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
2017-08-22 00:22:26 C 15 40 03.30 +00 35 05.2 u 807
2017-10-12 02:04:40 C 16 39 26.42 +00 32 26.5 o 691
2017-10-12 02:14:50 C 16 39 27.21 +00 32 26.8 o 691
2018-01-16 04:25:07 C 04 43 59.90 -80 19 50.9 u 807
2018-01-16 04:29:34 C 04 44 03.53 -80 19 40.7 u 807
2018-01-16 04:31:48 C 04 44 05.29 -80 19 35.3 u 807
2018-01-16 04:34:02 C 04 44 07.00 -80 19 29.7 u 807
2018-01-16 04:35:49 C 04 44 08.17 -80 19 25.8 u 807
2018-01-29 06:21:09 S 06 18 58.702 -68 22 53.58 L C51
2018-01-29 15:46:40 S 06 20 05.645 -68 03 34.56 L C51
2020-05-24 09:31:11 C 17 37 45.74 -11 28 57.9 V V06
2020-05-24 09:33:20 C 17 37 45.62 -11 28 56.6 V V06
2020-05-24 09:35:28 C 17 37 45.53 -11 28 54.7 V V06
2020-06-10 09:34:01 C 17 09 13.95 -06 39 37.4 V I52
2020-06-10 09:38:05 C 17 09 13.67 -06 39 34.7 V I52
2020-06-10 09:40:30 C 17 09 13.42 -06 39 32.8 V I52
2020-06-10 09:42:55 C 17 09 13.23 -06 39 30.8 V I52
2020-06-15 09:01:25 C 16 59 29.405 -05 10 47.62 U F52
2020-06-15 09:18:33 C 16 59 27.953 -05 10 35.05 U F52
2020-06-15 09:35:41 C 16 59 26.490 -05 10 22.32 U F52
2020-06-15 09:52:50 C 16 59 25.052 -05 10 09.65 U F52
2020-10-16 02:19:01 C 16 40 28.33 +06 02 02.3 U I41
2020-10-16 02:25:48 C 16 40 28.79 +06 02 02.5 U I41
2020-10-16 02:32:35 C 16 40 29.22 +06 02 01.8 U I41
2020-10-16 02:39:23 C 16 40 29.61 +06 02 01.7 U I41
2020-10-20 01:45:42 C 16 46 32.21 +05 56 59.6 V G96
2020-10-20 01:51:53 C 16 46 32.58 +05 56 58.6 V G96
2020-10-20 01:58:04 C 16 46 32.94 +05 56 57.7 V G96
2020-10-20 02:04:14 C 16 46 33.33 +05 56 57.7 V G96
2021-01-10 14:29:19 C 11 00 29.26 -66 04 04.5 t 474
2021-01-10 14:32:22 C 11 00 28.37 -66 04 04.6 t 474
2021-01-10 14:35:24 C 11 00 27.65 -66 04 04.9 t 474
2021-02-07 11:54:42 C 08 59 19.45 -60 14 34.7 V 474
2021-02-07 11:59:46 C 08 59 18.83 -60 14 29.1 V 474
2021-02-07 12:04:50 C 08 59 18.27 -60 14 24.1 V 474
2021-02-07 12:09:54 C 08 59 17.73 -60 14 18.8 V 474
2023-06-11 03:52:26 C 17 32 19.59 -02 50 18.4 u 807
2023-06-11 03:54:48 C 17 32 19.37 -02 50 16.5 u 807
2023-06-11 03:57:09 C 17 32 19.17 -02 50 14.5 u 807
2023-07-06 06:43:34 C 16 38 08.036 +05 44 31.48 X F52
2023-07-06 07:18:36 C 16 38 04.862 +05 44 56.70 X F52
2023-07-06 07:36:22 C 16 38 03.257 +05 45 09.65 X F52
2023-07-12 08:24:30 C 16 25 47.777 +07 22 17.79 X F51
2023-07-12 08:43:08 C 16 25 46.223 +07 22 29.28 X F51
2023-07-12 09:01:34 C 16 25 44.706 +07 22 40.67 X F51
2023-07-12 09:20:07 C 16 25 43.146 +07 22 52.19 X F51
2023-07-14 08:33:50 C 16 21 58.903 +07 51 14.58 X F51
2023-07-14 08:55:07 C 16 21 57.241 +07 51 27.31 X F51
2023-07-14 09:12:50 C 16 21 55.903 +07 51 38.12 X F51