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
2024-08-18 20:24:36 C 17 06 02.083 -12 58 51.42 V M22
2024-08-18 20:44:45 C 17 05 57.878 -12 58 03.47 V M22
2024-08-20 07:32:25 C 16 58 59.647 -11 36 07.09 V T08
2024-08-20 07:43:14 C 16 58 57.468 -11 35 41.28 V T08
2024-08-20 08:02:24 C 16 58 53.611 -11 34 56.21 V T08
2024-08-22 19:35:55 C 16 47 35.002 -09 15 25.92 V M22
2024-08-22 19:40:27 C 16 47 34.147 -09 15 15.30 V M22
2024-08-22 19:48:22 C 16 47 32.664 -09 14 56.90 V M22
2024-08-22 20:06:08 C 16 47 29.335 -09 14 15.68 V M22
2024-08-23 11:51:59 B 16 44 37.24 -08 37 52.7 q Q73
2024-08-23 11:59:56 B 16 44 35.84 -08 37 34.5 q Q73
2024-08-23 12:07:44 B 16 44 34.38 -08 37 16.0 q Q73
2024-08-23 19:19:57 C 16 43 17.386 -08 21 06.98 q L05
2024-08-23 19:41:38 C 16 43 13.457 -08 20 17.27 q L05
2024-08-23 23:58:00 C 16 42 27.994 -08 10 07.97 V W68
2024-08-24 00:03:50 C 16 42 26.923 -08 09 54.54 V W68
2024-08-24 00:11:14 C 16 42 25.584 -08 09 37.58 V W68
2024-08-24 18:54:42 C 16 39 08.076 -07 27 19.51 V B38
2024-08-24 18:58:53 C 16 39 07.332 -07 27 10.01 V B38
2024-08-24 19:04:04 C 16 39 06.377 -07 26 57.91 V B38
2024-08-24 19:09:19 C 16 39 05.441 -07 26 46.07 V B38
2024-08-24 19:13:30 C 16 39 04.632 -07 26 36.82 V B38
2024-08-25 19:01:11 B 16 34 59.942 -06 32 55.86 V 160
2024-08-25 19:06:04 B 16 34 59.090 -06 32 45.31 V 160
2024-08-25 19:10:52 B 16 34 58.277 -06 32 34.66 V 160
2024-08-26 11:12:10 B 16 32 16.72 -05 56 25.4 q Q73
2024-08-26 11:20:00 B 16 32 15.39 -05 56 07.8 q Q73
2024-08-26 11:27:48 B 16 32 14.04 -05 55 50.6 q Q73
2024-08-27 05:48:14 C 16 29 13.570 -05 15 34.16 V T05
2024-08-27 05:52:31 C 16 29 12.847 -05 15 24.59 V T05
2024-08-27 06:00:06 C 16 29 11.578 -05 15 08.03 V T05
2024-08-27 06:23:01 C 16 29 07.742 -05 14 17.48 V T05
2024-08-29 01:10:27 C 16 22 19.68 -03 41 24.8 V W46
2024-08-29 01:14:38 C 16 22 19.01 -03 41 15.9 V W46
2024-08-29 01:21:35 C 16 22 17.91 -03 41 00.5 V W46
2024-08-30 10:19:03 B 16 17 15.76 -02 30 44.2 q Q73
2024-08-30 10:29:22 B 16 17 14.18 -02 30 22.6 q Q73
2024-08-30 10:39:40 B 16 17 12.60 -02 30 00.6 q Q73
2024-08-30 19:20:58 B 16 15 54.859 -02 12 11.81 V 160
2024-08-30 19:28:18 B 16 15 53.722 -02 11 56.76 V 160
2024-08-31 01:16:00 C 16 15 01.913 -01 59 29.87 V W68
2024-08-31 01:20:33 C 16 15 01.234 -01 59 20.65 V W68
2024-08-31 01:28:59 C 16 14 59.945 -01 59 03.08 V W68
2024-09-02 00:26:44 C 16 08 11.803 -00 22 52.79 V W68
2024-09-02 00:40:12 C 16 08 09.842 -00 22 25.82 V W68
2024-09-02 01:05:41 C 16 08 06.144 -00 21 34.20 V W68
2024-09-02 19:34:39 B 16 05 29.975 +00 15 07.79 V L92
2024-09-02 19:44:45 B 16 05 28.546 +00 15 27.36 V L92
2024-09-02 19:54:50 B 16 05 27.096 +00 15 47.64 V L92
2024-09-03 05:51:34 C 16 04 04.250 +00 35 34.98 V T05
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)