2003 WU21

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5448479594 ± 1.95e-07
Semi-major axis (a)0.9091756950 AU ± 2.76e-10
Inclination (i)28.60007978° ± 2.07e-05
Long. of Asc. Node (Ω)57.51626569° ± 1.90e-06
Arg. of Perihelion (ω)140.69932593° ± 7.88e-06
Mean Anomaly (M)55.31859337° ± 1.79e-05
Mean Motion (n)1.1369478647°/day ± 5.17e-10
Perihelion dist (q)0.41381317 AU ± 1.77e-07
Aphelion dist (Q)1.40453822 AU ± 1.77e-07
Orbital Period0.86690544 yr ± 3.94e-10
Physical Parameters
H (abs. magnitude)21.87
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.279″
Uncertainty0
Orbit TypeAten
MOID0.069412 AU
Observations Used135
Oppositions3
Arc Total2003-2022
First Observation Used2003-11-20
Last Observation Used2022-11-23
Observations (138)
Date Type RA Dec Mag Band Observatory
2003-11-20 08:29:31 C 04 25 22.42 +27 39 08.1 18.1 c 704
2003-11-20 08:48:27 C 04 25 10.56 +27 41 42.4 18.0 c 704
2003-11-20 09:07:04 C 04 24 58.90 +27 44 13.5 17.8 c 704
2003-11-21 04:19:10 C 04 12 22.87 +30 29 01.9 c 673
2003-11-21 04:23:39 C 04 12 19.50 +30 29 43.4 c 673
2003-11-21 04:28:19 C 04 12 15.98 +30 30 26.4 c 673
2003-11-21 04:34:30 C 04 12 11.46 +30 31 23.3 c 673
2003-11-21 04:41:30 C 04 12 06.31 +30 32 27.4 c 673
2003-11-21 04:48:50 C 04 12 00.82 +30 33 34.7 c 673
2003-11-21 05:28:22 C 04 11 30.75 +30 39 41.6 c 854
2003-11-21 05:35:54 C 04 11 25.19 +30 40 49.8 c 854
2003-11-21 05:43:27 C 04 11 19.35 +30 41 59.3 c 854
2003-11-21 06:11:17 C 04 10 57.84 +30 46 12.8 17.4 c 704
2003-11-21 06:11:27 C 04 10 57.67 +30 46 14.9 17.3 c 704
2003-11-21 06:11:38 C 04 10 57.52 +30 46 16.2 16.9 c 704
2003-11-21 06:29:42 C 04 10 43.80 +30 49 00.9 17.3 c 704
2003-11-21 06:29:53 C 04 10 43.61 +30 49 03.3 17.3 c 704
2003-11-21 06:30:04 C 04 10 43.48 +30 49 04.1 17.1 c 704
2003-11-21 06:48:12 C 04 10 29.62 +30 51 50.1 17.2 c 704
2003-11-21 06:48:23 C 04 10 29.46 +30 51 52.2 17.3 c 704
2003-11-21 06:48:35 C 04 10 29.33 +30 51 53.2 17.3 c 704
2003-11-21 07:03:05 C 04 10 18.20 +30 54 05.4 17.1 c 704
2003-11-21 07:03:14 C 04 10 18.04 +30 54 06.9 17.3 c 704
2003-11-21 07:06:45 C 04 10 15.36 +30 54 39.5 17.4 c 704
2003-11-21 07:06:56 C 04 10 15.23 +30 54 40.6 17.3 c 704
2003-11-21 07:18:47 C 04 10 06.09 +30 56 28.8 17.4 c 704
2003-11-21 07:18:58 C 04 10 05.95 +30 56 29.2 17.3 c 704
2003-11-21 07:25:33 C 04 10 00.88 +30 57 30.7 17.3 c 704
2003-11-21 07:25:52 C 04 10 00.64 +30 57 33.3 17.1 c 704
2003-11-21 07:34:35 C 04 09 53.93 +30 58 53.3 17.5 c 704
2003-11-21 07:34:45 C 04 09 53.75 +30 58 54.3 17.6 c 704
2003-11-21 07:50:23 C 04 09 41.70 +31 01 17.0 17.5 c 704
2003-11-21 07:50:32 C 04 09 41.56 +31 01 18.4 17.5 c 704
2003-11-21 07:52:23 C 04 09 40.14 +31 01 37.5 r 448
2003-11-21 08:05:28 C 04 09 30.00 +31 03 36.7 r 448
2003-11-21 08:06:08 C 04 09 29.54 +31 03 42.0 17.2 c 704
2003-11-21 08:06:27 C 04 09 29.26 +31 03 43.1 17.4 c 704
2003-11-21 08:18:33 C 04 09 19.83 +31 05 36.1 r 448
2003-11-21 09:32:25 C 04 08 22.66 +31 16 51.2 c 691
2003-11-21 10:10:58 C 04 07 52.35 +31 22 43.3 c 691
2003-11-21 10:50:14 C 04 07 21.43 +31 28 42.5 c 691
2003-11-22 05:20:18 C 03 51 51.47 +34 26 50.3 18.0 c 704
2003-11-22 05:35:59 C 03 51 36.40 +34 29 28.5 17.1 c 704
2003-11-22 05:51:36 C 03 51 21.59 +34 32 04.3 17.6 c 704
2003-11-22 06:06:04 C 03 51 07.73 +34 34 28.9 17.8 c 704
2003-11-22 06:20:31 C 03 50 53.87 +34 36 53.6 17.7 c 704
2003-11-23 05:35:22 C 03 26 30.60 +38 35 41.9 c 670
2003-11-23 06:01:15 C 03 25 59.25 +38 40 14.9 c 670
2003-11-23 06:54:11 C 03 24 54.62 +38 49 33.3 c 670
2003-11-24 03:40:00 C 02 57 26.43 +42 26 38.7 19.3 c 704