178871 (2001 MA8)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4642686057 ± 2.38e-08
Semi-major axis (a)2.3735929390 AU ± 3.76e-09
Inclination (i)7.61921542° ± 3.11e-06
Long. of Asc. Node (Ω)269.44908207° ± 3.98e-05
Arg. of Perihelion (ω)358.25246310° ± 4.15e-05
Mean Anomaly (M)255.75913365° ± 1.04e-05
Mean Motion (n)0.2695273952°/day ± 6.40e-10
Perihelion dist (q)1.27160825 AU ± 5.64e-08
Aphelion dist (Q)3.47557762 AU ± 5.67e-08
Orbital Period3.65686866 yr ± 8.69e-09
Physical Parameters
H (abs. magnitude)17.70
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.306″
Uncertainty0
Orbit TypeAmor
MOID0.254273 AU
Observations Used343
Oppositions32
Arc Total1979-2023
First Observation Used1979-07-21
Last Observation Used2023-11-13
Observations (363)
Date Type RA Dec Mag Band Observatory
1979-07-21 03:34:39 A 17 32 56.32 -13 16 16.9 17.5 809
2001-05-26 13:07:46 C 22 03 51.45 -09 59 44.5 o 608
2001-05-26 13:23:02 C 22 03 53.03 -09 59 27.5 o 608
2001-05-26 13:38:20 C 22 03 54.64 -09 59 08.8 o 608
2001-06-21 10:49:39 C 22 56 39.42 +01 20 05.8 19.1 c 644
2001-06-21 11:03:49 C 22 56 40.27 +01 20 19.7 18.8 c 644
2001-06-21 11:19:52 C 22 56 41.22 +01 20 35.5 18.7 c 644
2001-06-22 02:18:38 C 22 57 36.52 +01 35 15.2 493
2001-06-22 02:21:33 C 22 57 36.68 +01 35 17.9 493
2001-06-22 08:32:46 C 22 57 59.23 +01 41 21.1 19.5 c 644
2001-06-22 08:47:15 C 22 58 00.08 +01 41 35.2 20.3 c 644
2001-06-22 09:02:12 C 22 58 00.96 +01 41 49.7 19.6 c 644
2001-06-23 10:09:15 C 22 59 29.82 +02 06 07.8 711
2001-06-23 10:19:18 C 22 59 30.37 +02 06 17.2 711
2001-06-23 10:19:51 C 22 59 30.50 +02 06 17.8 19.0 c 644
2001-06-23 10:34:01 C 22 59 31.30 +02 06 31.4 18.7 c 644
2001-06-23 10:49:41 C 22 59 32.15 +02 06 46.3 18.9 c 644
2001-06-24 00:01:36 C 23 00 17.95 +02 19 27.2 046
2001-06-24 00:10:18 C 23 00 18.42 +02 19 29.2 046
2001-06-24 00:12:47 C 23 00 18.54 +02 19 32.6 046
2001-06-24 00:15:07 C 23 00 18.77 +02 19 34.7 046
2001-06-24 00:17:40 C 23 00 18.80 +02 19 37.2 046
2001-06-24 00:21:17 C 23 00 19.04 +02 19 40.2 046
2001-06-24 00:28:42 C 23 00 19.40 +02 19 47.5 557
2001-06-24 00:31:53 C 23 00 19.59 +02 19 50.6 557
2001-06-24 00:35:03 C 23 00 19.77 +02 19 53.2 557
2001-06-24 00:38:14 C 23 00 19.97 +02 19 56.2 557
2001-06-24 00:41:25 C 23 00 20.12 +02 19 59.0 557
2001-06-24 10:40:45 C 23 00 53.83 +02 29 33.4 711
2001-06-24 10:50:28 C 23 00 54.33 +02 29 43.1 711
2001-06-24 10:59:44 C 23 00 54.76 +02 29 51.7 711
2001-06-25 00:26:08 C 23 01 39.99 +02 42 29.6 046
2001-06-25 00:31:20 C 23 01 40.28 +02 42 33.7 046
2001-06-25 00:34:35 C 23 01 40.46 +02 42 37.3 557
2001-06-25 00:35:26 C 23 01 40.52 +02 42 38.4 046
2001-06-25 00:39:29 C 23 01 40.71 +02 42 43.2 046
2001-06-25 00:41:45 C 23 01 40.84 +02 42 44.9 046
2001-06-25 00:47:32 C 23 01 41.16 +02 42 50.9 557
2001-06-25 01:07:21 C 23 01 42.24 +02 43 07.7 557
2001-06-25 01:16:01 C 23 01 42.69 +02 43 17.1 557
2001-06-25 08:11:43 C 23 02 05.51 +02 49 49.6 649
2001-06-25 08:21:58 C 23 02 06.08 +02 49 58.4 649
2001-06-25 08:38:23 C 23 02 06.90 +02 50 14.3 649
2001-06-25 09:43:20 C 23 02 10.51 +02 51 17.6 711
2001-06-25 09:52:50 C 23 02 10.97 +02 51 26.0 711
2001-06-25 10:02:09 C 23 02 11.46 +02 51 35.2 711
2001-06-25 10:19:31 C 23 02 12.41 +02 51 50.8 19.4 c 644
2001-06-25 10:35:20 C 23 02 13.22 +02 52 05.8 19.0 c 644
2001-06-25 10:50:43 C 23 02 14.02 +02 52 20.1 18.7 c 644
2001-06-27 08:42:17 C 23 04 38.44 +03 34 42.4 649