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
2020-07-11 06:09:31 C 13 00 49.90 -21 18 43.2 V T05
2020-07-11 06:18:06 C 13 00 50.11 -21 18 43.6 V T05
2020-07-11 06:32:42 C 13 00 50.45 -21 18 44.0 V T05
2020-07-13 06:19:57 C 13 02 02.17 -21 20 56.2 V T08
2020-07-13 06:25:55 C 13 02 02.34 -21 20 56.7 V T08
2020-07-13 06:33:52 C 13 02 02.54 -21 20 57.0 V T08
2020-07-13 06:49:09 C 13 02 02.92 -21 20 57.9 V T08
2020-07-21 06:05:12 C 13 07 28.76 -21 34 15.4 V T08
2020-07-21 06:13:11 C 13 07 29.02 -21 34 15.8 V T08
2020-07-21 06:19:49 C 13 07 29.22 -21 34 16.6 V T08
2020-07-21 06:35:19 C 13 07 29.69 -21 34 17.8 V T08
2020-07-29 06:04:59 C 13 13 52.80 -21 54 15.9 V T08
2020-07-29 06:09:38 C 13 13 52.96 -21 54 15.9 V T08
2020-07-29 06:16:59 C 13 13 53.21 -21 54 17.8 V T08
2020-07-29 06:32:55 C 13 13 53.71 -21 54 19.4 V T08
2020-08-10 19:05:59 C 13 25 33.51 -22 37 08.0 o K95
2020-08-10 19:12:38 C 13 25 33.85 -22 37 09.0 o K95
2020-08-16 23:19:25 C 13 31 57.91 -23 02 42.1 o W92
2020-08-16 23:28:18 C 13 31 58.37 -23 02 42.8 o W92
2021-03-22 14:51:30 C 19 31 35.87 -38 48 50.4 V T08
2021-03-22 15:02:48 C 19 31 36.69 -38 48 51.9 V T08
2021-03-22 15:25:23 C 19 31 38.23 -38 48 53.8 V T08
2021-03-22 15:34:02 C 19 31 38.87 -38 48 54.4 V T08
2021-03-26 14:48:15 C 19 38 10.13 -38 56 37.1 V T08
2021-03-26 15:08:52 C 19 38 11.49 -38 56 38.7 V T08
2021-03-26 15:23:27 C 19 38 12.49 -38 56 39.8 V T08
2021-03-26 15:31:25 C 19 38 13.00 -38 56 41.0 V T08
2021-04-15 14:15:26 C 20 08 42.00 -39 45 05.1 V T08
2021-04-15 14:23:24 C 20 08 42.48 -39 45 06.2 V T08
2021-04-15 14:34:40 C 20 08 43.10 -39 45 06.9 V T08
2021-04-15 14:49:16 C 20 08 43.99 -39 45 09.7 V T08
2021-04-15 14:59:53 C 20 08 44.60 -39 45 11.0 V T08
2021-04-15 15:43:18 S 20 08 46.91 -39 45 13.1 L C51
2021-04-15 15:43:29 S 20 08 46.95 -39 45 13.3 L C51
2021-04-15 21:59:56 S 20 09 09.05 -39 46 00.4 L C51
2021-04-16 02:42:19 S 20 09 25.58 -39 46 36.3 L C51
2021-04-16 04:16:23 S 20 09 31.11 -39 46 49.4 L C51
2021-04-16 21:31:52 S 20 10 31.55 -39 49 01.2 L C51
2021-04-19 14:34:16 C 20 14 15.72 -39 57 46.7 V T08
2021-04-19 14:42:14 C 20 14 16.13 -39 57 48.1 V T08
2021-04-19 14:48:13 C 20 14 16.48 -39 57 48.8 V T08
2021-04-19 15:12:52 C 20 14 17.81 -39 57 51.9 V T08
2021-04-27 14:03:18 C 20 24 37.03 -40 27 08.2 V T08
2021-04-27 14:08:37 C 20 24 37.32 -40 27 08.7 V T08
2021-04-27 14:35:10 C 20 24 38.67 -40 27 13.4 V T08
2021-04-27 14:50:25 C 20 24 39.48 -40 27 16.7 V T08
2021-04-29 14:24:13 C 20 27 04.23 -40 35 31.8 V T05
2021-04-29 14:32:18 C 20 27 04.60 -40 35 33.3 V T05
2021-04-29 14:56:41 C 20 27 05.78 -40 35 37.6 V T05
2021-04-29 15:03:56 C 20 27 06.13 -40 35 39.2 V T05