2022 ER4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5717137938 ± 5.39e-08
Semi-major axis (a)2.7616658162 AU ± 1.90e-08
Inclination (i)6.29634712° ± 4.26e-06
Long. of Asc. Node (Ω)37.26897111° ± 1.54e-05
Arg. of Perihelion (ω)222.40441450° ± 1.72e-05
Mean Anomaly (M)263.53087799° ± 3.69e-06
Mean Motion (n)0.2147610852°/day ± 2.22e-09
Perihelion dist (q)1.18278338 AU ± 1.49e-07
Aphelion dist (Q)4.34054826 AU ± 1.52e-07
Orbital Period4.58940819 yr ± 4.74e-08
Physical Parameters
H (abs. magnitude)19.63
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.256″
Uncertainty0
Orbit TypeAmor
MOID0.183921 AU
Observations Used271
Oppositions11
Arc Total2008-2022
First Observation Used2008-03-10
Last Observation Used2022-09-21
Observations (278)
Date Type RA Dec Mag Band Observatory
2008-03-10 09:15:26 C 13 01 42.31 +03 49 54.9 r G96
2008-03-10 09:29:21 C 13 01 42.09 +03 49 56.4 r G96
2008-03-10 09:43:16 C 13 01 41.88 +03 49 57.8 r G96
2008-03-10 09:57:10 C 13 01 41.66 +03 49 58.7 r G96
2008-03-29 07:28:12 C 12 49 40.11 +04 30 02.2 r 703
2008-03-29 07:39:07 C 12 49 39.61 +04 30 02.9 r 703
2008-03-29 07:50:04 C 12 49 39.21 +04 30 03.5 r 703
2008-03-29 08:01:01 C 12 49 38.64 +04 30 03.7 r 703
2008-04-06 09:11:44 C 12 41 11.32 +04 36 30.1 r 703
2008-04-06 09:20:33 C 12 41 10.93 +04 36 28.7 r 703
2008-04-06 09:29:23 C 12 41 10.50 +04 36 29.1 r 703
2008-04-06 09:38:12 C 12 41 10.14 +04 36 28.2 r 703
2008-05-04 05:15:55 C 12 13 06.49 +02 09 27.2 r 703
2008-05-04 05:23:34 C 12 13 06.20 +02 09 23.1 r 703
2008-05-04 05:31:18 C 12 13 06.02 +02 09 20.0 r 703
2008-05-04 05:38:57 C 12 13 05.73 +02 09 15.7 r 703
2022-03-05 10:07:41 C 14 02 10.61 -04 01 43.2 V G96
2022-03-05 10:24:02 C 14 02 11.19 -04 01 47.1 V G96
2022-03-05 10:32:13 C 14 02 11.51 -04 01 49.0 V G96
2022-03-07 09:36:43 C 14 03 59.73 -04 12 30.9 V G96
2022-03-07 09:44:11 C 14 04 00.02 -04 12 33.6 V G96
2022-03-07 09:51:39 C 14 04 00.29 -04 12 35.5 V G96
2022-03-07 09:59:07 C 14 04 00.52 -04 12 36.9 V G96
2022-03-07 11:54:16 C 14 04 04.51 -04 13 03.0 V I52
2022-03-07 12:02:01 C 14 04 04.75 -04 13 05.5 V I52
2022-03-07 12:09:33 C 14 04 05.06 -04 13 07.0 V I52
2022-03-07 12:19:52 C 14 04 05.42 -04 13 09.4 V I52
2022-03-07 13:48:01 C 14 04 08.952 -04 13 27.61 U F52
2022-03-07 14:03:44 C 14 04 09.490 -04 13 31.06 U F52
2022-03-07 14:19:28 C 14 04 10.038 -04 13 34.77 U F52
2022-03-07 14:35:11 C 14 04 10.576 -04 13 38.06 U F52
2022-03-08 03:56:51 C 14 04 40.34 -04 16 46.0 X 033
2022-03-08 04:00:26 C 14 04 40.46 -04 16 46.6 X 033
2022-03-08 04:04:00 C 14 04 40.59 -04 16 47.6 X 033
2022-03-08 05:14:23 C 14 04 43.78 -04 16 49.8 V 807
2022-03-08 05:25:02 C 14 04 44.15 -04 16 52.2 V 807
2022-03-08 05:35:41 C 14 04 44.52 -04 16 54.6 V 807
2022-03-08 09:01:02 C 14 04 52.03 -04 17 53.2 V I52
2022-03-08 09:37:13 C 14 04 53.10 -04 18 01.2 V I52
2022-03-08 09:44:49 C 14 04 53.42 -04 18 02.6 V I52
2022-03-09 05:09:08 C 14 05 36.13 -04 22 18.9 V 807
2022-03-09 05:19:47 C 14 05 36.49 -04 22 21.2 V 807
2022-03-09 05:30:26 C 14 05 36.86 -04 22 23.7 V 807
2022-03-09 08:48:30 C 14 05 43.86 -04 23 21.0 V I52
2022-03-09 08:57:44 C 14 05 44.24 -04 23 22.4 V I52
2022-03-09 09:06:36 C 14 05 44.49 -04 23 25.3 V I52
2022-03-09 11:18:15 C 14 05 48.95 -04 23 55.6 V 673
2022-03-09 11:37:00 C 14 05 49.54 -04 24 00.2 V 673
2022-03-10 03:23:02 C 14 06 23.23 -04 27 40.6 X 033
2022-03-10 03:26:07 C 14 06 23.35 -04 27 41.9 X 033