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
2022-04-01 11:37:47 C 14 19 46.476 -06 52 20.89 V T08
2022-04-06 09:24:17 C 14 21 00.515 -07 35 03.88 V G96
2022-04-06 09:32:23 C 14 21 00.551 -07 35 07.08 V G96
2022-04-06 09:40:27 C 14 21 00.587 -07 35 10.28 V G96
2022-04-06 09:48:31 C 14 21 00.598 -07 35 13.20 V G96
2022-04-06 11:37:04 C 14 21 01.782 -07 35 52.75 U F52
2022-04-06 11:54:34 C 14 21 01.830 -07 35 59.61 U F52
2022-04-06 12:12:04 C 14 21 01.878 -07 36 06.39 U F52
2022-04-06 12:29:28 C 14 21 01.925 -07 36 13.18 U F52
2022-04-07 23:47:46 C 14 21 16.98 -07 50 28.1 V Z99
2022-04-07 23:53:53 C 14 21 17.00 -07 50 30.6 V Z99
2022-04-07 23:59:59 C 14 21 17.04 -07 50 33.5 V Z99
2022-04-10 11:02:13 C 14 21 33.088 -08 15 38.20 V G96
2022-04-10 11:09:39 C 14 21 33.073 -08 15 41.44 V G96
2022-04-10 11:18:19 C 14 21 33.066 -08 15 45.68 V G96
2022-04-10 11:29:10 C 14 21 33.062 -08 15 50.58 V G96
2022-04-10 14:54:51 C 14 21 35.285 -08 17 05.10 V P07
2022-04-10 16:00:00 C 14 21 35.220 -08 17 34.01 V P07
2022-04-10 17:05:52 C 14 21 35.102 -08 18 04.03 V P07
2022-04-10 18:13:08 C 14 21 35.004 -08 18 33.70 V P07
2022-04-11 13:07:44 C 14 21 37.842 -08 27 21.97 U F52
2022-04-11 13:41:00 C 14 21 37.763 -08 27 37.12 U F52
2022-04-11 13:57:30 C 14 21 37.731 -08 27 44.53 U F52
2022-04-19 22:40:46 C 14 21 19.632 -10 14 06.72 V K74
2022-04-19 22:49:38 C 14 21 19.514 -10 14 12.12 V K74
2022-04-19 22:57:42 C 14 21 19.462 -10 14 16.94 V K74
2022-04-22 05:22:36 C 14 20 59.088 -10 47 57.55 V W68
2022-04-22 05:27:22 C 14 20 59.054 -10 48 00.68 V W68
2022-04-22 05:35:36 C 14 20 58.939 -10 48 05.94 V W68
2022-04-22 05:55:10 C 14 20 58.697 -10 48 18.83 V W68
2022-04-23 10:54:11 C 14 20 46.068 -11 07 51.33 U F52
2022-04-23 11:11:50 C 14 20 45.818 -11 08 03.21 U F52
2022-04-23 11:29:24 C 14 20 45.571 -11 08 15.02 U F52
2022-04-23 11:46:58 C 14 20 45.323 -11 08 26.79 U F52
2022-04-24 09:45:45 C 14 20 34.307 -11 23 34.94 V 703
2022-04-24 09:53:24 C 14 20 34.220 -11 23 41.57 V 703
2022-04-24 10:01:03 C 14 20 34.174 -11 23 45.28 V 703
2022-04-24 10:08:43 C 14 20 34.058 -11 23 51.65 V 703
2022-04-25 05:49:36 C 14 20 24.425 -11 37 20.14 V W68
2022-04-25 05:57:15 C 14 20 24.362 -11 37 25.03 V W68
2022-04-25 06:02:37 C 14 20 24.221 -11 37 29.53 V W68
2022-04-25 06:17:22 C 14 20 24.017 -11 37 39.40 V W68
2022-04-25 07:23:21 C 14 20 23.982 -11 38 51.04 V G96
2022-04-25 07:30:46 C 14 20 23.867 -11 38 56.47 V G96
2022-04-25 07:38:10 C 14 20 23.762 -11 39 01.69 V G96
2022-04-25 07:45:36 C 14 20 23.651 -11 39 06.95 V G96
2022-04-25 10:21:41 C 14 20 22.438 -11 40 54.59 V T08
2022-04-25 10:26:17 C 14 20 22.315 -11 40 58.12 V T08
2022-04-25 11:15:41 C 14 20 21.521 -11 41 33.32 V T08
2022-04-25 11:24:13 C 14 20 21.444 -11 41 39.88 V T08