5660 (1974 MA)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7619876248 ± 1.39e-08
Semi-major axis (a)1.7855677359 AU ± 5.75e-10
Inclination (i)38.14409051° ± 1.85e-06
Long. of Asc. Node (Ω)302.10920117° ± 2.25e-06
Arg. of Perihelion (ω)127.05563510° ± 2.86e-06
Mean Anomaly (M)163.32307503° ± 1.20e-06
Mean Motion (n)0.4130929482°/day ± 1.99e-10
Perihelion dist (q)0.42498722 AU ± 2.48e-08
Aphelion dist (Q)3.14614825 AU ± 2.48e-08
Orbital Period2.38596734 yr ± 1.15e-09
Physical Parameters
H (abs. magnitude)15.38
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.111″
Uncertainty0
Orbit TypeApollo
MOID0.162108 AU
Observations Used510
Radar Obs Used2
Gaia Obs Used51
Oppositions25
Arc Total1974-2024
First Observation Used1974-06-26
Last Observation Used2024-10-01
Observations (570)
Date Type RA Dec Mag Band Observatory
2005-07-10 09:16:37 C 22 44 34.40 -05 13 34.7 r 703
2005-07-10 09:25:51 C 22 44 34.54 -05 13 09.7 r 703
2005-07-24 00:16:51 C 22 50 11.72 +22 26 54.4 r 941
2005-07-24 00:17:03 C 22 50 11.72 +22 26 56.3 r 941
2005-07-24 00:17:28 C 22 50 11.72 +22 26 59.9 r 941
2005-07-24 00:18:29 C 22 50 11.72 +22 27 09.4 r 941
2005-07-24 00:18:42 C 22 50 11.73 +22 27 11.3 r 941
2005-07-26 23:19:38 C 22 50 59.49 +34 34 00.2 r A13
2005-07-26 23:20:24 C 22 50 59.49 +34 34 09.5 r A13
2005-07-26 23:21:35 C 22 50 59.49 +34 34 23.0 r A13
2005-07-26 23:23:10 C 22 50 59.49 +34 34 41.3 r A13
2005-07-26 23:25:47 C 22 50 59.50 +34 35 11.7 r A13
2005-07-28 21:01:40 C 22 51 28.27 +43 57 36.4 r A30
2005-07-28 21:02:06 C 22 51 28.27 +43 57 42.2 r A30
2005-07-28 21:02:32 C 22 51 28.27 +43 57 47.9 r A30
2005-07-28 21:02:57 C 22 51 28.27 +43 57 53.4 r A30
2005-07-28 21:04:09 C 22 51 28.27 +43 58 09.1 r A30
2005-07-28 21:04:33 C 22 51 28.28 +43 58 14.5 r A30
2005-07-28 22:15:55 C 22 51 28.63 +44 13 54.5 r A13
2005-07-28 22:16:58 C 22 51 28.63 +44 14 08.5 r A13
2005-07-28 22:18:07 C 22 51 28.63 +44 14 23.5 r A13
2005-07-28 22:23:44 C 22 51 28.65 +44 15 37.4 r A13
2005-07-28 22:26:41 C 22 51 28.65 +44 16 15.8 r A13
2005-08-17 23:04:51 C 10 46 59.62 +58 05 41.5 o A32
2005-08-17 23:08:06 C 10 46 59.64 +58 05 28.3 o A32
2005-08-17 23:11:18 C 10 46 59.68 +58 05 14.5 o A32
2005-08-17 23:14:33 C 10 46 59.55 +58 05 01.2 o A32
2005-08-19 20:15:31 C 10 46 21.95 +55 07 05.1 o 084
2005-08-19 20:16:59 C 10 46 21.98 +55 07 00.0 o 084
2008-04-26 08:56:12 C 07 38 28.47 -42 19 45.7 r 432
2008-04-26 09:12:55 C 07 38 31.09 -42 19 39.4 r 432
2008-04-26 09:42:02 C 07 38 35.84 -42 19 29.3 r 432
2008-04-27 08:24:01 C 07 42 16.45 -42 11 54.8 r 432
2008-04-27 08:44:43 C 07 42 19.76 -42 11 47.2 r 432
2008-04-27 09:05:17 C 07 42 22.96 -42 11 40.0 r 432
2012-05-22 10:10:02 C 20 56 04.74 -39 47 14.0 o 807
2012-05-22 10:28:24 C 20 56 04.74 -39 47 16.6 o 807
2012-05-24 09:54:49 C 20 56 03.10 -39 54 26.0 o 807
2012-05-24 10:03:58 C 20 56 03.05 -39 54 27.5 o 807
2012-05-24 10:13:51 C 20 56 03.02 -39 54 29.0 o 807
2012-05-24 10:25:52 C 20 56 02.98 -39 54 30.7 o 807
2012-06-05 09:07:37 C 20 51 54.35 -40 48 27.1 o 807
2012-06-05 09:13:27 C 20 51 54.16 -40 48 28.3 o 807
2012-06-05 09:19:17 C 20 51 54.01 -40 48 29.6 o 807
2012-06-05 09:25:07 C 20 51 53.83 -40 48 30.8 o 807
2012-06-05 09:30:57 C 20 51 53.63 -40 48 32.0 o 807
2012-06-05 09:59:39 C 20 51 52.80 -40 48 38.0 o 807
2012-07-08 05:56:41 C 19 47 23.48 -43 09 21.3 u 844
2012-07-08 06:01:18 C 19 47 22.83 -43 09 21.7 u 844
2012-07-08 06:06:31 C 19 47 22.00 -43 09 21.5 u 844
Radar Observations (4)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2005-07-25 06:18:00 285236.8573 1.5 Hz 2380 -1 -1
2005-07-25 07:10:00 224161128.6 5 us 2380 -1 -1
2005-07-25.262500 28523686 150 Hz 2380 251 251
2005-07-25.298611 22416112860 5000 us 2380 251 251
Station codes
-1 Arecibo (305-m, 1963–2020)