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
2022-05-31 05:10:23 C 14 22 48.457 -27 33 23.69 V 703
2022-05-31 05:17:42 C 14 22 48.623 -27 33 33.77 V 703
2022-05-31 05:25:01 C 14 22 48.860 -27 33 43.88 V 703
2022-05-31 05:32:20 C 14 22 49.051 -27 33 53.93 V 703
2022-06-05 20:21:11 C 14 29 13.987 -30 41 00.74 V M22
2022-06-05 20:25:32 C 14 29 14.206 -30 41 06.79 V M22
2022-06-05 20:34:42 C 14 29 14.635 -30 41 19.54 V M22
2022-06-05 20:53:21 C 14 29 15.540 -30 41 45.20 V M22
2022-06-06 06:28:18 C 14 29 50.566 -30 55 27.59 U F52
2022-06-06 06:43:55 C 14 29 51.342 -30 55 49.59 U F52
2022-06-06 07:15:19 C 14 29 52.888 -30 56 33.64 U F52
2022-06-07 03:11:23 C 14 31 04.944 -31 23 41.10 V W68
2022-06-07 03:15:55 C 14 31 05.194 -31 23 47.29 V W68
2022-06-07 03:31:05 C 14 31 05.983 -31 24 07.96 V W68
2022-06-07 03:38:20 C 14 31 06.389 -31 24 17.71 V W68
2022-06-08 23:59:54 C 14 34 04.96 -32 25 14.2 V W94
2022-06-09 00:08:08 C 14 34 05.43 -32 25 25.5 V W94
2022-06-09 00:16:22 C 14 34 05.96 -32 25 37.3 V W94
2022-06-29 03:45:55 C 15 27 02.407 -41 45 06.34 V W68
2022-06-29 03:49:41 C 15 27 02.926 -41 45 08.82 V W68
2022-06-29 03:58:01 C 15 27 04.092 -41 45 14.94 V W68
2022-06-29 04:13:56 C 15 27 06.278 -41 45 28.19 V W68
2022-09-17 05:43:52 C 19 56 59.913 -33 06 47.02 U F52
2022-09-17 06:11:15 C 19 57 02.392 -33 06 29.61 U F52
2022-09-17 06:24:55 C 19 57 03.600 -33 06 20.85 U F52
2022-09-21 05:52:27 C 20 05 48.618 -32 04 53.92 U F51
2022-09-21 06:08:23 C 20 05 49.993 -32 04 43.54 U F51
2022-09-21 06:39:58 C 20 05 52.741 -32 04 23.43 U F51