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
2022-05-04 07:20:34 C 14 18 13.270 -14 35 32.57 V G96
2022-05-04 07:27:56 C 14 18 13.136 -14 35 39.41 V G96
2022-05-04 22:12:50 C 14 18 04.493 -14 48 56.95 V M22
2022-05-04 22:17:51 C 14 18 04.406 -14 49 01.20 V M22
2022-05-04 22:25:41 C 14 18 04.286 -14 49 08.69 V M22
2022-05-04 22:44:48 C 14 18 03.986 -14 49 26.40 V M22
2022-05-06 05:18:39 C 14 17 46.123 -15 18 39.35 V W68
2022-05-06 05:24:18 C 14 17 46.039 -15 18 44.71 V W68
2022-05-06 05:33:53 C 14 17 45.852 -15 18 54.32 V W68
2022-05-06 05:51:14 C 14 17 45.590 -15 19 11.10 V W68
2022-05-06 09:06:43 C 14 17 43.552 -15 22 48.22 V 703
2022-05-06 09:14:25 C 14 17 43.426 -15 22 55.63 V 703
2022-05-06 09:22:06 C 14 17 43.375 -15 23 02.58 V 703
2022-05-06 09:29:48 C 14 17 43.235 -15 23 10.25 V 703
2022-05-07 04:23:37 C 14 17 33.934 -15 41 20.54 V W68
2022-05-07 04:30:59 C 14 17 33.821 -15 41 28.14 V W68
2022-05-07 04:36:14 C 14 17 33.713 -15 41 32.71 V W68
2022-05-07 05:00:30 C 14 17 33.370 -15 41 56.80 V W68
2022-05-07 22:34:47 C 14 17 24.744 -16 00 07.45 V K74
2022-05-07 22:39:37 C 14 17 24.677 -16 00 12.35 V K74
2022-05-07 22:43:39 C 14 17 24.636 -16 00 15.98 V K74
2022-05-07 22:45:16 C 14 17 24.598 -16 00 17.71 V K74
2022-05-09 08:42:32 C 14 17 09.290 -16 35 06.96 U F52
2022-05-09 09:17:12 C 14 17 08.766 -16 35 43.40 U F52
2022-05-09 09:34:33 C 14 17 08.502 -16 36 01.62 U F52
2022-05-10 01:50:32 C 14 17 02.93 -16 53 14.3 V W46
2022-05-10 02:16:12 C 14 17 02.56 -16 53 41.6 V W46
2022-05-10 02:51:38 C 14 17 02.01 -16 54 20.8 V W46
2022-05-10 07:27:27 C 14 16 59.200 -16 59 14.71 V 703
2022-05-10 07:35:23 C 14 16 59.048 -16 59 22.88 V 703
2022-05-10 07:43:19 C 14 16 58.962 -16 59 32.03 V 703
2022-05-10 07:51:15 C 14 16 58.861 -16 59 40.45 V 703
2022-05-18 05:38:55 C 14 16 42.226 -20 38 43.01 V W68
2022-05-18 05:43:10 C 14 16 42.218 -20 38 47.98 V W68
2022-05-18 05:51:21 C 14 16 42.178 -20 38 57.98 V W68
2022-05-18 06:07:38 C 14 16 42.161 -20 39 18.00 V W68
2022-05-22 08:35:41 C 14 17 34.599 -22 45 10.75 U F52
2022-05-22 08:51:20 C 14 17 34.660 -22 45 31.23 U F52
2022-05-22 09:07:05 C 14 17 34.716 -22 45 51.79 U F52
2022-05-27 04:28:14 C 14 19 45.238 -25 19 38.28 V W68
2022-05-27 04:33:43 C 14 19 45.350 -25 19 45.80 V W68
2022-05-27 04:42:20 C 14 19 45.487 -25 19 57.25 V W68
2022-05-27 04:58:01 C 14 19 45.751 -25 20 18.31 V W68
2022-05-27 06:15:03 C 14 19 48.414 -25 22 35.65 V 703
2022-05-27 06:31:11 C 14 19 48.720 -25 22 57.61 V 703
2022-05-27 06:39:15 C 14 19 48.796 -25 23 08.12 V 703
2022-05-27 06:47:03 C 14 19 48.947 -25 23 18.24 V 703
2022-05-27 06:54:50 C 14 19 49.112 -25 23 28.32 V 703
2022-05-27 07:02:38 C 14 19 49.224 -25 23 37.82 V 703
2022-05-27 07:10:26 C 14 19 49.364 -25 23 49.63 V 703