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
2022-04-26 04:39:03 C 14 20 12.439 -11 53 51.97 V W68
2022-04-26 04:43:32 C 14 20 12.377 -11 53 55.10 V W68
2022-04-26 04:52:16 C 14 20 12.216 -11 54 01.15 V W68
2022-04-26 05:09:58 C 14 20 11.998 -11 54 14.40 V W68
2022-04-27 09:41:29 C 14 19 56.090 -12 15 56.16 V T05
2022-04-27 09:49:26 C 14 19 55.949 -12 16 01.88 V T05
2022-04-27 09:52:44 C 14 19 55.903 -12 16 05.34 V T05
2022-04-27 10:22:23 C 14 19 55.403 -12 16 27.33 U F52
2022-04-27 10:38:09 C 14 19 55.141 -12 16 39.35 U F52
2022-04-27 10:44:05 C 14 19 55.061 -12 16 43.79 V T05
2022-04-27 10:53:53 C 14 19 54.878 -12 16 51.29 U F52
2022-04-27 11:09:40 C 14 19 54.618 -12 17 03.27 U F52
2022-04-27 23:03:35 C 14 19 47.933 -12 26 20.87 V K74
2022-04-27 23:20:32 C 14 19 47.698 -12 26 33.58 V K74
2022-04-27 23:25:22 C 14 19 47.618 -12 26 37.46 V K74
2022-04-28 05:28:48 C 14 19 43.738 -12 30 50.26 V W68
2022-04-28 05:32:55 C 14 19 43.663 -12 30 53.75 V W68
2022-04-28 05:41:50 C 14 19 43.505 -12 31 01.13 V W68
2022-04-28 05:56:19 C 14 19 43.267 -12 31 11.28 V W68
2022-04-28 08:20:29 C 14 19 41.912 -12 33 28.98 V 703
2022-04-28 08:27:29 C 14 19 41.783 -12 33 35.28 V 703
2022-04-28 08:34:29 C 14 19 41.747 -12 33 40.46 V 703
2022-04-28 08:41:29 C 14 19 41.646 -12 33 46.84 V 703
2022-04-29 22:21:32 C 14 19 18.965 -13 03 32.33 V M22
2022-04-29 22:29:49 C 14 19 18.823 -13 03 39.60 V M22
2022-04-29 22:41:06 C 14 19 18.653 -13 03 48.60 V M22
2022-04-29 22:46:41 C 14 19 18.533 -13 03 53.06 V M22
2022-04-29 22:47:20 C 14 19 18.518 -13 03 53.93 V M22
2022-05-01 10:23:48 C 14 18 56.186 -13 34 06.60 V T05
2022-05-01 10:29:04 C 14 18 56.052 -13 34 10.34 V T05
2022-05-01 11:19:54 C 14 18 55.190 -13 34 54.19 V T05
2022-05-01 11:27:51 C 14 18 55.042 -13 35 01.39 V T05
2022-05-02 08:53:27 C 14 18 41.461 -13 53 39.59 V 703
2022-05-02 09:01:08 C 14 18 41.285 -13 53 46.93 V 703
2022-05-02 09:08:47 C 14 18 41.202 -13 53 53.23 V 703
2022-05-02 09:16:27 C 14 18 41.112 -13 53 59.78 V 703
2022-05-03 05:11:00 C 14 18 29.136 -14 11 15.40 V W68
2022-05-03 05:15:52 C 14 18 29.064 -14 11 19.72 V W68
2022-05-03 05:25:04 C 14 18 28.898 -14 11 27.92 V W68
2022-05-03 05:42:37 C 14 18 28.579 -14 11 43.40 V W68
2022-05-03 23:06:44 C 14 18 18.074 -14 27 30.24 V M22
2022-05-03 23:12:28 C 14 18 17.964 -14 27 35.78 V M22
2022-05-03 23:21:25 C 14 18 17.825 -14 27 43.85 V M22
2022-05-03 23:42:42 C 14 18 17.472 -14 28 03.04 V M22
2022-05-04 05:12:41 C 14 18 14.345 -14 33 07.56 V W68
2022-05-04 05:17:24 C 14 18 14.280 -14 33 11.74 V W68
2022-05-04 05:25:15 C 14 18 14.143 -14 33 19.40 V W68
2022-05-04 05:41:04 C 14 18 13.877 -14 33 33.77 V W68
2022-05-04 07:05:47 C 14 18 13.525 -14 35 19.21 V G96
2022-05-04 07:13:10 C 14 18 13.399 -14 35 26.02 V G96