877915 (2011 ME)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7271238481 ± 6.74e-08
Semi-major axis (a)1.3541709367 AU ± 1.92e-09
Inclination (i)24.84644231° ± 1.48e-05
Long. of Asc. Node (Ω)234.35811151° ± 1.74e-05
Arg. of Perihelion (ω)166.88299056° ± 1.84e-05
Mean Anomaly (M)13.40136252° ± 8.71e-06
Mean Motion (n)0.6254636042°/day ± 1.33e-09
Perihelion dist (q)0.36952095 AU ± 9.13e-08
Aphelion dist (Q)2.33882092 AU ± 9.13e-08
Orbital Period1.57583315 yr ± 3.35e-09
Physical Parameters
H (abs. magnitude)19.66
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.243″
Uncertainty0
Orbit TypeApollo
MOID0.307664 AU
Observations Used154
Oppositions5
Arc Total2010-2025
First Observation Used2010-03-26
Last Observation Used2025-07-15
Observations (160)
Date Type RA Dec Mag Band Observatory
2010-03-26 06:03:00 S 06 23 22.022 -35 00 23.72 L C51
2010-03-26 07:38:21 S 06 23 53.645 -34 57 47.38 L C51
2010-03-26 09:13:31 S 06 24 25.200 -34 55 10.49 L C51
2010-03-26 10:48:52 S 06 24 56.431 -34 52 32.48 L C51
2010-03-26 12:24:13 S 06 25 27.826 -34 49 57.11 L C51
2010-03-26 13:59:23 S 06 25 59.105 -34 47 22.52 L C51
2011-06-21 06:20:09 C 17 30 15.57 +38 06 02.4 18.5 c 704
2011-06-21 06:34:46 C 17 30 11.74 +38 07 07.6 19.0 c 704
2011-06-21 06:49:21 C 17 30 07.83 +38 08 13.9 19.5 c 704
2011-06-21 07:04:08 C 17 30 03.92 +38 09 19.6 19.5 c 704
2011-06-22 03:56:57 C 17 24 32.61 +39 43 13.2 r H17
2011-06-22 04:35:02 C 17 24 22.30 +39 45 59.7 r H17
2011-06-22 05:44:15 C 17 24 02.30 +39 51 16.5 u H36
2011-06-22 05:47:27 C 17 24 01.35 +39 51 30.3 u H36
2011-06-22 05:57:15 C 17 23 58.59 +39 52 14.2 u H36
2011-06-22 06:00:29 C 17 23 57.69 +39 52 29.6 u H36
2011-06-22 06:38:59 C 17 23 47.17 +39 55 24.4 19.3 c 704
2011-06-22 06:53:54 C 17 23 43.00 +39 56 33.1 20.0 c 704
2011-06-22 06:57:31 C 17 23 42.02 +39 56 48.6 c 854
2011-06-22 07:02:39 C 17 23 40.50 +39 57 10.8 c 854
2011-06-22 07:07:46 C 17 23 39.01 +39 57 34.9 c 854
2011-06-22 07:09:11 C 17 23 38.55 +39 57 40.8 19.9 c 704
2011-06-22 07:24:35 C 17 23 34.14 +39 58 50.5 19.8 c 704
2011-06-22 07:36:04 C 17 23 30.88 +39 59 41.0 19.2 c 704
2011-06-22 07:51:26 C 17 23 26.44 +40 00 50.8 19.3 c 704
2011-06-22 08:07:21 C 17 23 21.94 +40 02 01.0 19.5 c 704
2011-06-22 08:23:01 C 17 23 17.44 +40 03 11.4 19.8 c 704
2011-06-22 08:38:11 C 17 23 13.11 +40 04 19.0 19.4 c 704
2011-06-22 23:01:45 C 17 19 09.00 +41 09 00.4 u J95
2011-06-22 23:06:17 C 17 19 07.61 +41 09 21.2 u J95
2011-06-22 23:10:51 C 17 19 06.29 +41 09 41.3 u J95
2011-06-23 05:51:21 C 17 17 08.51 +41 39 48.2 u H36
2011-06-23 05:55:11 C 17 17 07.37 +41 40 05.3 u H36
2011-06-23 05:57:24 C 17 17 06.69 +41 40 15.4 u H36
2011-06-23 06:04:31 C 17 17 04.53 +41 40 47.4 u H36
2011-06-24 23:51:15 C 17 03 50.39 +44 47 19.4 v 204
2011-06-25 00:05:18 C 17 03 45.54 +44 48 21.3 v 204
2011-06-25 00:19:34 C 17 03 40.62 +44 49 24.1 v 204
2011-06-25 07:37:48 C 17 01 10.41 +45 21 39.8 o H21
2011-06-25 07:43:52 C 17 01 08.28 +45 22 05.9 o H21
2011-06-25 07:50:04 C 17 01 06.09 +45 22 32.8 o H21
2011-06-26 21:28:39 C 16 47 20.09 +48 05 57.3 o A17
2011-06-26 21:51:40 C 16 47 10.97 +48 07 35.6 o A17
2011-06-26 22:13:09 C 16 47 02.47 +48 09 06.9 o A17
2011-06-28 05:44:24 C 16 34 10.41 +50 20 58.5 o H21
2011-06-28 05:49:12 C 16 34 08.33 +50 21 18.0 o H21
2011-06-28 05:53:51 C 16 34 06.29 +50 21 37.0 o H21
2011-06-28 05:58:36 C 16 34 04.23 +50 21 56.2 o H21
2011-06-28 21:28:16 C 16 27 18.51 +51 24 30.7 o A17
2011-06-28 21:44:10 C 16 27 11.33 +51 25 33.6 o A17