -26 11 01.3 u 807
2012-12-09 00:45:50 C 04 41 36.27 -26 11 02.6 u 807
2012-12-09 00:50:17 C 04 41 35.63 -26 11 04.2 u 807
2012-12-09 00:54:52 C 04 41 34.96 -26 11 05.8 u 807
2012-12-09 00:59:06 C 04 41 34.35 -26 11 07.3 u 807
2012-12-09 11:58:20 C 04 39 59.21 -26 14 26.6 o 474
2012-12-09 12:01:42 C 04 39 58.70 -26 14 27.6 o 474
2012-12-09 12:04:45 C 04 39 58.29 -26 14 28.4 o 474
2012-12-09 12:07:48 C 04 39 57.85 -26 14 29.4 o 474
2012-12-10 00:46:09 C 04 38 08.09 -26 18 07.0 u 807
2012-12-10 00:51:19 C 04 38 07.32 -26 18 08.6 u 807
2012-12-10 00:56:39 C 04 38 06.52 -26 18 10.2 u 807
2012-12-10 01:01:35 C 04 38 05.78 -26 18 11.5 u 807
2012-12-10 12:39:00 C 04 36 21.37 -26 21 12.7 o 474
2012-12-10 12:42:03 C 04 36 20.91 -26 21 13.6 o 474
2012-12-10 12:45:06 C 04 36 20.45 -26 21 14.2 o 474
2012-12-10 12:48:08 C 04 36 19.99 -26 21 14.9 o 474
2012-12-11 02:18:30 C 04 34 18.10 -26 24 32.2 u 807
2012-12-11 02:21:51 C 04 34 17.58 -26 24 33.0 u 807
2012-12-11 02:25:09 C 04 34 17.06 -26 24 33.8 u 807