458732 (2011 MD5)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6024873041 ± 3.48e-09
Semi-major axis (a)2.4853802860 AU ± 2.20e-09
Inclination (i)10.54945834° ± 9.45e-07
Long. of Asc. Node (Ω)170.31558211° ± 1.43e-06
Arg. of Perihelion (ω)224.91505542° ± 2.32e-06
Mean Anomaly (M)191.95003688° ± 4.62e-07
Mean Motion (n)0.2515492358°/day ± 3.34e-10
Perihelion dist (q)0.98797022 AU ± 8.70e-09
Aphelion dist (Q)3.98279035 AU ± 9.35e-09
Orbital Period3.91822412 yr ± 5.20e-09
Physical Parameters
H (abs. magnitude)17.81
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.236″
Uncertainty0
Orbit TypeApollo
MOID0.060254 AU
Observations Used1339
Radar Obs Used1
Oppositions9
Arc Total2011-2024
First Observation Used2011-06-30
Last Observation Used2024-04-10
Observations (1733)
Date Type RA Dec Mag Band Observatory
2011-12-13 10:31:37 C 21 12 16.68 -18 26 43.5 r E12
2011-12-13 10:38:46 C 21 12 17.78 -18 26 40.5 r E12
2012-02-06 00:33:26 C 01 18 32.34 -02 44 11.8 u H21
2012-02-06 00:44:32 C 01 18 34.48 -02 44 00.0 u H21
2012-02-22 18:37:52 C 02 35 46.63 +04 03 46.7 t 204
2012-02-22 19:00:04 C 02 35 50.75 +04 04 07.4 t 204
2012-02-22 19:23:22 C 02 35 55.11 +04 04 30.1 t 204
2012-04-17 03:40:56 C 06 04 37.90 +16 27 40.2 o 291
2012-04-17 03:43:24 C 06 04 38.26 +16 27 39.4 o 291
2012-04-17 03:45:57 C 06 04 38.53 +16 27 41.1 o 291
2015-05-18 07:50:01 C 19 27 02.46 -06 38 07.4 t 705
2015-05-18 07:51:53 C 19 27 02.47 -06 38 06.7 t 705
2015-05-18 07:53:45 C 19 27 02.48 -06 38 06.2 t 705
2015-06-18 09:03:55 C 19 16 41.40 -03 42 17.9 o 291
2015-06-18 09:09:12 C 19 16 41.21 -03 42 17.2 o 291
2015-08-04 22:15:54 C 18 14 12.17 -05 12 21.4 q 204
2015-08-04 22:20:14 C 18 14 12.02 -05 12 22.8 q 204
2015-08-04 22:40:54 C 18 14 10.84 -05 12 30.0 q 204
2015-08-04 22:58:17 C 18 14 10.03 -05 12 36.6 q 204
2015-08-04 23:11:14 C 18 14 09.31 -05 12 40.5 q 204
2015-11-21 00:14:26 C 20 45 14.90 -23 38 57.9 u 807
2015-11-21 00:17:55 C 20 45 15.49 -23 38 58.2 u 807
2015-11-21 00:21:36 C 20 45 16.11 -23 38 58.6 u 807
2015-11-21 00:25:06 C 20 45 16.68 -23 38 59.3 u 807
2015-11-21 00:28:38 C 20 45 17.30 -23 38 58.7 u 807
2015-12-06 00:39:30 C 21 52 52.99 -23 22 58.7 u 807
2015-12-06 00:43:39 C 21 52 53.82 -23 22 57.7 u 807
2015-12-06 00:48:00 C 21 52 54.69 -23 22 56.9 u 807
2015-12-06 00:51:57 C 21 52 55.46 -23 22 55.8 u 807
2015-12-06 00:56:19 C 21 52 56.35 -23 22 55.1 u 807
2015-12-07 00:59:40 C 21 57 50.87 -23 17 23.1 u 807
2015-12-07 01:03:50 C 21 57 51.70 -23 17 21.9 u 807
2015-12-07 01:08:11 C 21 57 52.56 -23 17 21.0 u 807
2015-12-07 01:12:09 C 21 57 53.37 -23 17 19.9 u 807
2015-12-07 01:16:31 C 21 57 54.26 -23 17 18.4 u 807
2015-12-30 00:47:35 C 00 00 15.89 -17 51 30.2 u 807
2015-12-30 00:50:58 C 00 00 16.69 -17 51 26.6 u 807
2015-12-30 00:54:29 C 00 00 17.51 -17 51 22.9 u 807
2015-12-30 00:57:41 C 00 00 18.24 -17 51 20.0 u 807
2015-12-30 01:01:12 C 00 00 19.04 -17 51 16.8 u 807
2015-12-31 00:50:41 C 00 05 50.66 -17 28 11.6 u 807
2015-12-31 00:53:47 C 00 05 51.37 -17 28 08.8 u 807
2015-12-31 00:57:06 C 00 05 52.12 -17 28 05.5 u 807
2015-12-31 01:00:25 C 00 05 52.88 -17 28 02.0 u 807
2015-12-31 01:03:19 C 00 05 53.57 -17 27 58.8 u 807
2016-01-09 00:44:17 C 00 55 42.85 -13 29 51.0 u 807
2016-01-09 00:46:41 C 00 55 43.39 -13 29 48.2 u 807
2016-01-09 00:49:24 C 00 55 44.00 -13 29 44.7 u 807
2016-01-09 00:51:46 C 00 55 44.53 -13 29 41.7 u 807
2016-01-09 00:54:39 C 00 55 45.19 -13 29 38.2 u 807
Radar Observations (1)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2023-09-28 11:30:00 87104586.38 4 us 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m)