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
2013-01-08 03:33:32 C 02 08 15.92 -17 33 44.3 o 291
2013-01-08 03:34:07 C 02 08 15.79 -17 33 42.8 o 291
2013-01-08 03:34:43 C 02 08 15.59 -17 33 42.0 o 291
2013-01-13 02:36:41 C 01 35 56.07 -13 00 19.3 r 703
2013-01-13 02:45:30 C 01 35 53.66 -12 59 56.9 r 703
2013-01-13 02:54:22 C 01 35 51.10 -12 59 34.9 r 703
2013-01-13 03:03:10 C 01 35 48.58 -12 59 12.6 r 703
2013-01-13 03:11:57 C 01 35 46.24 -12 58 49.0 r 703
2013-01-13 20:08:08 C 01 31 03.98 -12 15 57.4 t J04
2013-01-13 20:09:29 C 01 31 03.61 -12 15 54.0 t J04
2013-01-13 20:10:49 C 01 31 03.21 -12 15 50.5 t J04
2013-01-14 00:50:40 C 01 29 45.31 -12 03 55.3 q H36
2013-01-14 01:05:47 C 01 29 41.10 -12 03 17.8 q H36
2013-01-14 01:18:49 C 01 29 37.37 -12 02 44.2 q H36
2013-01-15 00:46:27 C 01 23 02.73 -11 01 35.7 u H21
2013-01-15 00:52:59 C 01 23 00.86 -11 01 18.2 u H21
2013-01-15 00:59:29 C 01 22 58.98 -11 01 00.5 u H21
2013-01-18 00:51:02 C 01 02 29.85 -07 45 15.7 u H21
2013-01-18 01:01:43 C 01 02 26.69 -07 44 45.8 u H21
2013-01-18 01:06:42 C 01 02 25.24 -07 44 31.5 u H21
2013-01-18 01:11:56 C 01 02 23.69 -07 44 16.9 u H21
2013-06-13 09:11:25 C 23 31 30.11 -18 34 25.3 u 807
2013-06-13 09:22:56 C 23 31 30.38 -18 34 34.5 u 807
2013-06-13 09:34:09 C 23 31 30.62 -18 34 43.4 u 807
2021-08-05 18:00:49 C 13 23 39.89 +02 17 12.3 V L81
2021-08-05 18:18:00 C 13 23 44.62 +02 16 14.5 V L81
2021-08-06 17:56:29 C 13 30 18.47 +00 56 36.9 V L81
2021-08-06 18:15:43 C 13 30 23.75 +00 55 32.0 V L81
2023-12-07 08:17:38 C 03 27 53.795 -24 42 43.41 X F51
2023-12-07 08:33:13 C 03 27 52.156 -24 42 40.59 X F51
2023-12-07 08:47:59 C 03 27 50.590 -24 42 37.24 X F51
2023-12-07 09:04:40 C 03 27 48.874 -24 42 34.02 X F51
2024-06-30 13:32:08 C 23 08 48.666 -23 53 59.85 X F52
2024-06-30 13:49:22 C 23 08 47.867 -23 54 29.08 X F52
2024-06-30 14:06:35 C 23 08 47.060 -23 54 58.30 X F52
2024-06-30 14:23:50 C 23 08 46.262 -23 55 27.44 X F52