878285 (2011 XC)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1341580315 ± 7.60e-08
Semi-major axis (a)1.2564324594 AU ± 3.70e-09
Inclination (i)21.60034977° ± 1.73e-05
Long. of Asc. Node (Ω)75.63529239° ± 5.12e-06
Arg. of Perihelion (ω)63.82047657° ± 4.21e-05
Mean Anomaly (M)274.03228734° ± 5.05e-05
Mean Motion (n)0.6998477241°/day ± 3.09e-09
Perihelion dist (q)1.08787195 AU ± 9.55e-08
Aphelion dist (Q)1.42499296 AU ± 9.56e-08
Orbital Period1.40834391 yr ± 6.22e-09
Physical Parameters
H (abs. magnitude)20.98
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.342″
Uncertainty0
Orbit TypeAmor
MOID0.171144 AU
Observations Used135
Oppositions8
Arc Total1998-2025
First Observation Used1998-06-02
Last Observation Used2025-12-12
Observations (138)
Date Type RA Dec Mag Band Observatory
2011-12-02 21:47:42 C 04 25 08.72 +06 49 30.3 o J04
2011-12-02 21:50:32 C 04 25 08.24 +06 49 40.5 o J04
2011-12-02 21:53:23 C 04 25 07.77 +06 49 50.8 o J04
2011-12-03 04:52:20 C 04 23 58.31 +07 15 43.1 o 807
2011-12-03 04:54:57 C 04 23 57.84 +07 15 52.6 o 807
2011-12-03 04:57:37 C 04 23 57.39 +07 16 02.2 o 807
2011-12-03 05:00:13 C 04 23 56.95 +07 16 11.8 o 807
2011-12-03 05:02:49 C 04 23 56.51 +07 16 21.4 o 807
2011-12-03 05:05:17 C 04 23 56.08 +07 16 30.1 o 807
2011-12-03 18:39:25 C 04 21 45.42 +08 05 06.8 u C73
2011-12-03 18:43:28 C 04 21 44.93 +08 05 22.6 u C73
2011-12-03 18:47:30 C 04 21 44.01 +08 05 38.6 u C73
2011-12-03 23:32:15 C 04 20 56.58 +08 23 20.7 o J13
2011-12-03 23:32:58 C 04 20 56.47 +08 23 23.6 o J13
2011-12-03 23:33:40 C 04 20 56.34 +08 23 25.7 o J13
2011-12-03 23:34:22 C 04 20 56.24 +08 23 28.1 o J13
2011-12-05 00:24:10 C 04 16 48.14 +09 57 19.5 o 807
2011-12-05 00:31:38 C 04 16 46.82 +09 57 48.4 o 807
2011-12-05 00:39:02 C 04 16 45.51 +09 58 16.6 o 807
2011-12-05 00:42:44 C 04 16 44.87 +09 58 30.8 o 807
2011-12-05 00:50:07 C 04 16 43.55 +09 58 59.2 o 807
2011-12-05 00:53:48 C 04 16 42.90 +09 59 13.2 o 807
2011-12-05 01:44:49 C 04 16 33.78 +10 02 28.2 o 807
2011-12-05 01:49:01 C 04 16 33.04 +10 02 44.3 o 807
2011-12-05 01:57:22 C 04 16 31.54 +10 03 16.2 o 807
2011-12-05 02:01:35 C 04 16 30.78 +10 03 32.3 o 807
2011-12-05 02:05:47 C 04 16 30.02 +10 03 48.5 o 807
2011-12-06 01:07:32 C 04 12 32.63 +11 32 27.2 o 807
2011-12-06 01:11:05 C 04 12 32.00 +11 32 41.5 o 807
2011-12-06 01:14:39 C 04 12 31.35 +11 32 55.6 o 807
2011-12-06 01:30:28 C 04 12 28.43 +11 33 57.1 o 807
2011-12-06 13:23:41 C 04 10 22.18 +12 20 29.3 u D90
2011-12-06 13:32:05 C 04 10 20.65 +12 21 02.2 u D90
2011-12-06 13:41:54 C 04 10 18.78 +12 21 41.6 u D90
2011-12-06 22:06:27 C 04 08 49.64 +12 53 50.7 t 204
2011-12-06 22:13:23 C 04 08 48.37 +12 54 18.4 t 204
2011-12-07 01:40:00 C 04 08 12.84 +13 08 50.2 o 807
2011-12-07 01:44:17 C 04 08 12.05 +13 09 07.4 o 807
2011-12-07 01:48:36 C 04 08 11.23 +13 09 24.7 o 807
2011-12-07 01:53:10 C 04 08 10.36 +13 09 42.6 o 807
2011-12-07 01:57:46 C 04 08 09.50 +13 10 00.9 o 807
2011-12-07 02:02:17 C 04 08 08.65 +13 10 19.3 o 807
2011-12-07 04:00:21 C 04 07 47.89 +13 17 20.9 o G48
2011-12-07 04:05:49 C 04 07 46.88 +13 17 43.0 o G48
2011-12-07 04:07:11 C 04 07 46.61 +13 17 48.7 o G48
2011-12-08 05:10:51 C 04 03 13.46 +14 57 56.2 o H21
2011-12-08 05:14:28 C 04 03 12.76 +14 58 10.7 o H21
2011-12-08 05:18:08 C 04 03 12.05 +14 58 25.3 o H21
2011-12-08 05:21:49 C 04 03 11.35 +14 58 40.3 o H21
2011-12-08 05:25:35 C 04 03 10.62 +14 58 55.2 o H21