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
2015-12-02 08:08:32 C 07 21 33.12 -00 10 07.8 u H21
2015-12-02 08:21:25 C 07 21 32.39 -00 10 15.4 u H21
2015-12-02 08:35:33 C 07 21 31.62 -00 10 23.9 u H21
2016-01-30 03:04:05 C 05 40 42.66 -03 21 45.5 u H21
2016-01-30 03:38:21 C 05 40 41.29 -03 21 34.9 u H21
2016-01-30 04:11:20 C 05 40 39.99 -03 21 25.0 u H21
2022-10-01 12:18:46 C 06 18 54.336 +53 27 06.91 V T08
2022-10-01 12:45:59 C 06 18 47.102 +53 26 27.20 V T08
2022-10-01 13:07:03 C 06 18 41.494 +53 25 57.14 V T08
2022-10-01 13:14:29 C 06 18 39.559 +53 25 45.55 V T08
2022-10-04 03:00:09 C 06 03 07.72 +51 46 50.6 X C95
2022-10-04 03:04:37 C 06 03 06.54 +51 46 43.1 X C95
2022-10-04 03:09:06 C 06 03 05.41 +51 46 35.8 X C95
2022-10-04 03:13:33 C 06 03 04.24 +51 46 28.6 X C95
2022-10-04 03:17:17 C 06 03 03.38 +51 46 22.8 X C95
2022-10-12 12:35:12 C 05 14 53.654 +45 14 45.13 V T08
2022-10-12 12:37:52 C 05 14 52.958 +45 14 39.16 V T08
2022-10-12 12:39:52 C 05 14 52.464 +45 14 33.83 V T08
2022-10-12 12:43:51 C 05 14 51.509 +45 14 25.73 V T08
2022-10-12 13:22:57 C 05 14 42.012 +45 13 00.52 V T08
2022-10-17 13:24:23 C 04 47 50.059 +40 30 52.16 V T05
2022-10-17 13:28:57 C 04 47 49.034 +40 30 41.04 V T05
2022-10-17 13:37:58 C 04 47 46.968 +40 30 18.65 V T05
2022-10-17 13:53:14 C 04 47 43.454 +40 29 40.27 V T05
2022-10-18 12:15:20 C 04 42 55.344 +39 33 40.86 V T05
2022-10-18 12:18:36 C 04 42 54.634 +39 33 32.33 V T05
2022-10-18 12:23:09 C 04 42 53.549 +39 33 21.56 V T05
2022-10-18 12:57:42 C 04 42 45.775 +39 31 55.02 V T05
2022-10-19 12:10:30 C 04 37 50.280 +38 32 49.92 V T05
2022-10-19 12:13:07 C 04 37 49.754 +38 32 42.76 V T05
2022-10-19 12:39:03 C 04 37 43.982 +38 31 37.13 V T05
2022-10-19 12:46:14 C 04 37 42.377 +38 31 19.20 V T05
2022-10-19 13:13:12 C 04 37 36.348 +38 30 10.04 V T08
2022-10-19 13:17:52 C 04 37 35.311 +38 29 58.56 V T08
2022-10-19 13:25:44 C 04 37 33.610 +38 29 38.15 V T08
2022-10-19 14:11:36 C 04 37 23.434 +38 27 40.03 V T08
2022-10-20 07:04:17 C 04 33 53.593 +37 43 55.96 V 703
2022-10-20 07:11:56 C 04 33 52.074 +37 43 36.62 V 703
2022-10-20 07:27:16 C 04 33 48.776 +37 42 57.92 V 703
2022-10-20 13:42:28 C 04 32 28.862 +37 26 53.56 V T08
2022-10-20 13:48:32 C 04 32 27.566 +37 26 37.46 V T08
2022-10-20 13:58:40 C 04 32 25.322 +37 26 10.72 V T08
2022-10-20 14:48:58 C 04 32 14.374 +37 23 58.06 V T08
2022-10-21 11:32:12 C 04 28 00.787 +36 29 46.18 V T08
2022-10-21 11:34:51 C 04 28 00.214 +36 29 38.90 V T08
2022-10-21 12:03:18 C 04 27 54.134 +36 28 24.71 V T08
2022-10-21 12:14:36 C 04 27 51.751 +36 27 54.94 V T08
2022-10-23 12:38:27 C 04 18 09.974 +34 19 27.01 V T08
2022-10-23 12:42:31 C 04 18 09.120 +34 19 16.18 V T08
2022-10-23 12:50:37 C 04 18 07.450 +34 18 54.22 V T08