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
2022-11-03 09:46:58 C 03 33 16.236 +22 52 00.48 V T05
2022-11-03 09:51:35 C 03 33 15.542 +22 51 49.57 V T05
2022-11-03 09:59:22 C 03 33 14.350 +22 51 29.95 V T05
2022-11-05 04:21:58 C 03 27 16.052 +21 08 50.93 V 703
2022-11-05 04:31:02 C 03 27 14.735 +21 08 29.44 V 703
2022-11-05 04:40:05 C 03 27 13.475 +21 08 08.30 V 703
2022-11-05 04:49:09 C 03 27 12.172 +21 07 46.52 V 703
2022-11-08 10:52:48 C 03 17 07.246 +18 10 36.12 V G96
2022-11-08 11:01:05 C 03 17 06.220 +18 10 18.01 V G96
2022-11-08 11:09:24 C 03 17 05.183 +18 09 59.72 V G96
2022-11-08 11:17:43 C 03 17 04.146 +18 09 41.54 V G96
2022-11-11 10:32:00 C 03 09 00.331 +15 42 48.53 V T08
2022-11-11 11:18:01 C 03 08 55.109 +15 41 17.63 V T08
2022-11-11 11:23:24 C 03 08 54.509 +15 41 07.19 V T08
2022-11-11 11:32:03 C 03 08 53.520 +15 40 50.30 V T08
2022-11-11 20:19:15 C 03 07 59.254 +15 23 31.72 X B72
2022-11-11 20:23:35 C 03 07 58.814 +15 23 23.31 X B72
2022-11-11 20:27:55 C 03 07 58.350 +15 23 15.17 X B72
2022-11-12 07:36:34 C 03 06 48.272 +15 02 02.40 V 703
2022-11-12 07:44:16 C 03 06 47.444 +15 01 46.63 V 703
2022-11-12 07:51:59 C 03 06 46.620 +15 01 32.70 V 703
2022-11-12 07:59:42 C 03 06 45.742 +15 01 18.08 V 703
2022-11-12 10:11:30 C 03 06 32.551 +14 57 13.32 V T08
2022-11-12 10:16:09 C 03 06 32.066 +14 57 04.82 V T08
2022-11-12 10:44:35 C 03 06 28.968 +14 56 10.97 V T08
2022-11-12 10:48:34 C 03 06 28.560 +14 56 02.98 V T08
2022-11-12 10:51:58 C 03 06 28.186 +14 55 56.78 V T08
2022-11-12 10:52:38 C 03 06 28.097 +14 55 55.34 V T08
2022-11-13 11:39:10 C 03 04 00.060 +14 09 59.58 V T08
2022-11-13 11:43:49 C 03 03 59.558 +14 09 51.62 V T08
2022-11-13 12:20:58 C 03 03 55.687 +14 08 43.37 V T08
2022-11-13 12:30:58 C 03 03 54.754 +14 08 26.02 V T08
2022-11-14 08:14:55 C 03 02 03.737 +13 33 11.56 V T05
2022-11-14 08:17:31 C 03 02 03.454 +13 33 07.16 V T05
2022-11-14 08:22:05 C 03 02 03.043 +13 32 59.21 V T05
2022-11-14 08:37:01 C 03 02 01.536 +13 32 33.25 V T05
2022-11-16 08:16:42 C 02 57 46.526 +12 12 08.71 V G96
2022-11-16 08:24:10 C 02 57 45.860 +12 11 56.76 V G96
2022-11-16 08:31:37 C 02 57 45.184 +12 11 44.56 V G96
2022-11-16 08:39:04 C 02 57 44.518 +12 11 32.50 V G96
2022-11-16 11:00:33 C 02 57 32.743 +12 07 50.27 V T08
2022-11-16 11:19:58 C 02 57 30.984 +12 07 18.70 V T08
2022-11-16 11:42:17 C 02 57 28.992 +12 06 41.98 V T08
2022-11-16 11:50:08 C 02 57 28.318 +12 06 29.77 V T08
2022-11-18 06:44:42 C 02 54 02.552 +11 00 09.90 V 703
2022-11-18 06:52:15 C 02 54 02.034 +10 59 58.81 V 703
2022-11-18 06:59:51 C 02 54 01.440 +10 59 48.08 V 703
2022-11-18 07:07:27 C 02 54 00.821 +10 59 36.24 V 703
2022-11-19 08:30:09 C 02 52 08.249 +10 22 58.66 V T08
2022-11-19 08:31:06 C 02 52 08.208 +10 22 56.64 V T05