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
2012-12-11 02:28:29 C 04 34 16.53 -26 24 34.6 u 807
2012-12-11 02:31:48 C 04 34 16.01 -26 24 35.4 u 807
2012-12-12 05:12:08 C 04 30 06.31 -26 29 54.8 u 807
2012-12-12 05:15:25 C 04 30 05.78 -26 29 55.4 u 807
2012-12-12 05:18:17 C 04 30 05.32 -26 29 55.9 u 807
2012-12-12 05:21:36 C 04 30 04.77 -26 29 56.4 u 807
2012-12-12 05:24:30 C 04 30 04.30 -26 29 56.9 u 807
2012-12-13 04:11:23 C 04 26 24.57 -26 33 20.4 u 807
2012-12-13 04:14:55 C 04 26 23.99 -26 33 20.7 u 807
2012-12-13 04:18:27 C 04 26 23.39 -26 33 21.1 u 807
2012-12-13 04:22:00 C 04 26 22.80 -26 33 21.6 u 807
2012-12-14 04:19:01 C 04 22 24.15 -26 35 41.3 u 807
2012-12-14 04:22:22 C 04 22 23.57 -26 35 41.5 u 807
2012-12-14 04:25:42 C 04 22 22.99 -26 35 41.7 u 807
2012-12-14 04:29:02 C 04 22 22.41 -26 35 41.9 u 807
2012-12-14 04:32:23 C 04 22 21.84 -26 35 42.2 u 807
2012-12-15 03:45:43 C 04 18 23.52 -26 36 41.5 u 807
2012-12-15 03:49:05 C 04 18 22.91 -26 36 41.7 u 807
2012-12-15 03:52:28 C 04 18 22.32 -26 36 41.7 u 807
2012-12-15 03:55:50 C 04 18 21.73 -26 36 41.5 u 807
2012-12-15 03:59:11 C 04 18 21.13 -26 36 41.8 u 807
2012-12-16 05:11:31 C 04 13 53.96 -26 36 15.2 u 807
2012-12-16 05:14:48 C 04 13 53.37 -26 36 14.9 u 807
2012-12-16 05:18:05 C 04 13 52.77 -26 36 14.7 u 807
2012-12-16 05:21:22 C 04 13 52.16 -26 36 14.5 u 807
2012-12-16 05:24:38 C 04 13 51.56 -26 36 14.4 u 807
2012-12-17 21:33:56 C 04 06 30.49 -26 32 27.4 t 204
2012-12-17 22:01:56 C 04 06 25.14 -26 32 22.9 t 204
2012-12-20 04:58:37 C 03 55 48.15 -26 19 21.3 o 291
2012-12-20 05:01:14 C 03 55 47.65 -26 19 20.0 o 291
2012-12-20 05:03:21 C 03 55 47.16 -26 19 19.9 o 291
2012-12-21 01:24:53 C 03 51 42.09 -26 11 54.8 u 807
2012-12-21 01:28:12 C 03 51 41.41 -26 11 53.6 u 807
2012-12-21 01:31:29 C 03 51 40.72 -26 11 52.2 u 807
2012-12-29 01:44:53 C 03 09 17.54 -23 54 11.1 u 807
2012-12-29 01:48:10 C 03 09 16.75 -23 54 07.8 u 807
2012-12-29 01:51:28 C 03 09 15.94 -23 54 03.9 u 807
2012-12-29 01:54:45 C 03 09 15.18 -23 54 01.0 u 807
2012-12-29 05:24:07 C 03 08 24.98 -23 50 31.7 q 448
2012-12-29 06:10:22 C 03 08 13.91 -23 49 42.4 q 448
2012-12-29 06:23:13 C 03 08 10.90 -23 49 29.3 q 448
2013-01-02 20:09:10 C 02 41 18.21 -21 24 43.2 t 204
2013-01-02 20:20:24 C 02 41 15.31 -21 24 25.9 t 204
2013-01-02 20:32:14 C 02 41 12.27 -21 24 07.4 t 204
2013-01-04 12:27:42 C 02 31 01.90 -20 18 28.2 q E12
2013-01-04 12:43:53 C 02 30 57.66 -20 17 59.6 q E12
2013-01-07 01:32:59 C 02 15 09.17 -18 26 20.5 q H21
2013-01-07 01:39:02 C 02 15 07.55 -18 26 08.7 q H21
2013-01-07 01:45:04 C 02 15 05.94 -18 25 56.5 q H21
2013-01-07 01:51:06 C 02 15 04.30 -18 25 44.6 q H21