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
2022-03-10 03:29:11 C 14 06 23.44 -04 27 42.1 X 033
2022-03-10 08:31:52 C 14 06 34.58 -04 28 48.9 o 691
2022-03-10 09:04:58 C 14 06 35.64 -04 28 56.9 o 691
2022-03-10 09:38:26 C 14 06 36.73 -04 29 04.5 o 691
2022-03-12 06:10:28 C 14 08 08.66 -04 39 14.8 u 807
2022-03-12 06:22:28 C 14 08 09.04 -04 39 17.6 u 807
2022-03-12 06:34:02 C 14 08 09.40 -04 39 20.3 u 807
2022-03-12 08:58:10 C 14 08 14.25 -04 40 06.5 V I52
2022-03-12 09:06:40 C 14 08 14.53 -04 40 08.7 V I52
2022-03-12 09:15:45 C 14 08 14.80 -04 40 10.7 V I52
2022-03-14 05:34:03 C 14 09 41.91 -04 50 28.2 V 807
2022-03-14 05:44:44 C 14 09 42.24 -04 50 30.2 V 807
2022-03-14 05:55:24 C 14 09 42.54 -04 50 32.6 V 807
2022-03-15 05:32:21 C 14 10 27.19 -04 56 12.6 V 807
2022-03-15 05:38:29 C 14 10 27.36 -04 56 14.1 V 807
2022-03-15 05:44:20 C 14 10 27.52 -04 56 15.4 V 807
2022-03-17 09:47:47 C 14 12 01.11 -05 09 12.1 V I52
2022-03-17 09:58:15 C 14 12 01.37 -05 09 14.8 V I52
2022-03-17 10:08:45 C 14 12 01.68 -05 09 17.1 V I52
2022-03-24 09:17:18 C 14 16 19.39 -05 53 03.2 V I52
2022-03-24 09:31:14 C 14 16 19.64 -05 53 07.3 V I52
2022-03-24 09:43:22 C 14 16 19.87 -05 53 10.8 V I52
2022-03-24 10:53:29 C 14 16 21.18 -05 53 30.2 V G96
2022-03-24 11:00:52 C 14 16 21.30 -05 53 32.8 V G96
2022-03-24 11:08:16 C 14 16 21.44 -05 53 34.3 V G96
2022-03-24 11:15:40 C 14 16 21.57 -05 53 36.3 V G96
2022-03-25 08:04:03 C 14 16 49.25 -05 59 27.5 V I52
2022-03-25 08:15:25 C 14 16 49.44 -05 59 31.2 V I52
2022-03-25 08:27:37 C 14 16 49.68 -05 59 33.6 V I52
2022-03-28 05:22:49 C 14 18 10.73 -06 19 29.5 u 807
2022-03-28 05:24:46 C 14 18 10.75 -06 19 30.3 u 807
2022-03-28 05:26:45 C 14 18 10.77 -06 19 31.0 u 807
2022-03-31 07:26:21 C 14 19 23.207 -06 43 01.74 V V06
2022-03-31 07:34:59 C 14 19 23.322 -06 43 04.69 V V06
2022-03-31 07:46:57 C 14 19 23.441 -06 43 08.58 V V06
2022-03-31 12:59:03 C 14 19 27.405 -06 44 48.13 U F52
2022-03-31 13:16:51 C 14 19 27.588 -06 44 53.91 U F52
2022-03-31 13:34:22 C 14 19 27.766 -06 44 59.57 U F52
2022-03-31 13:51:58 C 14 19 27.943 -06 45 05.42 U F52
2022-03-31 23:39:39 C 14 19 37.00 -06 48 24.6 X C95
2022-04-01 00:09:59 C 14 19 37.33 -06 48 34.7 X C95
2022-04-01 07:57:12 C 14 19 43.02 -06 50 52.1 u 807
2022-04-01 07:59:13 C 14 19 43.05 -06 50 52.9 u 807
2022-04-01 08:01:14 C 14 19 43.07 -06 50 53.7 u 807
2022-04-01 08:18:22 C 14 19 43.880 -06 51 16.30 V I52
2022-04-01 08:30:54 C 14 19 43.980 -06 51 20.30 V I52
2022-04-01 08:43:44 C 14 19 44.160 -06 51 24.80 V I52
2022-04-01 11:16:07 C 14 19 46.298 -06 52 13.19 V T08
2022-04-01 11:18:44 C 14 19 46.337 -06 52 13.40 V T08
2022-04-01 11:26:36 C 14 19 46.380 -06 52 17.58 V T08