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
2022-11-19 09:21:28 C 02 52 04.262 +10 21 44.64 V T08
2022-11-19 09:22:14 C 02 52 04.224 +10 21 44.75 V T05
2022-11-19 09:25:56 C 02 52 03.943 +10 21 39.31 V T08
2022-11-19 09:50:31 C 02 52 02.033 +10 21 05.08 V T05
2022-11-19 09:52:59 C 02 52 01.920 +10 21 00.97 V T08
2022-11-19 09:57:56 C 02 52 01.438 +10 20 54.17 V T05
2022-11-21 05:35:06 C 02 49 03.097 +09 22 02.68 V 703
2022-11-21 05:42:38 C 02 49 02.622 +09 21 53.06 V 703
2022-11-21 05:50:10 C 02 49 02.118 +09 21 43.52 V 703
2022-11-21 05:57:41 C 02 49 01.542 +09 21 33.77 V 703
2022-11-23 09:06:18 C 02 45 55.279 +08 19 10.31 V T08
2022-11-23 09:11:42 C 02 45 54.989 +08 19 02.10 V T08
2022-11-23 09:20:21 C 02 45 54.391 +08 18 52.96 V T08
2022-11-23 10:08:59 C 02 45 51.358 +08 17 58.60 V T08
2022-11-23 12:32:59 C 02 45 44.376 +08 15 24.48 V P07
2022-11-23 13:36:22 C 02 45 40.546 +08 14 12.66 V P07
2022-11-23 14:39:05 C 02 45 36.648 +08 13 01.56 V P07
2022-11-23 15:33:23 C 02 45 33.384 +08 11 59.60 V P07
2022-11-23 16:36:30 C 02 45 29.503 +08 10 47.17 V P07
2022-11-23 17:37:41 C 02 45 25.774 +08 09 37.48 V P07
2022-11-24 05:35:55 C 02 44 47.533 +07 55 56.17 V 703
2022-11-24 05:43:30 C 02 44 47.108 +07 55 48.00 V 703
2022-11-24 05:51:05 C 02 44 46.594 +07 55 39.14 V 703
2022-11-24 05:58:40 C 02 44 46.234 +07 55 31.15 V 703
2022-11-25 08:40:02 C 02 43 23.629 +07 26 58.09 U F51
2022-11-25 08:56:32 C 02 43 22.723 +07 26 40.85 U F51
2022-11-25 09:13:03 C 02 43 21.817 +07 26 23.76 U F51
2022-12-01 04:58:09 C 02 37 46.542 +05 22 51.31 V G96
2022-12-01 05:06:11 C 02 37 46.268 +05 22 45.52 V G96
2022-12-01 05:14:15 C 02 37 45.980 +05 22 39.32 V G96
2022-12-01 05:22:19 C 02 37 45.707 +05 22 33.60 V G96
2025-01-03 13:50:36 C 10 51 09.124 -21 55 38.18 X F51
2025-01-03 14:05:32 C 10 51 09.391 -21 55 51.11 X F51
2025-01-03 14:20:30 C 10 51 09.665 -21 56 04.42 X F51
2025-04-01 01:31:57 C 08 22 07.315 -30 20 34.58 V W68
2025-04-01 01:59:51 C 08 22 03.842 -30 19 50.70 V W68
2025-04-01 02:12:55 C 08 22 02.201 -30 19 29.78 V W68
2025-04-01 02:21:35 C 08 22 01.205 -30 19 16.97 V W68
2025-04-01 02:37:05 C 08 21 59.191 -30 18 52.24 V W68
2025-11-28 10:29:27 C 05 36 08.842 +04 58 52.19 X F51
2025-11-28 10:48:16 C 05 36 06.931 +04 58 39.16 X F51
2025-11-28 11:07:09 C 05 36 05.010 +04 58 26.05 X F51
2025-11-28 11:25:45 C 05 36 03.108 +04 58 13.08 X F51
2025-12-01 09:13:10 C 05 29 09.042 +04 11 17.81 X F52
2025-12-01 09:46:54 C 05 29 05.596 +04 10 56.19 X F52
2025-12-01 10:03:55 C 05 29 03.856 +04 10 45.25 X F52
2025-12-09 10:45:46 C 05 10 09.985 +02 21 15.80 X F51
2025-12-09 11:03:20 C 05 10 08.261 +02 21 07.22 X F51
2025-12-09 11:20:48 C 05 10 06.532 +02 20 58.97 X F51
2025-12-09 11:38:07 C 05 10 04.821 +02 20 50.45 X F51