414990 (2011 EM51)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3352098485 ± 2.17e-08
Semi-major axis (a)1.3214754275 AU ± 2.01e-09
Inclination (i)1.86470160° ± 1.95e-06
Long. of Asc. Node (Ω)134.14661157° ± 1.07e-04
Arg. of Perihelion (ω)142.28664846° ± 1.06e-04
Mean Anomaly (M)185.00843238° ± 1.12e-05
Mean Motion (n)0.6488191180°/day ± 1.48e-09
Perihelion dist (q)0.87850385 AU ± 2.87e-08
Aphelion dist (Q)1.76444701 AU ± 2.88e-08
Orbital Period1.51910795 yr ± 3.47e-09
Physical Parameters
H (abs. magnitude)21.90
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.330″
Uncertainty0
Orbit TypeApollo
MOID0.013195 AU
Observations Used270
Oppositions3
Arc Total2011-2020
First Observation Used2011-03-10
Last Observation Used2020-10-11
Observations (273)
Date Type RA Dec Mag Band Observatory
2011-03-10 10:25:45 C 13 39 26.52 -04 34 06.5 o 691
2011-03-10 10:51:12 C 13 39 28.03 -04 34 03.3 o 691
2011-03-10 11:16:39 C 13 39 29.47 -04 33 59.2 o 691
2011-03-10 12:14:17 C 13 39 32.90 -04 33 50.8 o 291
2011-03-10 12:19:40 C 13 39 33.25 -04 33 49.9 o 291
2011-03-10 12:25:06 C 13 39 33.56 -04 33 49.1 o 291
2011-03-11 10:19:26 C 13 41 01.79 -04 30 35.2 o 291
2011-03-11 10:25:09 C 13 41 02.17 -04 30 34.0 o 291
2011-03-11 10:30:33 C 13 41 02.42 -04 30 34.6 o 291
2011-03-13 07:21:32 C 13 44 05.84 -04 22 48.7 o H21
2011-03-13 07:32:32 C 13 44 06.51 -04 22 46.7 o H21
2011-03-13 07:43:32 C 13 44 07.20 -04 22 44.6 o H21
2011-03-13 07:54:19 C 13 44 07.85 -04 22 42.6 o H21
2011-03-13 09:21:06 C 13 44 13.38 -04 22 25.5 u H36
2011-03-13 09:32:25 C 13 44 14.14 -04 22 23.0 u H36
2011-03-13 10:14:07 C 13 44 17.11 -04 22 12.3 o 291
2011-03-13 10:19:37 C 13 44 17.47 -04 22 11.0 o 291
2011-03-13 10:25:44 C 13 44 17.83 -04 22 09.8 o 291
2011-03-13 10:39:12 C 13 44 18.28 -04 22 09.9 u H36
2011-03-14 06:45:25 C 13 45 44.44 -04 18 01.1 o 291
2011-03-14 06:50:50 C 13 45 44.78 -04 17 59.6 o 291
2011-03-14 06:56:14 C 13 45 45.13 -04 17 58.4 o 291
2011-03-14 10:14:23 C 13 45 57.57 -04 17 17.4 o 691
2011-03-14 10:39:49 C 13 45 59.14 -04 17 11.8 o 691
2011-03-14 11:05:16 C 13 46 00.75 -04 17 06.2 o 691
2011-03-17 06:20:18 C 13 50 55.37 -04 00 34.7 o H21
2011-03-17 06:34:43 C 13 50 56.36 -04 00 30.8 o H21
2011-03-17 06:49:16 C 13 50 57.32 -04 00 26.9 o H21
2011-03-18 08:03:29 C 13 52 52.76 -03 53 00.4 u 448
2011-03-18 08:44:09 C 13 52 55.56 -03 52 48.0 u 448
2011-03-18 09:24:52 C 13 52 58.32 -03 52 35.8 u 448
2011-03-24 11:20:36 C 14 05 25.36 -02 54 49.2 o 291
2011-03-24 11:29:24 C 14 05 26.11 -02 54 44.8 o 291
2011-03-24 11:34:44 C 14 05 26.58 -02 54 42.0 o 291
2011-03-25 03:00:47 C 14 06 56.71 -02 46 58.3 v 204
2011-03-25 03:28:54 C 14 06 59.23 -02 46 43.6 v 204
2011-03-25 10:38:23 C 14 07 41.84 -02 42 48.5 r 703
2011-03-25 10:48:31 C 14 07 42.96 -02 42 42.6 r 703
2011-03-25 10:58:43 C 14 07 43.75 -02 42 37.0 r 703
2011-03-25 11:08:44 C 14 07 44.50 -02 42 31.0 r 703
2011-03-25 11:21:30 C 14 07 45.74 -02 42 24.3 o 291
2011-03-25 11:26:51 C 14 07 46.25 -02 42 21.0 o 291
2011-03-25 11:32:02 C 14 07 46.72 -02 42 18.7 o 291
2011-03-27 09:58:17 C 14 12 38.16 -02 15 24.2 r G96
2011-03-27 10:09:47 C 14 12 39.27 -02 15 17.1 r G96
2011-03-27 10:21:25 C 14 12 40.39 -02 15 09.7 r G96
2011-03-27 10:33:03 C 14 12 41.54 -02 15 02.5 r G96
2011-03-27 10:46:34 C 14 12 42.65 -02 14 53.8 u 448
2011-03-27 10:59:58 C 14 12 43.97 -02 14 46.0 u 448
2011-03-27 11:08:32 C 14 12 44.82 -02 14 40.4 u 448