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
2024-05-04 08:53:05 C 21 57 24.158 -31 07 08.40 V W68
2024-05-04 08:57:40 C 21 57 24.514 -31 07 07.36 V W68
2024-05-04 09:06:52 C 21 57 25.212 -31 07 05.59 V W68
2024-05-04 09:21:26 C 21 57 26.326 -31 07 02.78 V W68
2024-05-05 03:17:46 C 21 58 49.346 -31 03 26.75 V M22
2024-05-05 03:22:26 C 21 58 49.714 -31 03 25.88 V M22
2024-05-05 03:58:14 C 21 58 52.421 -31 03 18.90 V M22
2024-05-05 04:05:44 C 21 58 52.992 -31 03 17.42 V M22
2024-05-08 09:14:31 C 22 04 47.827 -30 47 50.35 V W68
2024-05-08 09:47:55 C 22 04 50.345 -30 47 43.76 V W68
2024-05-08 10:00:09 C 22 04 51.259 -30 47 41.32 V W68
2024-05-08 10:03:26 C 22 04 51.509 -30 47 40.70 V W68
2024-05-08 10:24:19 C 22 04 53.074 -30 47 36.67 V W68
2024-05-09 02:30:44 C 22 06 06.785 -30 44 22.78 V M22
2024-05-09 02:35:18 C 22 06 07.130 -30 44 21.95 V M22
2024-05-09 02:45:55 C 22 06 07.932 -30 44 19.79 V M22
2024-05-09 03:06:56 C 22 06 09.511 -30 44 15.76 V M22
2024-05-12 08:46:37 C 22 12 02.050 -30 28 47.42 V W68
2024-05-12 08:51:17 C 22 12 02.412 -30 28 46.20 V W68
2024-05-12 08:59:16 C 22 12 03.005 -30 28 44.80 V W68
2024-05-12 09:10:34 C 22 12 03.845 -30 28 42.56 V W68
2024-05-13 02:45:11 C 22 13 23.105 -30 25 12.79 V M22
2024-05-13 02:51:22 C 22 13 23.566 -30 25 11.64 V M22
2024-05-13 02:59:26 C 22 13 24.156 -30 25 10.06 V M22
2024-05-13 04:19:48 C 22 13 30.094 -30 24 54.58 V M22
2024-05-14 02:39:55 C 22 15 10.594 -30 20 28.36 V M22
2024-05-14 02:44:31 C 22 15 10.927 -30 20 27.49 V M22
2024-05-14 02:52:30 C 22 15 11.520 -30 20 25.91 V M22
2024-05-14 03:07:44 C 22 15 12.634 -30 20 22.96 V M22
2024-05-15 03:04:26 S 22 16 59.62 -30 15 39.8 L C51
2024-05-15 06:09:06 S 22 17 13.37 -30 15 02.8 L C51
2024-05-15 18:27:31 S 22 18 08.35 -30 12 37.2 L C51
2024-05-15 19:59:56 S 22 18 15.23 -30 12 19.3 L C51
2024-05-15 21:32:10 S 22 18 22.06 -30 12 01.3 L C51
2024-05-16 00:36:49 S 22 18 35.78 -30 11 24.8 L C51
2024-05-16 02:09:14 S 22 18 42.66 -30 11 06.4 L C51
2024-05-16 03:41:28 S 22 18 49.47 -30 10 48.2 L C51
2024-05-16 14:26:22 S 22 19 37.30 -30 08 41.1 L C51
2024-05-16 17:30:50 S 22 19 50.99 -30 08 05.6 L C51
2024-05-16 17:31:01 S 22 19 51.01 -30 08 04.9 L C51
2024-05-16 20:35:29 S 22 20 04.66 -30 07 29.0 L C51
2024-05-18 02:22:08 C 22 22 17.006 -30 01 36.55 V M22
2024-05-18 02:26:53 C 22 22 17.386 -30 01 35.94 V M22
2024-05-18 02:34:25 C 22 22 17.904 -30 01 34.39 V M22
2024-05-18 02:59:33 C 22 22 19.730 -30 01 29.78 V M22
2024-05-19 08:38:12 C 22 24 30.574 -29 55 41.84 V W68
2024-05-19 08:42:54 C 22 24 30.910 -29 55 40.76 V W68
2024-05-19 08:50:44 C 22 24 31.471 -29 55 39.47 V W68
2024-05-19 09:07:18 C 22 24 32.664 -29 55 36.37 V W68
2024-05-21 01:56:49 C 22 27 31.879 -29 47 39.08 V M22