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
2019-12-30 22:41:54 S 02 51 53.242 -22 11 47.00 L C51
2019-12-31 01:50:13 S 02 52 37.48 -22 04 52.9 L C51
2020-01-01 03:41:02 C 02 58 35.96 -21 08 22.6 V 703
2020-01-01 03:48:40 C 02 58 37.67 -21 08 05.7 V 703
2020-01-01 03:56:18 C 02 58 39.37 -21 07 49.1 V 703
2020-01-01 04:03:56 C 02 58 41.04 -21 07 32.2 V 703
2020-01-03 09:53:47 C 03 10 35.09 -19 09 28.5 V T08
2020-01-03 09:58:47 C 03 10 36.11 -19 09 17.7 V T08
2020-01-03 10:10:18 C 03 10 38.54 -19 08 52.2 V T08
2020-01-03 10:26:37 C 03 10 42.01 -19 08 16.6 V T08
2020-01-04 03:22:08 C 03 14 19.67 -18 31 33.4 V 703
2020-01-04 03:29:48 C 03 14 21.23 -18 31 15.9 V 703
2020-01-04 03:37:27 C 03 14 22.81 -18 30 59.8 V 703
2020-01-04 03:45:06 C 03 14 24.37 -18 30 43.2 V 703
2020-01-04 06:51:57 C 03 15 03.66 -18 23 54.0 V T08
2020-01-04 06:57:31 C 03 15 04.80 -18 23 42.0 V T08
2020-01-04 07:09:07 C 03 15 07.14 -18 23 16.5 V T08
2020-01-04 07:30:37 C 03 15 11.50 -18 22 30.1 V T08
2020-01-05 21:08:01 C 03 22 56.22 -17 01 28.9 V A16
2020-01-05 21:18:31 C 03 22 58.28 -17 01 05.3 V A16
2020-01-05 21:29:01 C 03 23 00.41 -17 00 43.6 V A16
2020-01-05 21:39:30 C 03 23 02.48 -17 00 20.7 V A16
2020-01-05 21:50:00 C 03 23 04.51 -16 59 57.6 V A16
2020-01-05 22:00:30 C 03 23 06.63 -16 59 34.7 V A16
2020-01-18 09:05:08 C 04 15 02.82 -07 11 39.5 V T05
2020-01-18 09:09:49 C 04 15 03.49 -07 11 31.7 V T05
2020-01-18 09:19:13 C 04 15 04.90 -07 11 14.8 V T05
2020-01-18 09:33:55 C 04 15 07.04 -07 10 49.1 V T05
2020-01-19 05:18:30 C 04 18 03.60 -06 36 30.0 V 703
2020-01-19 05:26:46 C 04 18 04.79 -06 36 15.4 V 703
2020-01-19 05:35:02 C 04 18 05.97 -06 36 01.2 V 703
2020-01-19 05:43:17 C 04 18 07.23 -06 35 46.6 V 703
2020-01-20 07:34:43 C 04 21 53.70 -05 51 36.6 V T08
2020-01-20 07:39:21 C 04 21 54.34 -05 51 28.7 V T08
2020-01-20 07:47:33 C 04 21 55.46 -05 51 14.9 V T08
2020-01-20 08:02:15 C 04 21 57.52 -05 50 50.2 V T08
2020-01-20 16:03:14 C 04 23 07.15 -05 37 23.1 18.5 q C97
2020-01-20 16:05:26 C 04 23 07.49 -05 37 19.6 18.7 q C97
2020-01-20 16:07:37 C 04 23 07.67 -05 37 16.2 18.7 q C97
2020-01-20 16:09:47 C 04 23 08.03 -05 37 12.9 18.7 q C97
2020-01-21 08:24:43 C 04 25 26.26 -05 10 12.6 V T05
2020-01-21 08:29:19 C 04 25 26.91 -05 10 04.7 V T05
2020-01-21 08:38:01 C 04 25 28.08 -05 09 50.4 V T05
2020-01-21 08:57:33 C 04 25 30.76 -05 09 17.7 V T05
2020-01-22 07:18:37 C 04 28 39.09 -04 32 50.8 V T05
2020-01-22 07:23:54 C 04 28 39.79 -04 32 42.6 V T05
2020-01-22 07:31:53 C 04 28 40.88 -04 32 29.5 V T05
2020-01-22 07:50:54 C 04 28 43.40 -04 31 59.1 V T05
2020-01-24 05:18:04 C 04 34 55.36 -03 20 15.9 V 703
2020-01-24 05:26:19 C 04 34 56.45 -03 20 02.8 V 703
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)