2001 XX4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5568919373 ± 1.61e-06
Semi-major axis (a)1.0064424358 AU ± 1.06e-08
Inclination (i)0.84946332° ± 3.52e-05
Long. of Asc. Node (Ω)127.08134316° ± 2.14e-03
Arg. of Perihelion (ω)186.81471859° ± 2.08e-03
Mean Anomaly (M)316.57911294° ± 1.48e-04
Mean Motion (n)0.9761776632°/day ± 1.54e-08
Perihelion dist (q)0.44596276 AU ± 1.63e-06
Aphelion dist (Q)1.56692211 AU ± 1.63e-06
Orbital Period1.00967920 yr ± 1.60e-08
Physical Parameters
H (abs. magnitude)22.10
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.500″
Uncertainty0
Orbit TypeApollo
MOID0.011358 AU
Observations Used98
Oppositions1
Arc Total2001-2003
First Observation Used2001-12-11
Last Observation Used2003-01-03
Observations (105)
Date Type RA Dec Mag Band Observatory
2001-12-11 07:05:19 C 05 25 40.45 +08 11 14.9 16.3 c 704
2001-12-11 07:27:56 C 05 25 19.41 +08 13 59.2 16.6 c 704
2001-12-11 07:49:41 C 05 24 59.33 +08 16 36.0 16.4 c 704
2001-12-11 08:11:23 C 05 24 39.43 +08 19 11.0 16.5 c 704
2001-12-11 08:33:17 C 05 24 19.47 +08 21 46.6 16.6 c 704
2001-12-12 00:34:04 C 05 12 11.04 +10 00 35.5 16.2 201
2001-12-12 00:36:08 C 05 12 09.68 +10 00 46.6 16.2 201
2001-12-12 00:38:44 C 05 12 07.84 +10 01 00.4 16.4 201
2001-12-12 00:45:35 C 05 12 02.97 +10 01 37.6 16.2 201
2001-12-12 06:04:53 C 05 08 44.98 +10 29 37.1 c 670
2001-12-12 08:05:58 C 05 07 26.31 +10 39 29.3 c 670
2001-12-12 10:30:12 C 05 06 09.27 +10 53 33.8 m 422
2001-12-12 10:33:53 C 05 06 07.04 +10 53 51.2 m 422
2001-12-12 10:34:45 C 05 06 06.58 +10 53 54.4 m 422
2001-12-12 10:36:02 C 05 06 05.70 +10 54 01.1 m 422
2001-12-12 10:38:53 C 05 05 50.84 +10 51 20.8 c 670
2001-12-12 18:45:19 C 05 01 37.95 +11 26 07.2 c 104
2001-12-12 18:47:39 C 05 01 36.50 +11 26 17.8 c 104
2001-12-12 18:49:59 C 05 01 35.37 +11 26 27.4 c 104
2001-12-12 18:52:39 C 05 01 33.88 +11 26 39.1 c 104
2001-12-12 21:26:24 C 05 00 13.21 +11 37 13.9 d 176
2001-12-12 21:33:04 C 05 00 09.67 +11 37 39.7 d 176
2001-12-12 21:35:14 C 05 00 08.52 +11 37 48.0 d 176
2001-12-12 21:42:04 C 05 00 04.88 +11 38 14.5 d 176
2001-12-13 05:49:05 C 04 56 14.90 +12 08 34.7 c 670
2001-12-13 06:25:22 C 04 55 57.48 +12 10 42.1 c 670
2001-12-13 07:14:32 C 04 55 33.97 +12 13 32.5 c 670
2001-12-13 13:34:02 C 04 52 57.17 +12 36 45.9 c 322
2001-12-13 13:39:31 C 04 52 54.77 +12 37 03.1 c 322
2001-12-13 14:03:26 C 04 52 44.39 +12 38 18.2 c 322
2001-12-13 14:07:22 C 04 52 42.74 +12 38 31.1 c 322
2001-12-13 18:17:00 C 04 51 06.28 +12 48 11.4 d 557
2001-12-13 18:22:01 C 04 51 04.26 +12 48 27.2 d 557
2001-12-13 18:27:02 C 04 51 02.31 +12 48 42.3 d 557
2001-12-13 18:32:04 C 04 51 00.27 +12 48 57.6 d 557
2001-12-13 18:36:06 C 04 50 58.66 +12 49 10.0 d 557
2001-12-13 18:42:09 C 04 50 56.29 +12 49 27.6 d 557
2001-12-13 18:47:11 C 04 50 54.27 +12 49 43.3 d 557
2001-12-13 20:12:15 C 04 50 21.00 +12 53 59.8 c 198
2001-12-13 20:20:13 C 04 50 17.82 +12 54 23.2 c 198
2001-12-13 20:27:46 C 04 50 14.83 +12 54 45.3 c 198
2001-12-13 20:30:47 C 04 50 13.02 +12 54 51.2 c 113
2001-12-13 20:32:00 C 04 50 12.68 +12 54 55.3 c 113
2001-12-13 20:33:12 C 04 50 12.23 +12 54 59.4 c 113
2001-12-13 20:34:05 C 04 50 12.36 +12 55 04.1 c 198
2001-12-13 20:34:23 C 04 50 11.76 +12 55 02.7 c 113
2001-12-13 20:35:36 C 04 50 11.29 +12 55 05.7 c 113
2001-12-13 23:01:54 C 04 49 14.35 +13 02 04.5 c 636
2001-12-13 23:04:55 C 04 49 13.20 +13 02 12.3 c 636
2001-12-13 23:07:24 C 04 49 12.26 +13 02 19.8 c 636