2011 ES4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2432277815 ± 1.23e-07
Semi-major axis (a)1.0962059043 AU ± 1.10e-08
Inclination (i)3.37003682° ± 9.50e-06
Long. of Asc. Node (Ω)339.79415185° ± 1.02e-05
Arg. of Perihelion (ω)274.80298345° ± 1.84e-05
Mean Anomaly (M)254.32867023° ± 3.23e-05
Mean Motion (n)0.8587644757°/day ± 1.29e-08
Perihelion dist (q)0.82957817 AU ± 1.35e-07
Aphelion dist (Q)1.36283363 AU ± 1.36e-07
Orbital Period1.14772596 yr ± 1.73e-08
Physical Parameters
H (abs. magnitude)25.90
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.309″
Uncertainty0
Orbit TypeApollo
MOID0.000013 AU
Observations Used140
Oppositions1
Arc Total2011-2020
First Observation Used2011-02-23
Last Observation Used2020-09-12
Observations (145)
Date Type RA Dec Mag Band Observatory
2020-09-06 03:10:54 C 20 49 50.07 -07 38 56.1 V W34
2020-09-06 04:03:15 C 20 50 41.84 -07 33 29.2 q 734
2020-09-06 04:07:26 C 20 50 45.52 -07 33 02.9 q 734
2020-09-06 04:11:34 C 20 50 49.09 -07 32 35.3 q 734
2020-09-06 04:15:50 C 20 50 52.88 -07 32 07.3 q 734
2020-09-06 05:55:15 C 20 52 21.89 -07 20 51.0 V H06
2020-09-06 06:03:54 C 20 52 29.17 -07 19 55.5 V H06
2020-09-06 06:12:29 C 20 52 36.42 -07 19 00.9 V H06
2020-09-06 09:46:48 C 20 55 50.44 -06 55 43.2 V T05
2020-09-06 09:56:06 C 20 55 57.80 -06 54 46.2 V T05
2020-09-06 10:00:43 C 20 56 01.30 -06 54 19.1 V T05
2020-09-06 10:10:09 C 20 56 08.76 -06 53 21.2 V T05
2020-09-06 10:25:22 C 20 56 20.74 -06 51 49.5 V T05
2020-09-06 10:49:48 C 20 57 01.56 -06 43 18.2 q E23
2020-09-06 11:09:48 C 20 57 16.99 -06 41 21.2 q E23
2020-09-06 11:29:48 C 20 57 32.31 -06 39 26.0 q E23
2020-09-06 13:06:56 C 20 58 46.28 -06 30 22.5 V Q62
2020-09-06 13:13:05 C 20 58 50.83 -06 29 47.3 V Q62
2020-09-06 13:19:18 C 20 58 55.43 -06 29 12.2 V Q62
2020-09-06 13:25:30 C 20 59 00.03 -06 28 36.3 V Q62
2020-09-06 21:24:57 C 21 05 24.55 -05 53 57.4 V K87
2020-09-06 21:31:30 C 21 05 28.91 -05 53 24.4 V K87
2020-09-06 21:39:10 C 21 05 34.01 -05 52 46.1 V K87
2020-09-06 23:16:41 C 21 06 41.35 -05 44 43.3 V Z80
2020-09-06 23:31:41 C 21 06 51.08 -05 43 28.8 V Z80
2020-09-07 03:25:32 C 21 09 47.94 -05 23 29.4 V H06
2020-09-07 03:29:29 C 21 09 50.29 -05 23 11.2 V H06
2020-09-07 03:33:27 C 21 09 52.63 -05 22 53.1 V H06
2020-09-07 21:10:23 C 21 20 16.26 -04 11 14.2 V K87
2020-09-07 21:16:13 C 21 20 19.01 -04 10 53.0 V K87
2020-09-07 21:22:47 C 21 20 22.08 -04 10 29.1 V K87
2020-09-08 04:20:12 C 21 23 57.45 -03 44 59.7 V G96
2020-09-08 04:28:18 C 21 24 00.77 -03 44 32.7 V G96
2020-09-08 04:36:23 C 21 24 04.09 -03 44 05.5 V G96
2020-09-08 04:44:29 C 21 24 07.37 -03 43 38.7 V G96
2020-09-09 07:47:47 C 21 35 12.750 -02 25 47.18 U F52
2020-09-09 08:05:42 C 21 35 17.759 -02 25 04.09 U F52
2020-09-09 08:23:38 C 21 35 22.767 -02 24 20.82 U F52
2020-09-10 04:46:56 C 21 41 48.49 -01 40 50.9 V G96
2020-09-10 05:00:29 C 21 41 51.59 -01 40 24.7 V G96
2020-09-10 05:07:17 C 21 41 53.11 -01 40 11.3 V G96
2020-09-12 07:26:31 C 21 53 21.677 -00 21 50.82 U F51
2020-09-12 07:45:02 C 21 53 24.185 -00 21 28.23 U F51
2020-09-12 08:03:33 C 21 53 26.676 -00 21 05.69 U F51
2020-09-12 08:22:07 C 21 53 29.148 -00 20 43.11 U F51