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
2024-07-03 05:44:53 C 20 57 22.726 -34 19 37.09 V W68
2024-07-03 05:53:19 C 20 57 21.883 -34 19 37.13 V W68
2024-07-06 05:09:19 C 20 49 52.318 -34 17 38.80 V W68
2024-07-06 05:13:24 C 20 49 51.840 -34 17 38.47 V W68
2024-07-06 05:18:49 C 20 49 51.216 -34 17 38.33 V W68
2024-07-06 10:41:11 C 20 49 14.445 -34 17 29.63 X F51
2024-07-06 10:56:06 C 20 49 12.678 -34 17 28.97 X F51
2024-07-06 11:11:05 C 20 49 10.899 -34 17 28.26 X F51
2024-07-06 11:25:58 C 20 49 09.134 -34 17 27.52 X F51
2024-07-07 05:14:26 C 20 47 03.830 -34 16 12.07 V W68
2024-07-07 05:17:02 C 20 47 03.511 -34 16 11.75 V W68
2024-07-07 05:21:47 C 20 47 02.935 -34 16 11.42 V W68
2024-07-07 05:32:15 C 20 47 01.639 -34 16 10.92 V W68
2024-07-14 04:01:50 C 20 23 27.962 -33 49 32.81 V W68
2024-07-14 04:05:50 C 20 23 27.281 -33 49 31.69 V W68
2024-07-14 04:11:16 C 20 23 26.371 -33 49 30.32 V W68
2024-07-14 04:19:14 C 20 23 25.039 -33 49 28.13 V W68
2024-07-15 04:10:41 C 20 19 24.857 -33 42 27.11 V W68
2024-07-15 04:13:17 C 20 19 24.413 -33 42 26.32 V W68
2024-07-15 04:20:40 C 20 19 23.102 -33 42 24.16 V W68
2024-07-15 04:28:28 C 20 19 21.734 -33 42 21.64 V W68
2024-07-18 03:05:37 C 20 06 33.905 -33 15 08.78 V W68
2024-07-18 03:17:23 C 20 06 31.615 -33 15 03.38 V W68
2024-07-18 03:20:42 C 20 06 30.972 -33 15 02.05 V W68
2024-07-18 03:32:01 C 20 06 28.762 -33 14 56.83 V W68
2024-07-21 12:23:49 B 19 50 06.02 -32 29 36.1 q Q73
2024-07-21 12:37:18 B 19 50 03.10 -32 29 27.3 q Q73
2024-07-21 12:50:40 B 19 50 00.15 -32 29 18.8 q Q73
2024-07-23 05:23:39 C 19 41 07.440 -31 59 48.66 V W68
2024-07-23 05:28:21 C 19 41 06.370 -31 59 44.88 V W68
2024-07-23 05:36:20 C 19 41 04.560 -31 59 38.58 V W68
2024-07-23 05:50:22 C 19 41 01.344 -31 59 27.31 V W68
2024-07-23 10:45:46 C 19 39 56.174 -31 55 30.29 V E62
2024-07-23 11:15:38 C 19 39 49.344 -31 55 06.74 V E62
2024-07-23 11:41:04 C 19 39 43.512 -31 54 46.69 V E62
2024-07-24 01:46:24 B 19 36 31.38 -31 43 07.8 Z X86
2024-07-24 01:55:26 B 19 36 29.26 -31 43 00.0 Z X86
2024-07-24 02:04:28 B 19 36 27.11 -31 42 52.4 Z X86
2024-07-25 00:39:48 B 19 31 14.04 -31 22 45.2 Z X86
2024-07-25 00:47:51 B 19 31 12.11 -31 22 37.7 Z X86
2024-07-25 00:55:53 B 19 31 10.18 -31 22 30.5 Z X86
2024-07-25 02:07:01 C 19 30 52.102 -31 21 18.76 V M22
2024-07-25 02:35:19 C 19 30 45.422 -31 20 51.43 V M22
2024-07-25 03:06:34 C 19 30 38.062 -31 20 21.34 V M22
2024-07-26 04:02:14 C 19 24 44.630 -30 56 05.78 V W68
2024-07-26 04:19:54 C 19 24 40.320 -30 55 47.57 V W68
2024-07-26 04:24:02 C 19 24 39.307 -30 55 43.36 V W68
2024-07-28 00:57:29 C 19 13 48.21 -30 06 42.1 834
2024-07-28 02:09:41 C 19 13 29.98 -30 05 16.7 834
2024-07-29 11:56:06 C 19 05 02.926 -29 23 15.14 V E62
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)