138877 (2000 XG47)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5429612729 ± 7.99e-09
Semi-major axis (a)2.1399854288 AU ± 7.22e-10
Inclination (i)25.31822212° ± 2.86e-06
Long. of Asc. Node (Ω)43.78911791° ± 1.99e-06
Arg. of Perihelion (ω)127.62391250° ± 3.89e-06
Mean Anomaly (M)314.47949188° ± 1.66e-06
Mean Motion (n)0.3148444571°/day ± 1.59e-10
Perihelion dist (q)0.97805622 AU ± 1.71e-08
Aphelion dist (Q)3.30191464 AU ± 1.71e-08
Orbital Period3.13051814 yr ± 1.58e-09
Physical Parameters
H (abs. magnitude)16.68
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.267″
Uncertainty0
Orbit TypeApollo
MOID0.101303 AU
Observations Used774
Oppositions18
Arc Total2000-2026
First Observation Used2000-11-06
Last Observation Used2026-01-12
Observations (847)
Date Type RA Dec Mag Band Observatory
2001-04-23 20:36:14 C 15 34 23.59 +36 10 42.5 113
2001-04-23 20:37:06 C 15 34 23.30 +36 10 33.2 113
2001-04-23 20:37:58 C 15 34 23.08 +36 10 22.3 113
2001-04-23 20:50:23 C 15 34 18.74 +36 08 12.5 557
2001-04-23 21:19:34 C 15 34 08.76 +36 02 59.0 557
2001-04-23 21:23:55 C 15 34 08.43 +36 02 18.2 176
2001-04-23 21:26:54 C 15 34 07.46 +36 01 46.1 176
2001-04-23 21:29:34 C 15 34 06.49 +36 01 17.9 176
2001-04-23 21:34:14 C 15 34 04.89 +36 00 27.5 176
2001-04-23 22:02:14 C 15 33 54.03 +35 55 19.6 557
2001-04-23 22:31:29 C 15 33 43.90 +35 50 03.0 557
2001-04-23 23:09:04 C 15 33 30.93 +35 43 15.6 557
2001-04-23 23:37:31 C 15 33 21.06 +35 38 06.3 557
2001-04-24 00:26:09 C 15 33 04.19 +35 29 15.0 557
2001-04-24 01:11:53 C 15 32 48.35 +35 20 53.1 557
2001-04-24 01:41:44 C 15 32 38.05 +35 15 24.9 557
2001-04-24 02:07:16 C 15 32 29.25 +35 10 43.0 557
2001-04-24 02:25:31 C 15 32 22.97 +35 07 21.1 557
2001-04-24 19:37:24 C 15 26 57.47 +31 53 47.2 557
2001-04-24 19:41:34 C 15 26 56.14 +31 52 59.8 557
2001-04-24 23:03:27 C 15 25 50.14 +31 14 31.6 557
2001-04-25 02:08:42 C 15 24 49.18 +30 38 41.9 557
2001-04-25 02:12:51 C 15 24 47.83 +30 37 53.4 557
2001-04-25 02:17:01 C 15 24 46.47 +30 37 04.7 557
2001-04-25 20:15:49 C 15 19 23.49 +27 04 21.3 151
2001-04-25 20:16:58 C 15 19 23.14 +27 04 07.7 151
2001-04-25 20:27:00 C 15 19 20.06 +27 02 07.6 151
2001-04-25 20:27:43 C 15 19 19.82 +27 01 59.1 151
2001-04-25 20:32:19 C 15 19 18.43 +27 01 04.4 151
2001-04-25 20:34:13 C 15 19 17.78 +27 00 41.7 151
2001-04-26 17:25:20 C 15 13 07.12 +22 47 17.8 349
2001-04-26 17:26:12 C 15 13 06.83 +22 47 07.6 349
2001-04-26 17:27:34 C 15 13 06.41 +22 46 50.6 349
2001-04-26 17:28:20 C 15 13 06.17 +22 46 41.1 349
2001-04-26 17:29:26 C 15 13 05.83 +22 46 27.2 349
2001-04-26 19:30:25 C 15 12 37.64 +22 21 09.5 151
2001-04-26 19:32:32 C 15 12 37.01 +22 20 43.6 151
2001-04-26 19:33:57 C 15 12 36.59 +22 20 26.1 151
2001-04-26 19:36:21 C 15 12 35.90 +22 19 57.0 151
2001-04-26 19:41:57 C 15 12 34.29 +22 18 48.6 151
2001-04-26 19:43:00 C 15 12 33.97 +22 18 35.8 151
2001-04-26 19:44:04 C 15 12 33.67 +22 18 22.6 151
2001-04-26 19:45:33 C 15 12 33.24 +22 18 04.2 151
2001-04-26 19:46:21 C 15 12 33.00 +22 17 54.6 151
2001-04-26 19:47:22 C 15 12 32.71 +22 17 42.4 151
2001-04-27 22:52:33 C 15 05 02.75 +16 41 47.1 071
2001-04-27 22:55:05 C 15 05 02.04 +16 41 17.3 071
2001-04-27 22:57:25 C 15 05 01.39 +16 40 48.2 071
2001-04-27 23:35:06 C 15 04 52.54 +16 33 00.4 13.3 939
2001-04-27 23:45:06 C 15 04 49.67 +16 30 56.0 13.3 939