415029 (2011 UL21)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6537389222 ± 3.55e-09
Semi-major axis (a)2.1223846854 AU ± 1.41e-09
Inclination (i)34.88596290° ± 1.62e-06
Long. of Asc. Node (Ω)275.31456377° ± 3.69e-07
Arg. of Perihelion (ω)284.98018604° ± 9.13e-07
Mean Anomaly (M)177.74570784° ± 2.01e-07
Mean Motion (n)0.3187690303°/day ± 3.18e-10
Perihelion dist (q)0.73489921 AU ± 7.55e-09
Aphelion dist (Q)3.50987016 AU ± 7.89e-09
Orbital Period3.09197629 yr ± 3.09e-09
Physical Parameters
H (abs. magnitude)15.93
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.218″
Uncertainty0
Orbit TypeApollo
MOID0.015855 AU
Observations Used3235
Radar Obs Used3
Oppositions24
Arc Total1989-2024
First Observation Used1989-10-29
Last Observation Used2024-09-28
Observations (4304)
Date Type RA Dec Mag Band Observatory
2024-07-06 09:36:42 v 1 175.46620 -37.91855 270
2024-07-06 20:02:50 C 16 39 32.01 +11 22 32.0 X G02
2024-07-06 20:08:27 C 16 39 33.52 +11 22 45.6 X G02
2024-07-06 20:14:03 C 16 39 35.02 +11 22 59.2 X G02
2024-07-06 20:23:47 C 16 39 37.781 +11 23 30.55 q K73
2024-07-06 20:25:35 C 16 39 38.230 +11 23 34.37 q K73
2024-07-06 20:27:09 C 16 39 38.926 +11 23 35.77 X M26
2024-07-06 20:27:24 C 16 39 38.726 +11 23 39.37 q K73
2024-07-06 20:29:13 C 16 39 39.221 +11 23 43.73 q K73
2024-07-06 20:31:01 C 16 39 39.701 +11 23 48.16 q K73
2024-07-06 20:32:51 C 16 39 40.181 +11 23 52.26 q K73
2024-07-06 20:34:40 C 16 39 40.675 +11 23 56.62 q K73
2024-07-06 20:39:46 C 16 39 42.290 +11 24 06.30 X M26
2024-07-06 20:49:26 C 16 39 44.858 +11 24 29.52 X M26
2024-07-06 21:32:23 C 16 39 55.75 +11 26 08.0 M32
2024-07-06 21:34:22 C 16 39 56.28 +11 26 12.8 M32
2024-07-06 21:36:20 C 16 39 56.81 +11 26 17.5 M32
2024-07-06 21:38:20 C 16 39 57.34 +11 26 22.3 M32
2024-07-06 21:41:07 C 16 39 58.08 +11 26 28.9 M32
2024-07-06 21:48:20 V 16 40 00.95 +11 26 46.5 V 270
2024-07-06 21:48:20 v 1 002.47000 +48.72000 270
2024-07-06 21:51:29 C 16 40 01.678 +11 26 51.94 Z C23
2024-07-06 21:54:36 V 16 40 02.65 +11 27 01.4 V 270
2024-07-06 21:54:36 v 1 002.47000 +48.72000 270
2024-07-06 22:00:52 V 16 40 04.29 +11 27 16.0 V 270
2024-07-06 22:00:52 v 1 002.47000 +48.72000 270
2024-07-06 22:02:34 V 16 40 04.65 +11 27 23.1 V 270
2024-07-06 22:02:34 v 1 001.64000 +44.87000 270
2024-07-06 22:07:09 V 16 40 05.97 +11 27 31.0 V 270
2024-07-06 22:07:09 v 1 002.47000 +48.72000 270
2024-07-06 22:18:02 C 16 40 08.990 +11 27 55.40 V J69
2024-07-06 22:25:54 C 16 40 10.805 +11 28 13.73 Z C23
2024-07-06 22:26:54 C 16 40 11.335 +11 28 16.25 V J69
2024-07-06 22:35:45 C 16 40 13.692 +11 28 37.52 V J69
2024-07-06 22:41:34 V 16 40 15.06 +11 28 50.6 V 270
2024-07-06 22:41:34 v 1 003.13809 +50.66053 270
2024-07-06 22:44:44 C 16 40 16.058 +11 28 58.37 V J69
2024-07-06 22:54:32 V 16 40 18.48 +11 29 20.8 V 270
2024-07-06 22:54:32 v 1 003.13809 +50.66053 270
2024-07-06 23:07:31 V 16 40 21.93 +11 29 51.3 V 270
2024-07-06 23:07:31 v 1 003.13809 +50.66053 270
2024-07-06 23:14:47 C 16 40 23.741 +11 30 08.46 Z C23
2024-07-06 23:20:21 V 16 40 25.28 +11 30 21.2 V 270
2024-07-06 23:20:21 v 1 003.13809 +50.66053 270
2024-07-07 01:54:13 B 16 41 05.58 +11 36 38.4 Z21
2024-07-07 02:07:03 B 16 41 08.91 +11 37 07.5 Z21
2024-07-07 08:53:53 C 16 42 57.274 +11 52 22.33 V T05
2024-07-07 08:56:41 C 16 42 57.890 +11 52 29.53 V T08
2024-07-07 08:58:49 C 16 42 58.450 +11 52 32.92 V T05
2024-07-07 09:01:20 C 16 42 59.006 +11 52 39.54 V T08
Radar Observations (3)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2024-06-26 23:40:00 46095708 20 us 8560 -14 -14
2024-06-27 00:10:00 46009798 2 us 8560 -14 -14
2024-06-29 02:00:00 47980230.07 3 us 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m)