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
2017-08-01 00:31:09 C 06 33 08.98 +49 44 09.4 o L52
2017-08-01 00:32:40 C 06 33 09.71 +49 44 08.0 o L52
2017-08-01 00:34:11 C 06 33 10.51 +49 44 05.8 o L52
2017-08-01 00:55:12 C 06 33 20.91 +49 43 40.3 o L52
2017-08-01 00:58:18 C 06 33 22.36 +49 43 36.5 o L52
2017-08-01 01:01:31 C 06 33 24.05 +49 43 32.0 o L52
2017-08-01 01:03:01 C 06 33 24.75 +49 43 30.4 o L52
2017-08-01 01:04:33 C 06 33 25.48 +49 43 28.6 o L52
2019-06-29 22:36:27 C 18 53 54.01 -51 52 20.4 o K95
2019-06-29 22:47:17 C 18 53 52.67 -51 52 19.5 o K95
2019-07-11 04:14:30 S 18 20 12.252 -50 53 34.80 V C57
2019-07-11 04:14:30 s 1 -86250.596 0 +401642.81 3170.0 C57
2019-07-11 04:44:30 S 18 20 08.290 -50 53 15.29 V C57
2019-07-11 04:44:30 s 1 -87199.115 0 +401358.59 7520.0 C57
2019-07-11 10:14:30 S 18 19 28.922 -50 51 21.38 V C57
2019-07-11 10:14:30 s 1 -97518.814 0 +397745.65 4700.0 C57
2019-07-15 23:44:30 S 18 06 19.997 -50 09 25.27 V C57
2019-07-15 23:44:30 s 1 -202608.17 6 +126224.40 2670.0 C57
2019-07-16 00:14:30 S 18 06 15.648 -50 09 16.88 V C57
2019-07-16 00:14:30 s 1 -202163.71 1 +123974.95 5540.0 C57
2019-07-16 02:44:30 S 18 05 57.557 -50 08 13.78 V C57
2019-07-16 02:44:30 s 1 -199669.19 9 +112565.74 7610.0 C57
2019-07-16 06:14:30 S 18 05 31.754 -50 06 42.52 V C57
2019-07-16 06:14:30 s 1 -195356.55 1 +96140.355 5590.0 C57
2019-07-16 07:14:29 S 18 05 24.643 -50 06 15.19 V C57
2019-07-16 07:14:29 s 1 -193933.78 4 +91351.163 640.0 C57
2019-07-16 07:44:30 S 18 05 22.025 -50 06 05.69 V C57
2019-07-16 07:44:30 s 1 -193188.69 5 +88940.691 990.0 C57
2019-07-16 09:44:30 S 18 05 06.823 -50 05 19.68 V C57
2019-07-16 09:44:30 s 1 -189973.67 7 +79194.119 2250.0 C57
2019-07-16 18:14:30 S 18 04 05.006 -50 01 53.54 V C57
2019-07-16 18:14:30 s 1 -171455.12 2 +36028.234 5860.0 C57
2019-07-16 18:44:30 S 18 04 01.078 -50 01 39.25 V C57
2019-07-16 18:44:30 s 1 -170081.23 8 +33411.680 4080.0 C57
2019-07-16 19:14:29 S 18 03 57.197 -50 01 19.96 V C57
2019-07-16 19:14:29 s 1 -168671.21 6 +30788.087 400.0 C57
2020-03-08 07:42:02 C 04 03 20.41 -82 29 07.3 q E89
2020-03-08 07:52:44 C 04 03 31.08 -82 28 57.6 q E89
2020-03-08 08:03:17 C 04 03 41.56 -82 28 48.4 q E89
2020-03-16 00:01:12 S 06 06 27.866 -78 38 52.26 L C51
2020-03-16 01:35:27 S 06 07 06.787 -78 36 36.07 L C51
2020-03-16 04:43:46 S 06 08 23.237 -78 32 03.84 L C51
2020-03-16 18:52:13 S 06 13 55.740 -78 11 31.09 L C51
2020-03-17 01:09:02 S 06 16 17.786 -78 02 24.47 L C51
2020-03-17 04:17:21 S 06 17 27.254 -77 57 49.86 L C51
2020-03-17 07:25:40 S 06 18 35.822 -77 53 14.60 L C51
2020-03-17 10:34:10 S 06 19 43.555 -77 48 39.24 L C51
2020-03-17 13:42:29 S 06 20 50.467 -77 44 04.02 L C51
2020-03-17 16:50:48 S 06 21 56.621 -77 39 28.22 L C51
2020-04-11 08:53:07 C 08 09 55.82 -64 07 19.0 q E89
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)