457912 (2009 UW18)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4391831542 ± 3.00e-08
Semi-major axis (a)1.2792879417 AU ± 1.16e-09
Inclination (i)16.98590418° ± 7.06e-06
Long. of Asc. Node (Ω)227.18911314° ± 5.41e-06
Arg. of Perihelion (ω)59.84682004° ± 9.06e-06
Mean Anomaly (M)104.83335581° ± 7.05e-06
Mean Motion (n)0.6811767508°/day ± 9.29e-10
Perihelion dist (q)0.71744623 AU ± 3.84e-08
Aphelion dist (Q)1.84112966 AU ± 3.85e-08
Orbital Period1.44694645 yr ± 1.97e-09
Physical Parameters
H (abs. magnitude)19.62
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.311″
Uncertainty0
Orbit TypeApollo
MOID0.106356 AU
Observations Used299
Oppositions6
Arc Total2006-2025
First Observation Used2006-11-19
Last Observation Used2025-12-17
Observations (307)
Date Type RA Dec Mag Band Observatory
2022-10-23 13:33:20 C 04 17 58.627 +34 16 59.66 V T08
2022-10-27 09:34:04 C 04 00 40.396 +30 09 25.45 V 703
2022-10-27 09:41:42 C 04 00 38.956 +30 09 04.93 V 703
2022-10-27 09:49:20 C 04 00 37.498 +30 08 43.94 V 703
2022-10-27 09:56:59 C 04 00 36.018 +30 08 22.56 V 703
2022-10-27 14:13:38 C 03 59 49.296 +29 56 59.17 V T08
2022-10-27 14:14:18 C 03 59 49.171 +29 56 57.23 V T08
2022-10-27 14:18:17 C 03 59 48.430 +29 56 46.32 V T08
2022-10-27 14:18:57 C 03 59 48.307 +29 56 44.48 V T08
2022-10-27 14:26:21 C 03 59 46.942 +29 56 24.07 V T08
2022-10-27 14:27:01 C 03 59 46.817 +29 56 22.49 V T08
2022-10-27 14:42:10 C 03 59 43.973 +29 55 41.12 V T08
2022-10-28 09:09:31 C 03 56 30.884 +29 06 12.79 U F51
2022-10-28 09:27:03 C 03 56 27.679 +29 05 26.61 U F51
2022-10-28 09:44:30 C 03 56 24.487 +29 04 40.43 U F51
2022-10-28 10:01:56 C 03 56 21.295 +29 03 54.53 U F51
2022-10-28 12:06:59 C 03 55 58.248 +28 58 22.44 V T08
2022-10-28 12:11:40 C 03 55 57.374 +28 58 09.80 V T08
2022-10-28 12:22:35 C 03 55 55.399 +28 57 40.68 V T08
2022-10-28 12:47:22 C 03 55 50.815 +28 56 34.01 V T08
2022-10-29 10:34:26 C 03 52 06.691 +27 58 32.56 V T05
2022-10-29 11:36:13 C 03 51 55.637 +27 55 48.83 V T05
2022-10-29 11:40:46 C 03 51 54.816 +27 55 36.80 V T05
2022-10-29 12:13:04 C 03 51 49.034 +27 54 10.94 V T05
2022-10-30 07:20:07 C 03 48 37.166 +27 03 33.95 V 703
2022-10-30 07:27:37 C 03 48 35.813 +27 03 14.33 V 703
2022-10-30 07:35:07 C 03 48 34.657 +27 02 54.85 V 703
2022-10-30 07:42:42 C 03 48 33.340 +27 02 34.73 V 703
2022-10-30 11:34:29 C 03 47 54.523 +26 52 32.20 V T05
2022-10-30 11:51:20 C 03 47 51.607 +26 51 47.99 V T05
2022-10-30 11:55:21 C 03 47 50.842 +26 51 37.62 V T05
2022-10-30 12:03:16 C 03 47 49.495 +26 51 17.24 V T05
2022-10-31 08:55:53 C 03 44 26.886 +25 56 42.40 U F52
2022-10-31 09:15:55 C 03 44 23.522 +25 55 50.99 U F52
2022-10-31 09:35:56 C 03 44 20.144 +25 54 59.43 U F52
2022-10-31 12:11:33 C 03 43 53.789 +25 48 17.82 V T08
2022-10-31 12:15:35 C 03 43 53.136 +25 48 07.74 V T08
2022-10-31 12:23:34 C 03 43 51.775 +25 47 46.54 V T08
2022-10-31 12:37:54 C 03 43 49.342 +25 47 09.28 V T08
2022-11-01 10:37:21 C 03 40 22.145 +24 50 32.28 V T08
2022-11-01 10:40:00 C 03 40 21.722 +24 50 25.66 V T08
2022-11-01 10:44:00 C 03 40 21.089 +24 50 15.32 V T08
2022-11-01 11:14:34 C 03 40 16.044 +24 48 57.56 V T08
2022-11-02 12:06:19 C 03 36 27.547 +23 45 57.38 V T05
2022-11-02 12:10:18 C 03 36 26.976 +23 45 48.06 V T05
2022-11-02 12:14:57 C 03 36 26.227 +23 45 35.96 V T05
2022-11-02 12:22:33 C 03 36 25.037 +23 45 16.56 V T05
2022-11-02 12:31:02 C 03 36 23.662 +23 44 55.61 V T05
2022-11-02 12:38:39 C 03 36 22.474 +23 44 35.77 V T05
2022-11-03 09:43:42 C 03 33 16.757 +22 52 08.62 V T05