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
2001-06-27 08:51:58 C 23 04 38.92 +03 34 51.0 649
2001-06-27 09:02:47 C 23 04 39.41 +03 35 00.5 649
2001-07-03 16:24:19 C 23 11 23.27 +05 47 02.4 c 413
2001-07-03 16:26:38 C 23 11 23.33 +05 47 04.0 c 413
2001-07-03 16:28:56 C 23 11 23.44 +05 47 06.4 c 413
2001-07-04 18:41:43 C 23 12 21.46 +06 08 34.5 m 413
2001-07-04 18:44:01 C 23 12 21.52 +06 08 36.4 m 413
2001-07-04 18:46:19 C 23 12 21.61 +06 08 38.3 m 413
2001-07-05 13:32:27 C 23 13 01.68 +06 23 32.3 20.7 c 608
2001-07-05 13:48:08 C 23 13 02.20 +06 23 45.3 20.0 c 608
2001-07-05 14:03:12 C 23 13 02.64 +06 23 57.4 19.8 c 608
2001-07-07 08:04:22 C 23 14 25.33 +06 56 56.5 d 649
2001-07-07 08:23:17 C 23 14 25.88 +06 57 10.4 d 649
2001-07-07 08:43:53 C 23 14 26.38 +06 57 27.6 d 649
2001-07-22 07:18:05 C 23 19 53.81 +10 49 52.8 c 699
2001-07-22 07:49:42 C 23 19 53.74 +10 50 09.3 c 699
2001-07-22 08:21:05 C 23 19 53.61 +10 50 25.9 c 699
2001-07-22 08:52:30 C 23 19 53.46 +10 50 42.4 c 699
2001-07-25 09:10:36 C 23 19 36.24 +11 25 28.1 d 711
2001-07-25 09:28:16 C 23 19 36.02 +11 25 36.2 d 711
2001-07-25 09:43:18 C 23 19 35.86 +11 25 42.8 d 711
2001-07-29 08:50:02 C 23 18 33.02 +12 04 31.8 18.7 c 704
2001-07-29 09:06:44 C 23 18 32.69 +12 04 39.0 18.8 c 704
2001-07-29 09:22:21 C 23 18 32.41 +12 04 44.8 18.9 c 704
2001-07-30 17:31:55 C 23 18 00.74 +12 16 18.4 m 413
2001-07-30 17:34:39 C 23 18 00.69 +12 16 19.5 m 413
2001-07-30 17:37:28 C 23 18 00.62 +12 16 20.4 m 413
2001-08-05 08:49:11 C 23 14 57.20 +12 53 21.9 c 649
2001-08-05 09:27:02 C 23 14 56.05 +12 53 30.1 c 649
2001-08-10 11:04:11 C 23 11 06.47 +13 12 28.7 18.6 c 644
2001-08-10 11:20:11 C 23 11 05.85 +13 12 30.2 18.5 c 644
2001-08-10 11:35:38 C 23 11 05.25 +13 12 31.3 18.6 c 644
2001-08-23 07:33:57 C 22 58 16.781 +12 59 12.91 645
2001-08-23 07:35:09 C 22 58 16.727 +12 59 12.76 645
2001-08-23 07:37:32 C 22 58 16.606 +12 59 12.29 645
2001-08-23 07:38:44 C 22 58 16.544 +12 59 12.05 645
2001-08-25 21:18:38 C 22 55 27.41 +12 46 47.2 i 163
2001-08-25 21:19:23 C 22 55 27.55 +12 46 48.3 i 163
2001-08-25 21:20:53 C 22 55 27.39 +12 46 46.6 i 163
2001-08-25 21:21:38 C 22 55 27.49 +12 46 47.7 i 163
2001-08-28 23:02:03 C 22 52 05.11 +12 28 28.8 c 046
2001-08-28 23:05:28 C 22 52 04.92 +12 28 27.7 c 046
2001-08-28 23:07:18 C 22 52 04.86 +12 28 26.8 c 046
2001-08-28 23:09:23 C 22 52 04.77 +12 28 26.0 c 046
2001-08-28 23:11:17 C 22 52 04.68 +12 28 25.7 c 046
2001-08-28 23:14:02 C 22 52 04.54 +12 28 24.9 c 046
2001-08-29 23:12:54 C 22 50 59.58 +12 21 41.5 c 046
2001-08-29 23:16:11 C 22 50 59.34 +12 21 40.4 c 046
2001-08-29 23:18:48 C 22 50 59.26 +12 21 39.9 c 046
2001-08-29 23:21:38 C 22 50 59.12 +12 21 39.2 c 046