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
2009-08-14 10:17:04 C 14 27 08.02 -32 15 23.0 r E12
2009-08-14 10:27:42 C 14 27 08.38 -32 15 22.6 r E12
2009-08-14 10:39:53 C 14 27 08.89 -32 15 22.2 r E12
2009-09-10 23:21:27 C 14 58 06.66 -32 42 43.2 c I37
2009-09-10 23:51:16 C 14 58 08.22 -32 42 46.0 c I37
2009-09-11 00:21:16 C 14 58 09.89 -32 42 48.1 c I37
2009-09-16 08:49:59 C 15 05 24.25 -32 54 00.1 r 432
2009-09-16 09:20:17 C 15 05 25.99 -32 54 04.0 r 432
2009-09-16 09:50:40 C 15 05 27.71 -32 54 05.4 r 432
2009-09-20 08:44:59 C 15 11 02.50 -33 03 12.5 r 432
2009-09-20 09:45:53 C 15 11 06.12 -33 03 19.1 r 432
2010-07-22 01:46:04 C 02 43 04.61 +13 30 07.3 r J75
2010-07-22 02:04:56 C 02 43 07.34 +13 30 32.6 r J75
2010-07-22 02:23:49 C 02 43 10.05 +13 30 58.2 r J75
2010-07-28 01:20:01 C 03 04 25.80 +16 45 48.7 u 160
2010-07-28 01:22:18 C 03 04 26.15 +16 45 51.6 u 160
2010-07-28 01:24:33 C 03 04 26.51 +16 45 54.6 u 160
2010-08-09 02:50:09 C 03 52 00.15 +23 23 18.1 u 160
2010-08-09 02:51:17 C 03 52 00.35 +23 23 19.6 u 160
2010-08-09 02:52:24 C 03 52 00.55 +23 23 21.1 u 160
2010-08-11 02:23:29 C 04 00 27.19 +24 27 07.3 w J52
2010-08-11 02:29:23 C 04 00 28.24 +24 27 15.9 w J52
2010-08-11 02:33:31 C 04 00 28.99 +24 27 21.8 w J52
2010-08-24 03:43:43 C 05 00 50.58 +30 55 25.1 r J75
2010-08-24 04:03:57 C 05 00 54.73 +30 55 48.2 r J75
2010-08-24 04:24:10 C 05 00 58.83 +30 56 11.2 r J75
2010-08-29 02:12:46 C 05 25 42.86 +32 59 25.1 u 160
2010-08-29 23:51:55 C 05 30 21.83 +33 20 13.6 w J93
2010-08-29 23:53:57 C 05 30 22.26 +33 20 16.0 w J93
2010-08-29 23:56:00 C 05 30 22.66 +33 20 18.0 w J93
2010-09-04 02:35:36 C 05 57 13.54 +35 06 55.9 u 160
2010-09-04 02:39:37 C 05 57 14.34 +35 06 57.8 u 160
2010-09-04 02:43:36 C 05 57 15.22 +35 07 00.9 u 160
2010-09-17 00:30:09 C 07 06 57.98 +37 57 14.0 v J93
2010-09-17 00:36:17 C 07 06 59.29 +37 57 16.0 v J93
2010-09-17 00:42:25 C 07 07 00.68 +37 57 17.9 v J93
2010-09-22 02:15:43 C 07 34 04.61 +38 23 57.2 u 510
2010-09-22 02:21:18 C 07 34 05.85 +38 23 58.0 u 510
2010-09-22 02:26:53 C 07 34 07.08 +38 23 58.9 u 510
2010-09-22 02:32:29 C 07 34 08.29 +38 23 59.6 u 510
2010-09-23 03:16:57 C 07 39 34.07 +38 26 46.2 u 160
2010-09-23 03:18:38 C 07 39 34.43 +38 26 46.4 u 160
2010-09-23 03:20:18 C 07 39 34.77 +38 26 46.6 u 160
2010-09-25 17:15:16 C 07 53 00.99 +38 29 52.4 o 300
2010-09-25 17:17:12 C 07 53 01.42 +38 29 52.3 o 300
2010-09-25 17:19:07 C 07 53 01.83 +38 29 53.6 o 300
2010-09-25 17:21:02 C 07 53 02.23 +38 29 52.7 o 300
2010-10-06 01:49:31 C 08 44 03.16 +37 54 16.0 r J37
2010-10-06 02:33:35 C 08 44 11.73 +37 54 04.0 r J37
2010-10-06 02:57:28 C 08 44 16.35 +37 53 58.1 r J37