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
2021-10-04 06:38:55 C 19 12 48.93 -35 54 03.2 V T08
2021-10-06 05:19:25 C 19 15 21.99 -35 17 57.4 V T05
2021-10-06 05:24:41 C 19 15 22.27 -35 17 53.4 V T05
2021-10-06 05:33:15 C 19 15 22.73 -35 17 46.8 V T05
2021-10-06 05:50:27 C 19 15 23.64 -35 17 33.3 V T05
2021-10-14 05:36:05 C 19 27 13.44 -32 47 03.7 V T05
2021-10-14 05:41:24 C 19 27 13.78 -32 46 59.5 V T05
2021-10-14 05:49:19 C 19 27 14.29 -32 46 53.3 V T05
2021-10-14 06:06:28 C 19 27 15.40 -32 46 39.5 V T05
2021-10-16 05:59:07 C 19 30 31.21 -32 08 25.4 V T08
2021-10-16 06:03:45 C 19 30 31.51 -32 08 21.8 V T08
2021-10-16 06:11:45 C 19 30 32.05 -32 08 15.3 V T08
2021-10-16 06:27:42 C 19 30 33.13 -32 08 02.3 V T08
2021-10-18 06:05:28 C 19 33 54.66 -31 29 42.0 V T05
2021-10-18 06:10:47 C 19 33 55.03 -31 29 37.5 V T05
2021-10-18 06:19:20 C 19 33 55.62 -31 29 30.4 V T05
2021-10-18 06:33:52 C 19 33 56.64 -31 29 18.5 V T05
2021-10-22 05:30:58 C 19 40 57.08 -30 11 50.2 V T05
2021-10-22 05:35:38 C 19 40 57.42 -30 11 46.2 V T05
2021-10-22 05:43:36 C 19 40 58.02 -30 11 39.6 V T05
2021-10-22 06:00:09 C 19 40 59.22 -30 11 25.8 V T05
2021-10-24 05:33:26 C 19 44 38.58 -29 32 02.9 V T08
2021-10-24 05:38:04 C 19 44 38.94 -29 31 59.0 V T08
2021-10-24 05:46:03 C 19 44 39.54 -29 31 52.4 V T08
2021-10-24 06:00:39 C 19 44 40.65 -29 31 40.1 V T08
2021-10-26 05:13:27 C 19 48 23.99 -28 52 09.4 V T05
2021-10-26 05:19:23 C 19 48 24.45 -28 52 04.4 V T05
2021-10-26 05:27:17 C 19 48 25.07 -28 51 57.5 V T05
2021-10-26 05:47:05 C 19 48 26.60 -28 51 40.9 V T05
2021-10-28 05:46:37 C 19 52 18.93 -28 11 02.9 V T08
2021-10-28 05:51:55 C 19 52 19.36 -28 10 58.4 V T08
2021-10-28 06:01:56 C 19 52 20.16 -28 10 49.9 V T08
2021-10-28 06:16:32 C 19 52 21.32 -28 10 37.2 V T08
2021-11-01 05:24:36 C 20 00 17.28 -26 48 37.2 V T08
2021-11-01 05:29:15 C 20 00 17.67 -26 48 33.2 V T08
2021-11-01 05:39:52 C 20 00 18.55 -26 48 23.8 V T08
2021-11-01 05:56:29 C 20 00 19.93 -26 48 09.2 V T08
2021-11-05 05:33:45 C 20 08 37.51 -25 23 35.2 V T08
2021-11-05 05:39:05 C 20 08 37.98 -25 23 30.3 V T08
2021-11-05 05:46:27 C 20 08 38.61 -25 23 23.6 V T08
2021-11-05 06:05:03 C 20 08 40.22 -25 23 06.9 V T08
2021-11-09 04:45:13 C 20 17 10.53 -23 57 03.9 V T08
2021-11-09 04:50:31 C 20 17 11.00 -23 56 59.3 V T08
2021-11-09 04:58:28 C 20 17 11.72 -23 56 51.9 V T08
2021-11-09 05:15:03 C 20 17 13.20 -23 56 36.4 V T08
2021-11-13 05:37:28 C 20 26 08.91 -22 26 27.0 V T08
2021-11-13 05:42:48 C 20 26 09.39 -22 26 21.9 V T08
2021-11-13 05:50:47 C 20 26 10.14 -22 26 14.1 V T08
2021-11-13 06:05:26 C 20 26 11.48 -22 26 00.0 V T08
2021-11-16 01:28:49 C 20 32 35.36 -21 21 21.8 V 703