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
2011-02-23 06:16:23 C 10 15 34.263 +16 05 14.76 V 703
2011-03-02 04:45:47 C 09 28 38.82 +14 59 12.7 r G96
2011-03-02 04:58:39 C 09 28 32.88 +14 59 03.1 r G96
2011-03-02 05:11:24 C 09 28 27.26 +14 58 53.5 r G96
2011-03-02 05:24:17 C 09 28 21.32 +14 58 43.5 r G96
2011-03-02 06:16:32 C 09 27 57.74 +14 58 01.9 r G96
2011-03-02 06:16:53 C 09 27 54.12 +14 57 40.0 r H21
2011-03-02 06:17:22 C 09 27 57.31 +14 58 01.3 r G96
2011-03-02 06:18:12 C 09 27 56.95 +14 58 00.6 r G96
2011-03-02 06:19:03 C 09 27 56.55 +14 58 00.3 r G96
2011-03-02 06:23:05 C 09 27 51.36 +14 57 34.5 r H21
2011-03-02 06:29:01 C 09 27 48.73 +14 57 29.4 r H21
2011-03-02 06:34:57 C 09 27 46.05 +14 57 24.1 r H21
2011-03-02 06:41:08 C 09 27 43.29 +14 57 18.9 r H21
2011-03-02 06:45:08 C 09 27 41.51 +14 57 15.3 r H21
2011-03-02 07:38:59 C 09 27 20.08 +14 56 52.0 r G96
2011-03-02 07:49:32 C 09 27 15.26 +14 56 42.1 r G96
2011-03-02 08:00:13 C 09 27 10.44 +14 56 33.1 r G96
2011-03-02 08:10:54 C 09 27 05.58 +14 56 23.4 r G96
2011-03-02 08:25:13 C 09 26 59.05 +14 56 10.3 r G96
2011-03-02 08:36:51 C 09 26 53.76 +14 55 59.5 r G96
2011-03-02 09:00:18 C 09 26 43.11 +14 55 37.4 r G96
2011-03-02 23:13:45 C 09 20 37.22 +14 42 33.9 v 586
2011-03-02 23:14:43 C 09 20 36.69 +14 42 33.2 v 586
2011-03-02 23:16:55 C 09 20 35.68 +14 42 30.6 v 586
2011-03-02 23:17:27 C 09 20 35.40 +14 42 30.2 v 586
2011-03-02 23:17:59 C 09 20 35.15 +14 42 29.6 v 586
2011-03-02 23:18:31 C 09 20 34.91 +14 42 29.2 v 586
2011-03-02 23:19:03 C 09 20 34.61 +14 42 28.6 v 586
2011-03-02 23:19:35 C 09 20 34.40 +14 42 28.4 v 586
2011-03-02 23:20:07 C 09 20 34.08 +14 42 27.5 v 586
2011-03-02 23:20:40 C 09 20 33.80 +14 42 26.6 v 586
2011-03-04 07:29:12 C 09 04 41.85 +14 06 46.5 o 291
2011-03-04 07:34:39 C 09 04 38.86 +14 06 40.1 o 291
2011-03-04 07:40:10 C 09 04 35.50 +14 06 32.5 o 291
2011-03-04 21:17:04 C 08 57 08.86 +13 46 35.3 V J95
2011-03-04 21:28:30 C 08 57 01.90 +13 46 18.4 V J95
2011-03-05 03:24:42 C 08 53 36.49 +13 37 59.5 o H01
2011-03-05 03:34:34 C 08 53 30.16 +13 37 44.5 o H01
2011-03-05 03:44:09 C 08 53 24.01 +13 37 30.0 o H01
2011-03-05 04:01:25 C 08 53 12.86 +13 37 03.9 o H01
2011-03-05 05:54:17 C 08 52 00.19 +13 34 10.7 o 291
2011-03-05 06:05:24 C 08 51 53.09 +13 33 52.4 o 291
2011-03-06 05:27:18 C 08 36 49.94 +12 51 25.7 o 291
2011-03-06 05:32:53 C 08 36 45.87 +12 51 14.9 o 291
2011-03-06 05:38:19 C 08 36 41.98 +12 51 05.1 o 291
2020-01-25 05:23:38 C 03 52 19.987 +27 31 08.18 V T09
2020-09-05 08:42:12 C 20 28 03.573 -09 59 53.55 U F51
2020-09-05 08:59:33 C 20 28 25.173 -09 57 18.21 U F51
2020-09-05 09:16:59 C 20 28 46.875 -09 54 41.97 V F51