2011 EP40

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2816153233 ± 7.94e-08
Semi-major axis (a)1.0806757819 AU ± 1.64e-09
Inclination (i)16.78105795° ± 9.31e-06
Long. of Asc. Node (Ω)145.16410694° ± 1.18e-05
Arg. of Perihelion (ω)180.83232811° ± 2.95e-05
Mean Anomaly (M)246.40540545° ± 4.05e-05
Mean Motion (n)0.8773424592°/day ± 1.99e-09
Perihelion dist (q)0.77634092 AU ± 8.58e-08
Aphelion dist (Q)1.38501064 AU ± 8.59e-08
Orbital Period1.12342253 yr ± 2.55e-09
Physical Parameters
H (abs. magnitude)21.10
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.217″
Uncertainty0
Orbit TypeApollo
MOID0.237306 AU
Observations Used64
Oppositions2
Arc Total2002-2022
First Observation Used2002-02-22
Last Observation Used2022-01-07
Observations (67)
Date Type RA Dec Mag Band Observatory
2020-03-15 07:40:51 C 11 44 51.89 +32 52 52.1 V G96
2020-03-16 07:44:36 C 11 42 35.31 +33 39 37.7 V 703
2020-03-16 07:59:51 C 11 42 33.70 +33 40 06.3 V 703
2020-03-16 08:07:28 C 11 42 32.92 +33 40 21.9 V 703
2020-04-11 05:19:35 C 10 48 00.08 +45 51 55.2 V G96
2020-04-11 05:27:07 C 10 47 59.59 +45 51 58.7 V G96
2020-04-11 05:34:39 C 10 47 59.13 +45 52 02.4 V G96
2020-04-11 05:42:12 C 10 47 58.59 +45 52 06.0 V G96
2021-02-06 04:57:17 C 07 27 36.58 +06 56 28.3 V G96
2021-02-06 05:04:41 C 07 27 36.00 +06 56 41.3 V G96
2021-02-06 05:12:06 C 07 27 35.42 +06 56 54.8 V G96
2021-02-06 05:19:31 C 07 27 34.86 +06 57 07.8 V G96
2021-12-16 01:56:31 C 00 40 16.28 -43 35 38.4 W84
2021-12-16 02:20:47 C 00 40 22.08 -43 34 45.4 W84
2022-01-07 02:13:31 C 02 15 44.06 -23 43 18.6 o 291
2022-01-07 02:33:18 C 02 15 46.71 -23 42 35.8 o 291
2022-01-07 02:53:00 C 02 15 49.31 -23 41 51.0 o 291