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
2020-04-11 09:04:44 C 08 09 57.13 -64 07 05.0 q E89
2020-04-11 09:16:39 C 08 09 58.41 -64 06 49.8 q E89
2020-04-11 09:26:42 C 08 09 59.71 -64 06 36.8 q E89
2020-04-22 00:42:08 C 08 37 52.27 -59 12 33.4 q X74
2020-04-22 00:48:56 C 08 37 52.93 -59 12 26.3 q X74
2020-04-22 00:55:51 C 08 37 53.77 -59 12 17.4 q X74
2024-05-19 07:57:50 C 21 20 40.754 -34 05 21.70 V W68
2024-05-19 08:01:07 C 21 20 40.807 -34 05 20.90 V W68
2024-05-19 08:09:21 C 21 20 40.999 -34 05 20.22 V W68
2024-05-19 08:21:03 C 21 20 41.237 -34 05 19.68 V W68
2024-05-31 07:58:38 C 21 25 05.242 -33 56 30.70 V W68
2024-05-31 08:03:05 C 21 25 05.230 -33 56 30.98 V W68
2024-05-31 08:07:38 C 21 25 05.230 -33 56 30.70 V W68
2024-05-31 08:16:09 C 21 25 05.352 -33 56 30.84 V W68
2024-06-05 13:27:52 C 21 25 20.366 -33 56 47.80 V T05
2024-06-05 13:32:26 C 21 25 20.342 -33 56 48.30 V T05
2024-06-05 13:40:48 C 21 25 20.194 -33 56 48.34 V T05
2024-06-05 14:04:37 C 21 25 20.172 -33 56 48.26 V T05
2024-06-08 07:03:57 C 21 24 58.027 -33 57 48.78 V W68
2024-06-08 07:09:58 C 21 24 57.950 -33 57 48.67 V W68
2024-06-08 07:11:15 C 21 24 57.922 -33 57 48.35 V W68
2024-06-17 08:27:18 C 21 20 42.552 -34 05 31.34 V W68
2024-06-17 09:05:27 C 21 20 41.232 -34 05 32.50 V W68
2024-06-17 09:41:34 C 21 20 40.022 -34 05 34.37 V W68
2024-06-17 10:17:52 C 21 20 38.767 -34 05 35.66 V W68
2024-06-20 06:21:17 C 21 18 10.421 -34 08 53.59 V W68
2024-06-20 06:24:35 C 21 18 10.279 -34 08 53.84 V W68
2024-06-20 06:28:30 C 21 18 10.123 -34 08 54.02 V W68
2024-06-20 06:37:13 C 21 18 09.744 -34 08 54.64 V W68
2024-06-27 01:20:30 C 21 09 27.461 -34 16 35.54 V M22
2024-06-27 02:07:55 C 21 09 24.149 -34 16 37.31 V M22
2024-06-27 02:12:32 C 21 09 23.808 -34 16 37.60 V M22
2024-06-27 02:20:39 C 21 09 23.230 -34 16 38.14 V M22
2024-06-29 05:49:07 C 21 05 41.510 -34 18 24.30 V W68
2024-06-29 05:53:43 C 21 05 41.158 -34 18 24.41 V W68
2024-06-29 05:57:40 C 21 05 40.846 -34 18 24.70 V W68
2024-06-29 06:07:06 C 21 05 40.080 -34 18 25.13 V W68
2024-06-30 12:20:12 C 21 03 15.140 -34 19 16.86 X F51
2024-06-30 12:34:10 C 21 03 13.931 -34 19 17.16 X F51
2024-06-30 12:48:11 C 21 03 12.720 -34 19 17.46 X F51
2024-06-30 13:02:10 C 21 03 11.511 -34 19 17.70 X F51
2024-07-01 02:03:07 C 21 02 05.438 -34 19 22.91 V M22
2024-07-01 02:07:21 C 21 02 05.062 -34 19 22.84 V M22
2024-07-01 02:17:14 C 21 02 04.181 -34 19 23.05 V M22
2024-07-01 02:31:23 C 21 02 02.923 -34 19 23.23 V M22
2024-07-02 05:42:48 C 20 59 38.681 -34 19 39.40 V W68
2024-07-02 05:46:51 C 20 59 38.302 -34 19 39.32 V W68
2024-07-02 05:59:25 C 20 59 37.118 -34 19 39.32 V W68
2024-07-03 05:37:40 C 20 57 23.450 -34 19 37.24 V W68
2024-07-03 05:40:17 C 20 57 23.194 -34 19 37.06 V W68
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)