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
2012-09-14 03:02:44 C 23 53 05.70 +16 46 34.6 t J04
2012-09-15 05:57:03 C 23 51 45.92 +16 36 44.7 o 926
2012-09-15 06:13:51 C 23 51 45.05 +16 36 38.8 o 926
2012-09-15 06:30:48 C 23 51 44.18 +16 36 32.5 o 926
2012-09-16 06:00:28 C 23 50 34.50 +16 27 41.4 18.8 c 704
2012-09-16 06:20:48 C 23 50 33.40 +16 27 33.7 19.5 c 704
2012-09-16 06:41:43 C 23 50 32.33 +16 27 25.2 19.3 c 704
2012-09-16 07:02:25 C 23 50 31.25 +16 27 16.7 19.5 c 704
2012-09-16 07:22:50 C 23 50 30.23 +16 27 09.0 19.8 c 704
2012-09-16 09:41:03 C 23 50 23.17 +16 26 16.3 r 703
2012-09-16 09:52:31 C 23 50 22.48 +16 26 11.6 r 703
2012-09-16 10:03:57 C 23 50 21.98 +16 26 07.4 r 703
2012-09-16 10:15:30 C 23 50 21.37 +16 26 03.7 r 703
2012-10-06 03:31:01 C 23 30 51.15 +12 58 04.5 r 703
2012-10-06 03:40:39 C 23 30 50.83 +12 57 59.9 r 703
2012-10-06 03:50:19 C 23 30 50.50 +12 57 56.4 r 703
2012-10-06 03:59:56 C 23 30 50.29 +12 57 51.9 r 703
2012-10-07 06:22:34 c 23 30 03.886 +12 46 01.13 L F51
2012-10-07 06:41:55 c 23 30 03.300 +12 45 52.56 L F51
2012-10-07 07:05:08 c 23 30 02.591 +12 45 42.25 L F51
2012-10-07 07:24:26 c 23 30 01.996 +12 45 33.67 L F51
2012-10-07 22:46:43 C 23 29 35.89 +12 38 40.5 20.4 u J43
2012-10-07 23:05:40 C 23 29 35.35 +12 38 31.8 20.6 u J43
2012-10-07 23:24:35 C 23 29 34.77 +12 38 23.5 20.6 u J43
2012-10-07 23:43:35 C 23 29 34.16 +12 38 15.3 20.8 u J43
2014-12-26 09:01:12 C 09 21 34.47 +09 00 43.2 u H21
2014-12-26 09:19:15 C 09 21 34.09 +09 00 41.3 u H21
2014-12-26 09:35:49 C 09 21 33.73 +09 00 40.7 u H21
2015-01-22 13:28:32 C 09 00 27.851 +09 07 28.45 L F51
2015-01-22 13:46:15 C 09 00 27.048 +09 07 29.85 L F51
2015-01-22 14:03:58 C 09 00 26.251 +09 07 31.10 L F51
2015-01-26 12:07:31 C 08 56 09.528 +09 15 32.76 L F51
2015-01-26 12:27:17 C 08 56 08.560 +09 15 34.52 L F51
2015-01-26 12:47:10 C 08 56 07.628 +09 15 36.42 L F51
2015-02-19 06:51:51 C 08 29 03.878 +10 27 02.38 L F51
2015-02-19 07:10:24 C 08 29 03.044 +10 27 05.15 L F51
2015-02-19 07:47:21 C 08 29 01.363 +10 27 10.45 L F51
2016-10-08 09:43:37 C 02 59 01.103 +26 19 58.31 L F51
2016-10-08 09:59:51 C 02 59 00.441 +26 19 56.53 L F51
2016-10-08 10:16:11 C 02 58 59.783 +26 19 54.40 L F51
2016-10-08 10:32:36 C 02 58 59.114 +26 19 52.07 L F51
2016-10-10 07:34:19 C 02 57 11.61 +26 13 28.3 u H21
2016-10-10 08:07:57 C 02 57 10.15 +26 13 23.1 u H21
2016-10-10 08:36:41 C 02 57 08.92 +26 13 18.3 u H21
2019-01-08 15:01:35 C 11 36 45.064 -07 11 19.55 U F51
2019-01-08 15:16:39 C 11 36 45.375 -07 11 25.06 U F51
2019-01-08 15:31:42 C 11 36 45.688 -07 11 30.74 U F51
2019-01-12 13:01:02 C 11 38 40.048 -07 46 14.51 U F51
2019-01-12 13:20:17 C 11 38 40.383 -07 46 21.42 U F51
2019-01-12 13:39:30 C 11 38 40.714 -07 46 28.66 U F51