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
2001-08-29 23:24:06 C 22 50 59.00 +12 21 38.2 c 046
2001-09-15 04:41:37 C 22 35 51.05 +09 57 04.5 19.2 c 644
2001-09-15 05:11:52 C 22 35 50.02 +09 56 51.6 19.1 c 644
2001-09-15 05:42:19 C 22 35 49.03 +09 56 39.1 19.0 c 644
2001-09-22 22:50:11 C 22 31 14.95 +08 38 22.4 c 113
2001-09-22 23:05:39 C 22 31 14.58 +08 38 16.2 c 113
2001-09-25 04:43:17 C 22 30 19.52 +08 16 10.1 19.8 c 704
2001-09-25 05:04:41 C 22 30 19.14 +08 16 02.0 19.5 c 704
2001-09-25 05:25:44 C 22 30 18.75 +08 15 53.2 19.7 c 704
2001-09-25 05:48:03 C 22 30 18.34 +08 15 44.0 19.7 c 704
2001-10-16 02:30:57 C 22 30 09.72 +05 25 13.8 d 691
2001-10-16 02:31:08 C 22 30 09.70 +05 25 14.1 d 291
2001-10-16 03:08:05 C 22 30 10.15 +05 25 04.5 d 691
2001-10-16 03:08:08 C 22 30 10.16 +05 25 04.5 d 291
2001-10-16 04:05:41 C 22 30 10.83 +05 24 49.6 d 691
2001-10-16 04:05:57 C 22 30 10.83 +05 24 49.7 d 291
2004-03-16 04:45:51 C 07 52 09.98 +13 28 27.8 d 291
2004-03-16 05:08:58 C 07 52 09.70 +13 28 29.2 d 291
2004-03-18 05:48:44 C 07 51 40.78 +13 31 58.0 d 291
2004-03-18 06:08:14 C 07 51 40.67 +13 31 58.9 d 291
2004-03-18 06:25:29 C 07 51 40.44 +13 32 01.1 d 291
2005-08-30 10:04:32 C 02 58 41.27 +26 00 34.6 d 291
2005-08-30 10:27:18 C 02 58 41.40 +26 00 37.1 d 291
2005-08-30 10:50:38 C 02 58 41.57 +26 00 39.8 d 291
2008-01-10 10:43:02 C 11 13 37.95 -04 47 02.3 o 291
2008-01-10 10:56:26 C 11 13 38.10 -04 47 06.5 o 291
2008-01-10 11:10:00 C 11 13 38.18 -04 47 10.0 o 291
2008-02-28 07:23:40 C 10 48 50.76 -07 17 58.2 r 703
2008-02-28 07:34:01 C 10 48 50.18 -07 17 56.0 r 703
2008-02-28 07:44:18 C 10 48 49.64 -07 17 55.0 r 703
2008-02-28 07:54:33 C 10 48 49.21 -07 17 53.1 r 703
2008-03-30 05:37:38 C 10 12 02.19 -04 20 20.1 r 703
2008-03-30 05:47:49 C 10 12 01.76 -04 20 15.4 r 703
2008-03-30 05:58:03 C 10 12 01.29 -04 20 12.0 r 703
2008-03-30 06:08:18 C 10 12 01.00 -04 20 09.0 r 703
2012-04-08 08:59:01 C 20 31 23.87 -21 03 19.3 o 807
2012-04-08 09:09:46 C 20 31 25.50 -21 03 10.3 o 807
2012-04-08 09:20:23 C 20 31 27.11 -21 03 01.3 o 807
2012-08-12 14:38:23 c 00 23 47.204 +18 06 05.23 L F51
2012-08-12 14:46:19 c 00 23 47.039 +18 06 06.61 L F51
2012-08-30 06:50:57 C 00 10 15.86 +18 16 33.7 u H21
2012-08-30 06:54:57 C 00 10 15.70 +18 16 33.2 u H21
2012-08-30 06:58:37 C 00 10 15.53 +18 16 32.8 u H21
2012-08-30 07:02:28 C 00 10 15.35 +18 16 32.0 u H21
2012-08-30 07:07:10 C 00 10 15.11 +18 16 31.4 u H21
2012-09-09 23:42:21 C 23 58 03.91 +17 19 33.7 u 621
2012-09-10 00:00:05 C 23 58 03.01 +17 19 28.3 u 621
2012-09-10 00:17:49 C 23 58 02.11 +17 19 22.8 u 621
2012-09-14 02:30:14 C 23 53 07.39 +16 46 46.4 t J04
2012-09-14 02:46:29 C 23 53 06.54 +16 46 40.6 t J04