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
2024-06-29 19:56:51 B 14 31 36.952 -09 35 30.85 V L92
2024-06-29 19:57:16 B 14 31 37.681 -09 35 23.72 V L92
2024-06-29 19:57:17 C 14 31 37.99 -09 35 27.0 V C82
2024-06-29 19:57:46 B 14 31 38.602 -09 35 14.05 V L92
2024-06-29 19:58:16 B 14 31 39.535 -09 35 05.32 V L92
2024-06-29 19:58:47 B 14 31 40.476 -09 34 55.70 V L92
2024-06-29 19:59:06 C 14 31 41.40 -09 34 53.6 V C82
2024-06-29 19:59:17 B 14 31 41.432 -09 34 46.64 V L92
2024-06-29 19:59:48 B 14 31 42.364 -09 34 37.97 V L92
2024-06-29 20:00:14 C 14 31 43.48 -09 34 33.0 V C82
2024-06-29 20:00:18 B 14 31 43.314 -09 34 28.00 V L92
2024-06-29 20:00:49 B 14 31 44.217 -09 34 19.38 V L92
2024-06-29 20:01:19 B 14 31 45.173 -09 34 09.72 V L92
2024-06-29 20:01:50 B 14 31 46.118 -09 34 00.18 V L92
2024-06-29 20:02:21 B 14 31 47.062 -09 33 51.20 V L92
2024-06-29 20:02:51 B 14 31 47.978 -09 33 41.62 V L92
2024-06-29 20:03:22 B 14 31 48.945 -09 33 32.48 V L92
2024-06-29 20:03:52 B 14 31 49.893 -09 33 22.97 V L92
2024-06-29 20:04:23 B 14 31 50.837 -09 33 13.74 V L92
2024-06-29 20:04:53 B 14 31 51.759 -09 33 04.45 V L92
2024-06-29 20:05:24 B 14 31 52.771 -09 32 54.95 V L92
2024-06-29 20:05:55 B 14 31 53.636 -09 32 46.18 V L92
2024-06-29 20:06:25 B 14 31 54.565 -09 32 36.73 V L92
2024-06-29 20:06:56 B 14 31 55.531 -09 32 27.12 V L92
2024-06-29 20:09:33 C 14 31 59.85 -09 31 50.5 V L54
2024-06-29 20:23:32 C 14 32 26.42 -09 27 42.6 X G02
2024-06-29 20:30:22 C 14 32 39.02 -09 25 38.3 X G02
2024-06-29 20:37:01 C 14 32 51.23 -09 23 37.7 X G02
2024-06-29 21:24:11 n 14 34 19.18 -09 09 15.0 q 619
2024-06-29 21:24:50 n 14 34 20.37 -09 09 03.2 q 619
2024-06-29 21:25:28 n 14 34 21.53 -09 08 51.6 q 619
2024-06-29 21:32:31 n 14 34 34.35 -09 06 44.7 q 619
2024-06-29 21:33:04 n 14 34 35.33 -09 06 35.1 q 619
2024-06-29 21:33:36 n 14 34 36.29 -09 06 25.5 q 619
2024-06-29 22:31:50 C 14 36 22.346 -08 49 22.26 V Z80
2024-06-29 22:37:53 C 14 36 33.199 -08 47 34.37 V Z80
2024-06-29 22:43:57 C 14 36 44.088 -08 45 46.87 V Z80
2024-06-30 03:26:36 B 14 45 01.807 -07 24 28.26 X V72
2024-06-30 03:30:36 B 14 45 08.424 -07 23 21.59 X V72
2024-06-30 03:32:08 V 14 45 10.97 -07 22 36.8 V 270
2024-06-30 03:32:08 v 1 262.25298 +30.53191 270
2024-06-30 03:34:36 B 14 45 15.036 -07 22 14.48 X V72
2024-06-30 03:44:39 V 14 45 31.54 -07 19 08.5 V 270
2024-06-30 03:44:39 v 1 262.25298 +30.53191 270
2024-06-30 03:57:49 V 14 45 53.14 -07 15 28.6 V 270
2024-06-30 03:57:49 v 1 262.25298 +30.53191 270
2024-06-30 04:10:55 V 14 46 14.65 -07 11 47.3 V 270
2024-06-30 04:10:55 v 1 262.25298 +30.53191 270
2024-06-30 04:52:16 V 14 47 22.30 -07 00 22.9 V 270
2024-06-30 04:52:16 v 1 262.17106 +30.43764 270
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)