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
2008-04-25 04:12:39 C 08 31 19.63 +26 46 15.2 r 703
2008-04-25 04:20:24 C 08 31 20.24 +26 46 09.2 r 703
2008-04-25 04:28:12 C 08 31 20.89 +26 46 03.2 r 703
2008-04-25 04:36:00 C 08 31 21.50 +26 45 57.4 r 703
2008-04-25 20:36:01 C 08 32 39.15 +26 34 15.4 r 084
2008-04-25 21:28:34 C 08 32 43.36 +26 33 36.7 r 084
2008-04-28 20:18:22 C 08 38 23.79 +25 42 38.9 r 084
2008-04-28 20:20:34 C 08 38 23.95 +25 42 37.7 r 084
2008-04-29 01:06:52 C 08 38 46.62 +25 39 13.3 c J93
2008-04-29 01:11:26 C 08 38 46.92 +25 39 10.4 c J93
2008-04-29 01:16:00 C 08 38 47.44 +25 39 08.0 c J93
2008-04-30 03:25:38 C 08 40 51.90 +25 20 36.8 16.3 c 704
2008-04-30 03:40:14 C 08 40 53.04 +25 20 26.1 16.7 c 704
2008-04-30 03:54:54 C 08 40 54.20 +25 20 15.8 16.7 c 704
2008-04-30 04:24:10 C 08 40 56.46 +25 19 54.9 16.6 c 704
2008-04-30 20:47:29 C 08 42 14.15 +25 08 18.5 r 084
2008-04-30 20:49:42 C 08 42 14.33 +25 08 16.7 r 084
2008-05-01 22:13:37 C 08 44 14.18 +24 50 28.6 c J93
2008-05-01 22:16:39 C 08 44 14.43 +24 50 27.1 c J93
2008-05-01 22:19:43 C 08 44 14.68 +24 50 24.8 c J93
2008-05-02 19:44:51 C 08 45 55.36 +24 35 27.4 r 084
2008-05-02 20:30:09 C 08 45 58.89 +24 34 55.4 r 084
2008-05-02 21:07:02 C 08 46 01.74 +24 34 29.7 r 084
2008-05-02 21:09:13 C 08 46 01.94 +24 34 27.9 r 084
2008-05-02 21:54:39 C 08 46 05.46 +24 33 58.1 c J93
2008-05-02 21:57:56 C 08 46 05.73 +24 33 55.7 c J93
2008-05-02 22:00:59 C 08 46 05.98 +24 33 53.0 c J93
2008-05-03 19:40:32 C 08 47 47.41 +24 18 51.5 r 084
2008-05-03 20:26:02 C 08 47 50.90 +24 18 19.7 r 084
2008-05-03 21:08:16 C 08 47 54.20 +24 17 50.4 r 084
2008-05-03 21:10:28 C 08 47 54.40 +24 17 48.7 r 084
2008-05-04 21:40:33 C 08 49 48.58 +24 00 55.0 r 084
2008-05-04 21:42:46 C 08 49 48.73 +24 00 53.4 r 084
2008-05-06 22:23:07 C 08 53 34.25 +23 27 39.2 c J93
2008-05-06 22:29:14 C 08 53 34.76 +23 27 34.2 c J93
2008-05-06 22:35:18 C 08 53 35.30 +23 27 29.7 c J93
2008-05-14 21:24:25 C 09 08 03.06 +21 20 24.6 r 084
2008-05-15 20:37:28 C 09 09 46.99 +21 05 17.3 r 084
2008-05-15 20:39:40 C 09 09 47.13 +21 05 15.8 r 084
2008-05-16 20:44:21 C 09 11 34.56 +20 49 39.3 r 084
2008-05-16 20:46:33 C 09 11 34.71 +20 49 37.8 r 084
2008-06-13 03:47:58 C 09 58 17.76 +14 06 59.4 r 703
2008-06-13 03:54:38 C 09 58 18.26 +14 06 55.5 r 703
2008-06-13 04:01:20 C 09 58 18.73 +14 06 51.9 r 703
2008-06-13 04:08:00 C 09 58 19.16 +14 06 47.3 r 703
2008-06-28 08:41:51 C 10 23 02.14 +10 35 54.7 r E12
2008-06-28 08:45:43 C 10 23 02.40 +10 35 52.5 r E12
2008-06-28 08:49:38 C 10 23 02.65 +10 35 50.4 r E12
2008-06-28 08:53:27 C 10 23 02.90 +10 35 48.2 r E12
2009-03-05 15:51:26 C 15 47 07.02 -34 25 03.9 r E16