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
1998-06-02 06:21:53 c 15 29 29.56 -03 20 32.4 i 691
1998-06-02 06:51:41 c 15 29 25.98 -03 21 53.4 i 691
1998-06-02 07:21:36 c 15 29 22.36 -03 23 14.1 i 691
1998-06-03 04:48:31 C 15 26 59.68 -04 20 47.4 695
1998-06-03 04:51:10 C 15 26 59.33 -04 20 56.3 695
1998-06-03 04:53:26 C 15 26 59.07 -04 21 01.3 695
1998-06-03 04:57:06 C 15 26 58.67 -04 21 11.6 695
2005-06-01 06:41:17 C 13 27 38.131 +16 52 14.63 n 645
2005-06-01 06:42:29 C 13 27 38.114 +16 52 11.14 n 645
2005-06-01 06:46:04 C 13 27 38.088 +16 52 01.09 n 645
2011-12-01 00:22:57 C 04 32 09.47 +04 11 32.4 r 106
2011-12-01 00:41:36 C 04 32 06.54 +04 12 34.8 r 106
2011-12-01 01:00:13 C 04 32 03.60 +04 13 36.7 r 106
2011-12-01 01:18:55 C 04 32 00.62 +04 14 39.7 r 106
2011-12-01 02:57:23 C 04 31 45.32 +04 20 21.6 20.0 c J43
2011-12-01 03:30:16 C 04 31 40.20 +04 22 09.7 20.0 c J43
2011-12-01 07:44:14 C 04 31 02.31 +04 36 26.3 r H21
2011-12-01 07:47:59 C 04 31 01.71 +04 36 39.1 r H21
2011-12-01 07:55:40 C 04 31 00.48 +04 37 05.2 r H21
2011-12-01 08:17:55 C 04 30 57.13 +04 38 21.4 u H36
2011-12-01 08:21:18 C 04 30 56.63 +04 38 32.5 u H36
2011-12-01 08:24:46 C 04 30 56.03 +04 38 44.1 u H36
2011-12-01 08:28:13 C 04 30 55.51 +04 38 55.3 u H36
2011-12-01 11:04:56 C 04 30 34.45 +04 48 39.0 o E10
2011-12-01 11:11:36 C 04 30 33.38 +04 49 01.8 o E10
2011-12-01 11:16:59 C 04 30 32.47 +04 49 19.8 o E10
2011-12-01 12:03:21 C 04 30 25.20 +04 52 02.6 u D90
2011-12-01 12:07:19 C 04 30 24.49 +04 52 18.3 u D90
2011-12-01 13:17:30 C 04 30 12.04 +04 56 19.8 o 474
2011-12-01 13:18:59 C 04 30 11.81 +04 56 25.0 o 474
2011-12-01 13:20:49 C 04 30 11.53 +04 56 31.7 o 474
2011-12-01 13:22:40 C 04 30 11.24 +04 56 37.6 o 474
2011-12-01 22:37:48 C 04 28 46.75 +05 27 29.8 o J41
2011-12-01 22:56:25 C 04 28 43.76 +05 28 33.5 o J41
2011-12-01 23:17:58 C 04 28 40.26 +05 29 48.1 o J41
2011-12-02 02:44:13 C 04 28 08.29 +05 42 46.9 u I39
2011-12-02 02:59:52 C 04 28 05.68 +05 43 42.6 u I39
2011-12-02 03:16:28 C 04 28 02.91 +05 44 40.3 u I39
2011-12-02 03:37:16 C 04 28 00.51 +05 45 03.1 r 850
2011-12-02 03:57:20 C 04 27 57.17 +05 46 12.9 r 850
2011-12-02 04:13:41 C 04 27 53.85 +05 47 57.8 o 807
2011-12-02 04:17:25 C 04 27 53.22 +05 48 10.7 o 807
2011-12-02 04:21:14 C 04 27 52.59 +05 48 24.0 o 807
2011-12-02 05:24:04 C 04 27 41.68 +05 52 06.3 18.9 u I36
2011-12-02 05:35:27 C 04 27 39.76 +05 52 46.7 19.0 u I36
2011-12-02 05:46:52 C 04 27 37.87 +05 53 26.5 19.2 u I36
2011-12-02 06:06:45 C 04 27 36.58 +05 53 44.3 18.6 r 718
2011-12-02 06:17:57 C 04 27 34.74 +05 54 22.8 18.6 r 718
2011-12-02 06:36:58 C 04 27 31.62 +05 55 30.7 18.7 r 718
2011-12-02 06:46:46 C 04 27 30.02 +05 56 04.8 18.6 r 718