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
2008-01-28 18:32:29 C 03 32 17.04 +61 17 22.3 o 084
2008-01-28 18:34:42 C 03 32 17.71 +61 17 20.7 o 084
2008-01-29 00:46:08 C 03 34 09.51 +61 12 45.3 c J93
2008-01-29 00:48:42 C 03 34 10.33 +61 12 43.1 c J93
2008-01-29 01:00:52 C 03 34 13.95 +61 12 33.8 c J93
2008-01-29 03:28:54 C 03 34 59.45 +61 10 56.7 14.6 c 704
2008-01-29 03:47:04 C 03 35 04.75 +61 10 43.1 14.9 c 704
2008-01-29 04:04:16 C 03 35 09.85 +61 10 29.0 15.5 c 704
2008-01-29 04:21:44 C 03 35 15.10 +61 10 16.2 15.1 c 704
2008-01-29 04:39:52 C 03 35 20.30 +61 10 02.1 15.4 c 704
2008-01-29 23:45:27 C 03 41 02.76 +60 55 21.1 o 510
2008-01-29 23:48:52 C 03 41 03.82 +60 55 18.7 o 510
2008-01-29 23:51:10 C 03 41 04.46 +60 55 17.0 o 510
2008-01-30 01:56:09 C 03 41 42.85 +60 53 50.4 15.5 c 704
2008-01-30 02:14:07 C 03 41 48.10 +60 53 36.9 14.5 c 704
2008-01-30 02:32:07 C 03 41 53.00 +60 53 21.3 15.5 c 704
2008-01-30 02:50:07 C 03 41 58.41 +60 53 07.6 15.4 c 704
2008-01-30 03:08:08 C 03 42 03.50 +60 52 54.4 15.5 c 704
2008-02-02 19:12:39 C 04 07 04.12 +59 37 00.1 c 127
2008-02-02 19:15:48 C 04 07 04.96 +59 36 57.2 c 127
2008-02-02 19:18:48 C 04 07 05.77 +59 36 54.4 c 127
2008-02-02 19:22:10 C 04 07 06.66 +59 36 51.2 c 127
2008-02-02 19:25:29 C 04 07 07.55 +59 36 48.1 c 127
2008-02-07 19:24:34 C 04 37 48.11 +57 36 10.4 c 127
2008-02-07 19:27:48 C 04 37 48.89 +57 36 06.8 c 127
2008-02-07 19:30:57 C 04 37 49.63 +57 36 03.6 c 127
2008-02-07 19:34:00 C 04 37 50.34 +57 36 00.2 c 127
2008-02-07 19:37:32 C 04 37 51.17 +57 35 56.4 c 127
2008-02-08 20:42:01 C 04 43 46.96 +57 08 49.8 c J93
2008-02-08 20:44:30 C 04 43 47.51 +57 08 46.9 c J93
2008-02-08 20:46:58 C 04 43 48.09 +57 08 44.3 c J93
2008-02-11 21:49:11 C 05 00 11.41 +55 47 06.3 o 510
2008-02-11 21:50:19 C 05 00 11.65 +55 47 05.0 o 510
2008-02-11 21:52:37 C 05 00 12.12 +55 47 02.2 o 510
2008-02-13 21:10:23 C 05 10 09.38 +54 52 31.0 o 084
2008-02-13 21:12:35 C 05 10 09.83 +54 52 28.4 o 084
2008-02-13 21:53:46 C 05 10 18.18 +54 51 39.7 o 084
2008-02-13 21:55:58 C 05 10 18.64 +54 51 37.1 o 084
2008-02-13 22:42:20 C 05 10 28.11 +54 50 42.0 o 084
2008-02-13 22:44:31 C 05 10 28.53 +54 50 39.5 o 084
2008-02-14 00:09:23 C 05 10 45.78 +54 49 01.8 o 510
2008-02-14 00:13:07 C 05 10 46.54 +54 48 56.9 o 510
2008-02-14 00:14:23 C 05 10 46.76 +54 48 56.0 o 510
2008-02-15 16:25:05 C 05 18 50.76 +54 01 56.9 o 084
2008-02-15 16:27:17 C 05 18 51.19 +54 01 54.2 o 084
2008-02-15 17:05:37 C 05 18 58.57 +54 01 09.5 o 084
2008-02-15 17:07:49 C 05 18 59.01 +54 01 06.8 o 084
2008-02-15 17:49:37 C 05 19 07.09 +54 00 17.7 o 084
2008-02-15 17:51:49 C 05 19 07.50 +54 00 15.0 o 084
2008-02-15 19:01:22 C 05 19 20.87 +53 58 52.9 o 084