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
2014-06-01 04:36:42 C 15 52 04.89 -09 56 30.9 t H01
2014-06-01 04:55:03 C 15 52 02.87 -09 56 15.1 t H01
2014-06-03 10:01:31 C 15 46 20.079 -09 10 31.74 L F51
2014-06-03 10:19:50 C 15 46 18.046 -09 10 16.00 L F51
2014-06-03 10:38:07 C 15 46 16.044 -09 10 00.28 L F51
2014-06-25 10:35:02 C 14 55 43.804 -02 23 19.51 t 568
2014-06-25 10:37:41 C 14 55 43.598 -02 23 17.87 t 568
2018-04-16 03:56:25 C 11 05 23.49 -31 18 48.7 o 291
2018-04-16 04:24:34 C 11 05 22.53 -31 18 05.4 o 291
2019-05-05 10:56:10 C 21 11 55.83 +04 47 19.2 o 691
2019-05-05 11:08:28 C 21 11 57.89 +04 47 42.5 o 691
2019-05-05 11:20:46 C 21 11 59.95 +04 48 06.1 o 691
2021-03-23 02:51:49 C 04 34 30.54 -23 07 51.3 o 691
2021-03-23 02:56:43 C 04 34 32.46 -23 07 50.0 o 691
2021-03-23 03:01:36 C 04 34 34.40 -23 07 50.1 o 691
2022-05-28 23:32:32 C 17 51 49.89 +00 25 10.2 X C95
2022-05-29 00:06:43 C 17 51 46.72 +00 26 08.2 X C95
2022-06-06 16:35:07 C 17 28 41.66 +07 04 59.6 V D29
2022-06-06 16:54:13 C 17 28 39.06 +07 05 39.6 V D29
2022-06-08 07:34:41 C 17 23 20.062 +08 28 18.30 V G96
2022-06-08 07:42:12 C 17 23 18.956 +08 28 34.79 V G96
2022-06-08 07:49:44 C 17 23 17.873 +08 28 51.10 V G96
2022-06-08 07:57:17 C 17 23 16.753 +08 29 07.22 V G96
2022-06-08 09:36:06 C 17 23 03.078 +08 32 45.19 U F52
2022-06-08 09:48:08 C 17 23 01.305 +08 33 11.46 U F52
2022-06-08 10:00:11 C 17 22 59.546 +08 33 37.41 U F52
2022-06-08 10:12:13 C 17 22 57.770 +08 34 03.57 U F52
2022-06-16 15:12:51 C 16 50 22.49 +16 05 17.3 V D29
2022-06-16 15:31:24 C 16 50 18.88 +16 06 01.0 V D29
2022-06-19 22:32:16 C 16 34 43.82 +19 12 56.1 V K88
2022-06-19 22:35:50 C 16 34 43.08 +19 13 04.4 V K88
2022-06-19 22:39:24 C 16 34 42.38 +19 13 12.4 V K88
2022-06-27 05:29:42 C 15 55 49.998 +25 48 31.09 V U68
2022-06-27 05:34:31 C 15 55 48.830 +25 48 41.46 V U68
2022-06-27 06:04:31 C 15 55 41.572 +25 49 44.27 V U68
2022-06-27 06:09:20 C 15 55 40.408 +25 49 54.81 V U68
2022-06-28 07:28:04 C 15 49 37.978 +26 42 44.77 V U68
2022-06-28 07:32:53 C 15 49 36.698 +26 42 54.27 V U68
2022-06-28 08:03:33 C 15 49 29.295 +26 43 56.21 V U68
2022-06-28 08:08:22 C 15 49 27.978 +26 44 06.37 V U68
2022-06-29 05:12:10 C 15 44 23.780 +27 26 59.03 V G96
2022-06-29 05:19:43 C 15 44 21.908 +27 27 13.90 V G96
2022-06-29 05:27:16 C 15 44 20.022 +27 27 29.12 V G96
2022-06-29 05:34:49 C 15 44 18.143 +27 27 44.35 V G96
2022-07-06 04:50:24 C 15 02 40.441 +32 25 40.37 V G96
2022-07-06 04:57:53 C 15 02 38.519 +32 25 51.49 V G96
2022-07-06 05:05:21 C 15 02 36.571 +32 26 03.26 V G96
2022-07-06 05:49:29 C 15 02 25.246 +32 27 10.33 V 703
2022-07-06 05:57:03 C 15 02 23.240 +32 27 21.78 V 703
2022-07-06 06:12:11 C 15 02 19.338 +32 27 44.57 V 703