530938 (2011 XE)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4634222688 ± 6.57e-08
Semi-major axis (a)0.7839225041 AU ± 5.96e-10
Inclination (i)20.72006289° ± 9.97e-06
Long. of Asc. Node (Ω)221.24202875° ± 1.63e-05
Arg. of Perihelion (ω)46.63658894° ± 1.36e-05
Mean Anomaly (M)179.72135618° ± 1.21e-05
Mean Motion (n)1.4200465408°/day ± 1.62e-09
Perihelion dist (q)0.42063536 AU ± 5.15e-08
Aphelion dist (Q)1.14720965 AU ± 5.15e-08
Orbital Period0.69408027 yr ± 7.91e-10
Physical Parameters
H (abs. magnitude)19.29
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.224″
Uncertainty0
Orbit TypeAten
MOID0.054244 AU
Observations Used239
Oppositions10
Arc Total2004-2026
First Observation Used2004-12-14
Last Observation Used2026-01-13
Observations (368)
Date Type RA Dec Mag Band Observatory
2011-12-15 11:48:02 C 02 50 06.84 -35 11 43.8 u D90
2011-12-15 12:01:38 C 02 50 05.80 -35 11 30.1 u D90
2011-12-16 12:22:52 C 02 48 29.71 -34 46 46.7 r E12
2011-12-16 12:28:17 C 02 48 29.34 -34 46 41.4 r E12
2011-12-20 10:44:17 C 02 43 38.51 -33 13 49.7 r E12
2011-12-20 10:50:09 C 02 43 38.21 -33 13 44.0 r E12
2011-12-23 01:10:11 C 02 41 23.74 -32 14 35.4 o 807
2011-12-23 01:19:50 C 02 41 23.38 -32 14 26.5 o 807
2011-12-23 01:29:41 C 02 41 22.99 -32 14 17.3 o 807
2011-12-23 01:34:06 C 02 41 22.85 -32 14 13.1 o 807
2011-12-23 01:38:30 C 02 41 22.68 -32 14 09.0 o 807
2011-12-23 01:42:53 C 02 41 22.51 -32 14 04.7 o 807
2011-12-23 14:28:17 C 02 40 58.78 -32 02 05.4 r E12
2011-12-24 10:45:59 C 02 40 27.48 -31 43 23.0 r E12
2011-12-24 10:51:21 C 02 40 27.32 -31 43 18.0 r E12
2011-12-27 10:42:29 C 02 39 01.19 -30 38 05.5 r E12
2011-12-27 10:56:39 C 02 39 00.89 -30 37 52.4 r E12
2011-12-28 10:28:57 C 02 38 41.97 -30 16 56.5 r E12
2011-12-28 10:34:30 C 02 38 41.87 -30 16 51.4 r E12
2011-12-29 10:46:18 C 02 38 26.46 -29 55 33.1 r E12
2011-12-29 10:51:47 C 02 38 26.36 -29 55 27.9 r E12
2011-12-30 10:48:02 C 02 38 15.26 -29 34 36.1 r E12
2011-12-30 10:57:06 C 02 38 15.14 -29 34 28.0 r E12
2011-12-31 10:37:09 C 02 38 07.63 -29 13 56.2 o 474
2011-12-31 10:38:28 C 02 38 07.61 -29 13 55.7 o 474
2011-12-31 10:39:58 C 02 38 07.63 -29 13 53.8 o 474
2011-12-31 10:41:19 C 02 38 07.61 -29 13 52.7 o 474
2011-12-31 10:42:48 C 02 38 07.59 -29 13 51.3 o 474
2011-12-31 10:44:18 C 02 38 07.58 -29 13 50.2 o 474
2011-12-31 10:46:06 C 02 38 07.95 -29 13 54.3 r E12
2011-12-31 10:54:21 C 02 38 07.87 -29 13 47.4 r E12
2012-01-01 10:41:19 C 02 38 04.30 -28 53 26.8 r E12
2012-01-01 10:48:23 C 02 38 04.23 -28 53 21.0 r E12
2012-01-02 10:34:59 C 02 38 04.06 -28 33 12.3 r E12
2012-01-02 10:42:06 C 02 38 04.04 -28 33 06.1 r E12
2012-01-03 10:43:20 C 02 38 07.05 -28 12 56.5 r E12
2012-01-10 00:11:51 C 02 39 38.71 -26 05 20.4 o H21
2012-01-10 00:20:55 C 02 39 38.83 -26 05 13.3 o H21
2012-01-10 00:29:59 C 02 39 38.89 -26 05 05.9 o H21
2012-01-10 00:39:05 C 02 39 39.02 -26 04 58.7 o H21
2012-01-18 00:46:54 C 02 43 43.30 -23 37 09.1 o 807
2012-01-18 00:55:32 C 02 43 43.49 -23 37 02.5 o 807
2012-01-18 01:04:12 C 02 43 43.67 -23 36 56.2 o 807
2012-01-18 01:12:50 C 02 43 43.87 -23 36 49.4 o 807
2012-01-20 01:15:33 C 02 45 03.88 -23 01 24.5 o H21
2012-01-20 01:23:40 C 02 45 04.11 -23 01 18.3 o H21
2012-01-20 01:31:48 C 02 45 04.30 -23 01 12.5 o H21
2012-01-29 02:30:08 C 02 52 18.57 -20 25 19.3 u 448
2012-01-29 03:29:38 C 02 52 20.64 -20 24 36.5 u 448
2012-01-29 04:31:22 C 02 52 22.76 -20 23 51.0 u 448