450263 (2003 WD158)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4091625420 ± 1.52e-08
Semi-major axis (a)1.4263477944 AU ± 1.46e-09
Inclination (i)16.72793841° ± 7.91e-07
Long. of Asc. Node (Ω)92.19813289° ± 5.62e-07
Arg. of Perihelion (ω)102.36816257° ± 3.09e-06
Mean Anomaly (M)248.55192838° ± 1.20e-06
Mean Motion (n)0.5785942639°/day ± 8.91e-10
Perihelion dist (q)0.84273971 AU ± 2.17e-08
Aphelion dist (Q)2.00995588 AU ± 2.18e-08
Orbital Period1.70348437 yr ± 2.62e-09
Physical Parameters
H (abs. magnitude)18.80
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.544″
Uncertainty0
Orbit TypeApollo
MOID0.046080 AU
Observations Used5311
Radar Obs Used4
Oppositions7
Arc Total2003-2026
First Observation Used2003-11-30
Last Observation Used2026-01-22
Observations (10017)
Date Type RA Dec Mag Band Observatory
2021-06-30 20:10:43 v 1 055.57620 -21.19285 247
2021-06-30 20:11:15 V 18 38 19.73 -40 28 48.6 15.4 V 247
2021-06-30 20:11:15 v 1 055.57620 -21.19285 247
2021-06-30 20:11:47 V 18 38 19.67 -40 28 48.4 15.2 V 247
2021-06-30 20:11:47 v 1 055.57620 -21.19285 247
2021-06-30 20:12:18 V 18 38 16.93 -40 28 58.3 15.3 V 247
2021-06-30 20:12:18 v 1 055.57620 -21.19285 247
2021-06-30 20:12:50 V 18 38 19.64 -40 28 53.3 15.4 V 247
2021-06-30 20:12:50 v 1 055.57620 -21.19285 247
2021-06-30 20:13:22 V 18 38 19.51 -40 28 54.0 15.4 V 247
2021-06-30 20:13:22 v 1 055.57620 -21.19285 247
2021-06-30 20:13:54 V 18 38 19.44 -40 28 55.0 15.3 V 247
2021-06-30 20:13:54 v 1 055.57620 -21.19285 247
2021-06-30 20:14:57 V 18 38 19.33 -40 28 59.3 16.2 V 247
2021-06-30 20:14:57 v 1 055.57620 -21.19285 247
2021-06-30 20:15:29 V 18 38 19.24 -40 29 00.5 16.1 V 247
2021-06-30 20:15:29 v 1 055.57620 -21.19285 247
2021-06-30 20:16:01 V 18 38 19.19 -40 29 01.8 16.6 V 247
2021-06-30 20:16:01 v 1 055.57620 -21.19285 247
2021-06-30 20:16:33 V 18 38 19.14 -40 29 04.0 17.1 V 247
2021-06-30 20:16:33 v 1 055.57620 -21.19285 247
2021-06-30 20:17:04 V 18 38 19.09 -40 29 05.4 19.9 V 247
2021-06-30 20:17:04 v 1 055.57620 -21.19285 247
2021-07-01 18:34:59 V 18 36 33.63 -41 34 50.0 16.3 V 247
2021-07-01 18:34:59 v 1 055.57605 -21.19280 247
2021-07-01 18:35:39 V 18 36 33.55 -41 34 52.6 16.5 V 247
2021-07-01 18:35:39 v 1 055.57605 -21.19280 247
2021-07-01 18:36:18 V 18 36 33.44 -41 34 54.0 15.9 V 247
2021-07-01 18:36:18 v 1 055.57605 -21.19280 247
2021-07-01 18:36:58 V 18 36 33.41 -41 34 56.9 16.4 V 247
2021-07-01 18:36:58 v 1 055.57605 -21.19280 247
2021-07-01 18:38:17 V 18 36 33.30 -41 35 00.2 16.2 V 247
2021-07-01 18:38:17 v 1 055.57605 -21.19280 247
2021-07-01 18:38:57 V 18 36 33.22 -41 35 01.5 15.9 V 247
2021-07-01 18:38:57 v 1 055.57605 -21.19280 247
2021-07-01 18:39:37 V 18 36 33.17 -41 35 03.8 15.9 V 247
2021-07-01 18:39:37 v 1 055.57605 -21.19280 247
2021-07-01 18:40:17 V 18 36 33.12 -41 35 06.1 15.9 V 247
2021-07-01 18:40:17 v 1 055.57605 -21.19280 247
2021-07-01 18:40:56 V 18 36 32.98 -41 35 07.8 15.8 V 247
2021-07-01 18:40:56 v 1 055.57605 -21.19280 247
2021-07-01 18:41:36 V 18 36 32.95 -41 35 09.8 16.0 V 247
2021-07-01 18:41:36 v 1 055.57605 -21.19280 247
2021-07-01 18:42:16 V 18 36 32.92 -41 35 11.7 16.3 V 247
2021-07-01 18:42:16 v 1 055.57605 -21.19280 247
2021-07-01 18:43:35 V 18 36 32.77 -41 35 15.3 16.5 V 247
2021-07-01 18:43:35 v 1 055.57605 -21.19280 247
2021-07-01 18:44:15 V 18 36 32.69 -41 35 17.4 16.8 V 247
2021-07-01 18:44:15 v 1 055.57605 -21.19280 247
2021-07-01 18:47:33 V 18 36 32.40 -41 35 26.7 16.7 V 247
Radar Observations (4)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2021-06-12 04:20:00 330282.96 0.04 Hz 8560 -14 -14
2021-06-12 04:40:00 57906827.55 1 us 8560 -14 -14
2021-06-12 14:10:00 270117.786 0.04 Hz 8560 -14 -14
2021-06-12 15:10:00 56587103.74 0.125 us 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m)