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
2011-04-08 23:34:11 C 15 04 04.74 +03 11 28.9 u 157
2011-04-08 23:37:01 C 15 04 05.46 +03 11 34.1 u 157
2011-04-08 23:39:32 C 15 04 06.11 +03 11 38.5 u 157
2011-04-10 01:17:43 C 15 11 31.35 +04 00 01.1 c A24
2011-04-10 01:18:47 C 15 11 31.66 +04 00 03.2 c A24
2011-04-10 02:27:22 C 15 11 51.38 +04 02 19.9 c A24
2011-04-10 02:28:26 C 15 11 51.67 +04 02 22.1 c A24
2011-04-11 00:02:41 C 15 18 53.65 +04 47 27.6 c A24
2011-04-11 00:03:13 C 15 18 53.81 +04 47 28.9 c A24
2011-04-11 00:03:46 C 15 18 53.95 +04 47 29.5 c A24
2011-04-11 00:51:12 C 15 19 09.20 +04 49 13.7 c A24
2011-04-11 01:14:56 C 15 19 16.73 +04 50 05.9 c A24
2011-04-12 08:54:48 C 15 30 55.21 +06 04 36.1 u H36
2011-04-12 08:56:03 C 15 30 55.65 +06 04 39.1 u H36
2011-04-12 08:57:17 C 15 30 56.12 +06 04 42.4 u H36
2011-04-12 08:58:32 C 15 30 56.60 +06 04 45.4 u H36
2011-04-12 08:59:47 C 15 30 57.07 +06 04 48.7 u H36
2011-04-13 03:23:02 C 15 38 41.01 +06 52 30.6 o H26
2011-04-13 03:24:21 C 15 38 41.54 +06 52 33.9 o H26
2011-04-13 03:29:47 C 15 38 43.83 +06 52 49.7 o H26
2011-04-15 22:40:19 C 16 13 30.58 +10 21 54.4 u B67
2011-04-15 22:50:45 C 16 13 36.78 +10 22 32.0 u B67
2011-04-15 23:00:51 C 16 13 42.81 +10 23 08.1 u B67
2011-04-16 17:04:25 C 16 25 18.99 +11 29 39.1 o 300
2011-04-16 17:05:46 C 16 25 19.83 +11 29 44.1 o 300
2011-04-16 17:07:05 C 16 25 20.66 +11 29 48.9 o 300
2011-04-16 17:08:25 C 16 25 21.55 +11 29 54.0 o 300
2011-04-18 00:26:11 C 16 48 23.96 +13 32 54.1 u 160
2011-04-18 00:28:21 C 16 48 25.62 +13 33 02.8 u 160
2011-04-18 00:30:30 C 16 48 27.24 +13 33 11.7 u 160
2011-04-19 00:34:05 C 17 08 49.79 +15 14 03.2 u 160
2011-04-19 00:36:25 C 17 08 51.80 +15 14 13.4 u 160
2011-04-19 00:38:46 C 17 08 53.84 +15 14 23.3 u 160
2011-04-20 00:36:47 C 17 31 39.58 +16 56 58.8 u 160
2011-04-20 00:38:01 C 17 31 40.83 +16 57 04.5 u 160
2011-04-20 00:40:12 C 17 31 42.90 +16 57 13.1 u 160
2011-04-21 00:37:26 C 17 56 53.05 +18 37 33.3 u 160
2011-04-21 00:41:00 C 17 56 56.85 +18 37 48.1 u 160
2011-04-21 00:42:41 C 17 56 58.64 +18 37 55.0 u 160
2011-04-22 00:02:13 C 18 23 34.74 +20 08 04.3 u B67
2011-04-22 00:06:15 C 18 23 39.40 +20 08 19.9 u B67
2011-04-22 00:10:13 C 18 23 43.97 +20 08 35.0 u B67
2011-04-22 00:48:36 C 18 24 28.37 +20 11 09.1 u 160
2011-04-22 00:51:14 C 18 24 31.41 +20 11 18.8 u 160
2011-04-22 00:53:25 C 18 24 33.90 +20 11 27.0 u 160
2011-10-02 09:09:52 C 04 29 40.85 +17 07 33.7 o H21
2011-10-02 09:33:10 C 04 29 40.10 +17 07 29.6 o H21
2011-10-02 09:58:17 C 04 29 39.35 +17 07 25.2 o H21
2011-10-03 09:18:24 C 04 28 59.38 +17 03 06.2 o H21
2011-10-03 09:42:30 C 04 28 58.56 +17 03 01.5 o H21