IAA RAS IAA Minor Planet Database

4954 Eric (1990 SQ)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4493640870 ± 2.73e-09
Semi-major axis (a)2.0013783818 AU ± 2.52e-10
Inclination (i)17.42720107° ± 2.28e-07
Long. of Asc. Node (Ω)358.39636619° ± 7.59e-07
Arg. of Perihelion (ω)52.62294448° ± 7.90e-07
Mean Anomaly (M)127.17485143° ± 3.08e-07
Mean Motion (n)0.3481115793°/day ± 6.58e-11
Perihelion dist (q)1.10203081 AU ± 5.47e-09
Aphelion dist (Q)2.90072595 AU ± 5.48e-09
Orbital Period2.83135162 yr ± 5.35e-10
Physical Parameters
H (abs. magnitude)12.55
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.070″
Uncertainty0
Orbit TypeAmor
MOID0.193195 AU
Observations Used6261
Gaia Obs Used292
Oppositions27
Arc Total1975-2026
First Observation Used1975-06-07
Last Observation Used2026-04-08
Observations (7184)
Date Type RA Dec Mag Band Observatory
2020-06-05 08:44:13 C 12 53 16.70 -22 05 40.0 – V T05
2020-06-05 08:58:50 C 12 53 16.55 -22 05 38.0 – V T05
2020-06-06 07:24:32 C 12 53 04.51 -22 02 16.8 – V T05
2020-06-06 07:29:09 C 12 53 04.46 -22 02 16.0 – V T05
2020-06-06 07:31:08 C 12 53 04.44 -22 02 15.5 – V T05
2020-06-06 07:35:46 C 12 53 04.39 -22 02 14.9 – V T05
2020-06-06 07:37:05 C 12 53 04.38 -22 02 15.0 – V T05
2020-06-06 07:43:45 C 12 53 04.30 -22 02 13.8 – V T05
2020-06-06 07:54:58 C 12 53 04.20 -22 02 12.2 – V T05
2020-06-06 08:03:37 C 12 53 04.14 -22 02 10.5 – V T05
2020-06-11 07:54:56 C 12 52 23.84 -21 46 06.0 – V T08
2020-06-11 08:00:55 C 12 52 23.83 -21 46 05.5 – V T08
2020-06-11 08:09:34 C 12 52 23.78 -21 46 04.5 – V T08
2020-06-11 08:29:32 C 12 52 23.70 -21 46 01.9 – V T08
2020-06-15 07:26:06 C 12 52 20.13 -21 35 36.0 – V T08
2020-06-15 07:30:45 C 12 52 20.12 -21 35 35.4 – V T08
2020-06-15 07:38:45 C 12 52 20.12 -21 35 34.8 – V T08
2020-06-15 07:54:03 C 12 52 20.14 -21 35 33.2 – V T08
2020-06-16 06:47:34 C 12 52 22.94 -21 33 21.1 – V T05
2020-06-16 06:52:11 C 12 52 22.94 -21 33 20.6 – V T05
2020-06-16 07:00:11 C 12 52 22.95 -21 33 19.9 – V T05
2020-06-16 07:15:35 C 12 52 22.97 -21 33 18.6 – V T05
2020-06-17 06:50:14 C 12 52 27.28 -21 31 10.3 – V T05
2020-06-17 06:54:52 C 12 52 27.29 -21 31 09.9 – V T05
2020-06-17 07:06:08 C 12 52 27.32 -21 31 08.9 – V T05
2020-06-17 07:22:50 C 12 52 27.35 -21 31 07.2 – V T05
2020-06-21 06:50:11 C 12 52 59.29 -21 23 48.4 – V T05
2020-06-21 06:54:48 C 12 52 59.29 -21 23 47.8 – V T05
2020-06-21 07:02:44 C 12 52 59.36 -21 23 47.3 – V T05
2020-06-21 07:17:15 C 12 52 59.46 -21 23 46.4 – V T05
2020-06-27 06:45:25 C 12 54 29.00 -21 16 49.8 – V T08
2020-06-27 06:49:24 C 12 54 29.05 -21 16 49.4 – V T08
2020-06-27 07:00:41 C 12 54 29.19 -21 16 49.0 – V T08
2020-06-27 07:18:38 C 12 54 29.40 -21 16 48.4 – V T08
2020-07-01 06:09:10 C 12 55 54.24 -21 14 51.0 – V T08
2020-07-01 06:14:28 C 12 55 54.31 -21 14 50.9 – V T08
2020-07-01 06:21:55 C 12 55 54.43 -21 14 51.0 – V T08
2020-07-01 06:37:52 C 12 55 54.68 -21 14 50.7 – V T08
2020-07-03 06:46:57 C 12 56 45.01 -21 14 38.2 – V T05
2020-07-03 06:51:34 C 12 56 45.08 -21 14 37.8 – V T05
2020-07-03 07:02:09 C 12 56 45.27 -21 14 38.0 – V T05
2020-07-03 07:18:53 C 12 56 45.55 -21 14 37.9 – V T05
2020-07-07 06:55:03 C 12 58 39.35 -21 15 43.4 – V T05
2020-07-07 07:12:16 C 12 58 39.68 -21 15 43.4 – V T05
2020-07-07 07:16:15 C 12 58 39.78 -21 15 43.6 – V T05
2020-07-07 07:24:09 C 12 58 39.94 -21 15 43.7 – V T05
2020-07-09 06:09:25 C 12 59 42.01 -21 16 58.3 – V T08
2020-07-09 06:14:43 C 12 59 42.14 -21 16 58.3 – V T08
2020-07-09 06:22:42 C 12 59 42.31 -21 16 58.8 – V T08
2020-07-09 06:38:38 C 12 59 42.67 -21 16 59.1 – V T08