2001 XU4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1639048598 ± 2.00e+00
Semi-major axis (a)1.0197257061 AU ± 3.00e+00
Inclination (i)12.70333099° ± 4.00e+00
Long. of Asc. Node (Ω)259.31178446° ± 5.00e+00
Arg. of Perihelion (ω)69.81029309° ± 6.00e+00
Mean Anomaly (M)184.20147913° ± 4.07e-01
Mean Motion (n)0.9571478000°/day ± 4.22e+00
Perihelion dist (q)0.85258770 AU ± 3.23e+00
Aphelion dist (Q)1.18686370 AU ± 4.04e+00
Orbital Period1.02973400 yr ± 4.54e+00
Physical Parameters
H (abs. magnitude)23.80
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.541″
Uncertainty3
Orbit TypeApollo
MOID0.051507 AU
Observations Used29
Oppositions1
Arc Total2001-2001
First Observation Used
Last Observation Used2001-12-14
Observations (31)
Date Type RA Dec Mag Band Observatory
2001-12-09 05:46:57 C 04 11 00.16 +32 17 51.7 19.2 c 704
2001-12-09 06:08:30 C 04 10 58.74 +32 14 15.5 19.2 c 704
2001-12-09 06:30:04 C 04 10 57.35 +32 10 39.5 19.0 c 704
2001-12-09 06:51:39 C 04 10 55.94 +32 07 02.9 19.3 c 704
2001-12-09 07:13:12 C 04 10 54.60 +32 03 26.1 18.9 c 704
2001-12-10 04:57:44 C 04 10 33.25 +28 34 27.2 19.4 c 704
2001-12-10 04:58:19 C 04 10 33.33 +28 34 23.3 19.6 c 704
2001-12-10 05:20:00 C 04 10 31.97 +28 31 03.1 19.3 c 704
2001-12-10 05:20:36 C 04 10 31.89 +28 30 57.9 19.5 c 704
2001-12-10 05:42:11 C 04 10 30.74 +28 27 38.6 19.3 c 704
2001-12-10 05:42:47 C 04 10 30.61 +28 27 33.6 19.5 c 704
2001-12-10 06:04:17 C 04 10 29.54 +28 24 15.3 19.1 c 704
2001-12-10 06:04:53 C 04 10 29.36 +28 24 10.2 19.5 c 704
2001-12-10 06:26:13 C 04 10 28.27 +28 20 52.9 19.5 c 704
2001-12-10 06:26:49 C 04 10 28.04 +28 20 47.6 19.2 c 704
2001-12-11 05:03:22 C 04 10 09.72 +25 01 26.2 19.1 c 704
2001-12-11 05:25:18 C 04 10 08.68 +24 58 22.0 20.3 c 704
2001-12-11 05:35:55 C 04 10 08.15 +24 56 52.6 19.9 c 704
2001-12-11 05:47:13 C 04 10 07.54 +24 55 18.3 20.1 c 704
2001-12-11 05:58:27 C 04 10 07.02 +24 53 43.7 19.8 c 704
2001-12-11 06:09:09 C 04 10 06.52 +24 52 14.0 19.9 c 704
2001-12-11 06:22:04 C 04 10 05.85 +24 50 24.4 20.2 c 704
2001-12-11 06:31:06 C 04 10 05.41 +24 49 08.7 20.0 c 704
2001-12-11 06:44:42 C 04 10 04.67 +24 47 13.2 20.1 c 704
2001-12-11 11:39:53 C 04 10 04.81 +24 08 30.8 m 422
2001-12-11 11:40:45 C 04 10 04.74 +24 08 24.0 m 422
2001-12-11 11:41:19 C 04 10 04.82 +24 08 18.6 m 422
2001-12-14 05:40:27 C 04 09 30.89 +16 09 38.4 20.0 c 704
2001-12-14 06:02:13 C 04 09 30.15 +16 07 22.1 20.1 c 704
2001-12-14 06:24:26 C 04 09 29.50 +16 05 01.9 20.3 c 704
2001-12-14 06:46:28 C 04 09 28.77 +16 02 43.7 19.8 c 704