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
2011-10-03 10:07:14 C 04 28 57.71 +17 02 56.9 o H21
2014-01-01 10:36:33 C 11 20 04.43 +04 17 39.4 o 695
2014-01-01 10:42:01 C 11 20 04.67 +04 17 38.1 o 695
2014-01-01 10:47:29 C 11 20 04.93 +04 17 36.8 o 695
2014-01-01 10:53:22 C 11 20 05.18 +04 17 35.5 o 695
2014-01-01 10:58:48 C 11 20 05.43 +04 17 34.1 o 695
2014-01-01 11:04:17 C 11 20 05.72 +04 17 32.5 o 695
2014-01-30 11:18:57 C 11 42 41.77 +02 58 14.3 o 695
2014-01-30 11:24:40 C 11 42 41.81 +02 58 14.7 o 695
2014-01-30 11:30:23 C 11 42 41.86 +02 58 15.1 o 695
2014-02-28 09:45:02 C 11 28 43.257 +06 52 02.28 L F51
2014-02-28 10:02:50 C 11 28 42.093 +06 52 14.20 L F51
2014-02-28 10:38:41 C 11 28 39.740 +06 52 38.10 L F51
2014-03-05 11:36:11 C 11 20 32.729 +08 19 51.23 L F51
2014-03-05 11:53:58 C 11 20 31.293 +08 20 05.06 L F51
2014-03-05 12:11:45 C 11 20 29.839 +08 20 18.63 L F51
2014-03-10 05:58:13 C 11 11 17.49 +09 53 49.2 q G96
2014-03-10 06:10:12 C 11 11 16.36 +09 53 59.7 q G96
2014-03-10 06:22:09 C 11 11 15.26 +09 54 10.0 q G96
2014-03-10 06:34:06 C 11 11 14.07 +09 54 20.5 q G96
2014-03-11 05:14:23 C 11 09 13.93 +10 14 08.9 o 691
2014-03-11 05:40:00 C 11 09 11.54 +10 14 29.9 o 691
2014-03-20 11:20:17 C 10 47 04.930 +13 40 41.72 L F51
2014-03-20 11:36:17 C 10 47 03.105 +13 40 56.87 L F51
2014-03-20 11:53:05 C 10 47 01.171 +13 41 12.40 L F51
2014-03-20 12:09:42 C 10 46 59.263 +13 41 28.05 L F51
2014-03-28 04:05:00 C 10 26 42.31 +16 34 58.8 q G96
2014-03-28 04:11:34 C 10 26 41.54 +16 35 05.5 q G96
2014-03-28 04:18:09 C 10 26 40.70 +16 35 11.2 q G96
2014-03-28 04:24:44 C 10 26 39.94 +16 35 17.7 q G96
2014-04-08 03:54:34 C 09 58 32.96 +20 13 45.3 q G96
2014-04-08 04:08:28 C 09 58 31.46 +20 13 55.4 q G96
2014-04-08 04:22:22 C 09 58 29.93 +20 14 05.7 q G96
2014-04-08 04:36:16 C 09 58 28.44 +20 14 16.3 q G96
2014-09-04 13:56:33 C 03 58 38.898 +16 05 44.27 L F51
2014-09-04 14:12:40 C 03 58 38.694 +16 05 40.65 L F51
2014-09-04 14:28:45 C 03 58 38.500 +16 05 37.31 L F51
2014-10-14 11:41:40 C 03 02 32.89 +10 22 29.5 o 291
2014-10-14 11:47:41 C 03 02 32.28 +10 22 27.5 o 291
2014-10-14 11:53:40 C 03 02 31.62 +10 22 23.3 o 291
2014-10-23 11:34:58 C 02 39 59.50 +08 45 08.2 o 291
2014-10-23 11:37:36 C 02 39 59.12 +08 45 07.4 o 291
2014-10-23 11:40:13 C 02 39 58.87 +08 45 06.5 o 291
2014-10-24 11:46:50 C 02 37 31.31 +08 35 00.3 o 291
2014-10-24 11:49:30 C 02 37 31.03 +08 34 59.5 o 291
2014-10-24 11:52:09 C 02 37 30.74 +08 34 58.7 o 291
2014-10-25 08:15:56 C 02 35 28.29 +08 26 38.4 q G96
2014-10-25 08:24:42 C 02 35 27.36 +08 26 34.5 q G96
2014-10-25 08:33:27 C 02 35 26.40 +08 26 30.8 q G96
2014-10-25 08:42:13 C 02 35 25.50 +08 26 27.5 q G96