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
2001-01-15 02:44:35 C 00 54 36.87 +70 17 24.0 17.9 c 704
2001-01-15 03:08:38 C 00 54 31.58 +70 17 19.5 17.9 c 704
2001-01-15 03:30:55 C 00 54 26.86 +70 17 15.1 17.6 c 704
2001-02-16 17:37:33 C 23 18 50.42 +70 05 27.2 118
2001-02-16 17:45:49 C 23 18 49.67 +70 05 28.6 118
2001-02-16 17:48:33 C 23 18 49.38 +70 05 29.2 118
2001-02-17 00:06:23 C 23 18 17.18 +70 06 38.4 540
2001-02-17 00:10:35 C 23 18 16.86 +70 06 38.9 540
2001-02-17 00:14:54 C 23 18 16.53 +70 06 40.1 540
2001-02-17 00:20:24 C 23 18 16.06 +70 06 41.0 540
2001-03-19 20:19:54 C 21 26 58.29 +73 52 09.6 587
2001-03-19 20:27:40 C 21 26 56.22 +73 52 11.4 587
2001-04-04 23:20:48 C 18 59 35.59 +72 17 43.9 118
2001-04-04 23:31:52 C 18 59 30.10 +72 17 32.9 118
2001-04-12 10:00:46 C 17 29 53.48 +66 20 24.5 15.5 c 704
2001-04-12 10:22:48 C 17 29 41.95 +66 19 15.2 15.7 c 704
2001-04-12 10:43:00 C 17 29 31.38 +66 18 11.3 15.7 c 704
2001-04-12 11:03:23 C 17 29 20.74 +66 17 06.0 16.2 c 704
2001-04-12 17:33:58 C 17 26 10.13 +65 55 51.0 349
2001-04-12 17:36:03 C 17 26 08.98 +65 55 44.3 349
2001-04-12 17:37:37 C 17 26 08.16 +65 55 38.9 349
2001-04-12 17:39:33 C 17 26 07.14 +65 55 32.8 349
2001-04-13 03:36:57 C 17 21 18.46 +65 20 55.3 726
2001-04-13 03:39:28 C 17 21 17.18 +65 20 46.9 726
2001-04-13 03:41:57 C 17 21 15.96 +65 20 38.4 726
2001-04-13 03:44:28 C 17 21 14.81 +65 20 29.9 726
2001-04-13 03:46:58 C 17 21 13.60 +65 20 21.8 726
2001-04-19 15:49:10 C 16 11 14.73 +51 35 20.3 349
2001-04-19 15:50:38 C 16 11 14.08 +51 35 09.4 349
2001-04-19 15:52:05 C 16 11 13.50 +51 34 59.0 349
2001-04-19 15:54:27 C 16 11 12.45 +51 34 41.5 349
2001-04-19 15:56:07 C 16 11 11.76 +51 34 28.9 349
2001-04-19 15:57:11 C 16 11 11.30 +51 34 21.0 349
2001-04-19 15:58:28 C 16 11 10.78 +51 34 11.3 349
2001-04-21 00:43:16 C 15 58 26.07 +47 11 25.0 14.2 939
2001-04-21 00:55:46 C 15 58 20.85 +47 09 39.4 14.2 939
2001-04-21 01:10:45 C 15 58 14.93 +47 07 30.3 14.0 939
2001-04-21 06:25:24 C 15 56 19.07 +46 21 28.8 642
2001-04-21 06:27:21 C 15 56 18.57 +46 21 16.4 642
2001-04-21 06:29:00 C 15 56 17.91 +46 21 02.3 642
2001-04-21 22:57:02 C 15 50 13.76 +43 52 08.3 14.1 939
2001-04-21 23:07:03 C 15 50 09.85 +43 50 36.7 14.4 939
2001-04-21 23:24:32 C 15 50 02.99 +43 47 53.7 14.4 939
2001-04-23 20:30:08 C 15 34 25.67 +36 11 48.0 113
2001-04-23 20:31:00 C 15 34 25.35 +36 11 39.3 113
2001-04-23 20:31:52 C 15 34 25.07 +36 11 29.5 113
2001-04-23 20:32:45 C 15 34 24.78 +36 11 20.0 113
2001-04-23 20:33:37 C 15 34 24.48 +36 11 10.7 113
2001-04-23 20:34:28 C 15 34 24.17 +36 11 01.4 113
2001-04-23 20:35:21 C 15 34 23.92 +36 10 51.8 113