2017 MA4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7012870720 ± 5.83e-08
Semi-major axis (a)2.0614668225 AU ± 2.66e-08
Inclination (i)31.96934957° ± 2.22e-05
Long. of Asc. Node (Ω)244.11489285° ± 2.00e-05
Arg. of Perihelion (ω)153.35839564° ± 2.04e-05
Mean Anomaly (M)249.32823412° ± 1.79e-05
Mean Motion (n)0.3330026977°/day ± 6.45e-09
Perihelion dist (q)0.61578679 AU ± 1.21e-07
Aphelion dist (Q)3.50714685 AU ± 1.29e-07
Orbital Period2.95981471 yr ± 5.73e-08
Physical Parameters
H (abs. magnitude)18.60
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.320″
Uncertainty0
Orbit TypeApollo
MOID0.316720 AU
Observations Used95
Oppositions4
Arc Total2017-2023
First Observation Used2017-06-23
Last Observation Used2023-07-14
Observations (99)
Date Type RA Dec Mag Band Observatory
2017-06-23 08:23:32 C 16 24 34.454 -06 41 50.56 L F51
2017-06-23 08:43:35 C 16 24 32.937 -06 41 38.55 L F51
2017-06-23 09:23:43 C 16 24 29.892 -06 41 14.70 L F51
2017-06-24 05:36:12 C 16 23 00.24 -06 29 15.6 q 734
2017-06-24 05:45:43 C 16 22 59.58 -06 29 09.5 q 734
2017-06-24 05:55:13 C 16 22 58.83 -06 29 04.1 q 734
2017-06-24 11:29:55 C 16 22 34.066 -06 25 44.20 U 568
2017-06-24 11:31:20 C 16 22 33.958 -06 25 43.38 U 568
2017-06-24 11:32:46 C 16 22 33.852 -06 25 42.52 U 568
2017-06-26 02:52:33 C 16 19 42.75 -06 02 46.0 u H21
2017-06-26 03:12:25 C 16 19 41.26 -06 02 34.4 u H21
2017-06-26 03:35:45 C 16 19 39.49 -06 02 21.2 u H21
2017-06-27 04:27:57 C 16 17 52.81 -05 48 04.2 q 734
2017-06-27 04:39:22 C 16 17 51.85 -05 47 58.4 q 734
2017-06-27 05:47:16 C 16 17 47.19 -05 47 19.6 q I52
2017-06-27 05:56:53 C 16 17 46.47 -05 47 14.1 q I52
2017-06-29 04:13:39 C 16 14 32.47 -05 21 17.9 o 691
2017-06-29 04:34:02 C 16 14 31.03 -05 21 06.2 o 691
2017-06-29 04:54:48 C 16 14 29.53 -05 20 55.1 o 691
2017-06-30 03:48:42 C 16 12 55.53 -05 08 15.8 u 807
2017-06-30 03:56:19 C 16 12 54.99 -05 08 11.4 u 807
2017-06-30 04:04:09 C 16 12 54.42 -05 08 07.2 u 807
2017-06-30 04:23:45 C 16 12 53.33 -05 08 03.1 o 691
2017-06-30 04:44:24 C 16 12 51.96 -05 07 52.7 o 691
2017-06-30 05:05:39 C 16 12 50.45 -05 07 40.9 o 691
2017-07-01 04:28:45 C 16 11 16.24 -04 55 06.7 o 691
2017-07-01 04:55:18 C 16 11 14.47 -04 54 51.8 o 691
2017-07-02 01:27:39 C 16 09 53.25 -04 43 53.0 u 807
2017-07-02 01:36:47 C 16 09 52.60 -04 43 48.5 u 807
2017-07-02 01:44:37 C 16 09 52.08 -04 43 44.4 u 807
2017-07-02 06:22:59 C 16 09 33.67 -04 41 25.8 o 291
2017-07-02 06:35:28 C 16 09 32.86 -04 41 18.5 o 291
2017-07-02 06:47:56 C 16 09 32.05 -04 41 12.2 o 291
2017-07-15 02:49:03 C 15 52 19.58 -02 21 35.5 u H21
2017-07-15 03:12:55 C 15 52 18.44 -02 21 26.2 u H21
2017-07-15 03:36:30 C 15 52 17.32 -02 21 17.1 u H21
2017-07-18 02:26:06 C 15 49 13.97 -01 55 25.5 u 807
2017-07-18 02:38:59 C 15 49 13.45 -01 55 20.8 u 807
2017-07-18 02:51:27 C 15 49 12.91 -01 55 15.9 u 807
2017-07-19 01:09:59 C 15 48 19.85 -01 47 40.0 u 807
2017-07-19 01:22:32 C 15 48 19.35 -01 47 35.8 u 807
2017-07-19 01:34:38 C 15 48 18.84 -01 47 31.8 u 807
2017-07-21 02:48:53 C 15 46 29.16 -01 31 42.4 u H21
2017-07-21 03:15:13 C 15 46 28.19 -01 31 34.1 u H21
2017-07-21 03:46:17 C 15 46 27.05 -01 31 24.4 u H21
2017-07-25 02:49:11 C 15 43 26.02 -01 03 48.6 u H21
2017-07-25 02:54:43 C 15 43 25.84 -01 03 47.0 u H21
2017-07-25 03:03:29 C 15 43 25.59 -01 03 45.1 u H21
2017-08-21 23:50:47 C 15 40 02.82 +00 35 03.4 u 807
2017-08-22 00:06:37 C 15 40 03.06 +00 35 04.1 u 807