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
2011-06-06 04:56:01 C 10 43 31.22 +05 27 21.4 r 703
2011-06-06 05:09:58 C 10 43 31.80 +05 27 15.8 r 703
2011-06-06 05:23:21 C 10 43 32.34 +05 27 10.8 r 703
2011-06-30 06:25:52 C 11 09 32.821 +01 30 22.30 L F51
2011-06-30 06:33:11 C 11 09 33.169 +01 30 19.23 L F51
2011-06-30 06:39:48 C 11 09 33.488 +01 30 16.49 L F51
2011-06-30 06:46:27 C 11 09 33.802 +01 30 13.73 L F51
2012-04-12 02:44:44 C 16 34 08.41 -42 17 05.1 u I39
2012-04-12 03:11:35 C 16 34 07.79 -42 17 13.4 u I39
2012-04-12 04:36:23 C 16 34 05.75 -42 17 39.5 u I39
2012-06-06 04:48:10 C 15 22 13.00 -43 57 22.7 o 807
2012-06-06 04:55:39 C 15 22 12.54 -43 57 21.0 o 807
2012-06-06 05:03:09 C 15 22 12.11 -43 57 19.4 o 807
2012-06-06 05:10:37 C 15 22 11.61 -43 57 17.7 o 807
2012-08-11 10:05:53 C 15 02 01.86 -37 11 54.6 r E12
2012-08-11 10:22:09 C 15 02 02.18 -37 11 52.8 r E12
2012-08-11 10:38:35 C 15 02 02.72 -37 11 51.1 r E12
2012-09-04 11:01:48 C 15 25 51.51 -36 22 29.2 r E12
2013-11-12 21:00:44 C 11 48 47.30 +11 27 22.9 o D54
2013-11-12 21:43:19 C 11 48 50.50 +11 26 57.4 o D54
2013-12-11 10:52:58 C 12 33 55.42 +04 49 13.4 q H15
2013-12-11 11:07:33 C 12 33 56.17 +04 49 06.0 q H15
2013-12-11 11:22:19 C 12 33 56.96 +04 48 58.4 q H15
2013-12-11 11:37:01 C 12 33 57.73 +04 48 51.1 q H15
2013-12-31 10:23:15 C 12 54 58.06 +01 09 29.9 q H15
2013-12-31 10:38:00 C 12 54 58.54 +01 09 23.9 q H15
2013-12-31 10:53:04 C 12 54 59.02 +01 09 17.7 q H15
2013-12-31 11:07:47 C 12 54 59.50 +01 09 12.0 q H15
2014-01-06 07:32:11 S 12 59 11.33 +00 15 06.2 L C51
2014-01-06 10:08:22 C 12 59 15.65 +00 14 05.0 R G45
2014-01-06 10:25:12 C 12 59 16.08 +00 13 59.2 R G45
2014-01-06 10:41:57 S 12 59 16.30 +00 13 56.4 L C51
2014-01-06 10:44:36 C 12 59 16.56 +00 13 52.3 R G45
2014-01-06 11:03:00 C 12 59 17.03 +00 13 45.1 R G45
2014-01-06 11:22:31 C 12 59 17.51 +00 13 38.1 R G45
2014-01-06 11:27:24 C 12 59 17.61 +00 13 35.5 R G45
2014-01-06 11:45:04 C 12 59 18.09 +00 13 29.7 R G45
2014-01-06 12:03:54 C 12 59 18.56 +00 13 22.9 R G45
2014-01-06 12:40:32 C 12 59 19.47 +00 13 09.4 R G45
2014-01-06 12:57:45 C 12 59 19.88 +00 13 03.2 R G45
2014-01-06 13:51:34 S 12 59 21.26 +00 12 46.6 L C51
2014-01-06 17:01:21 S 12 59 26.18 +00 11 36.8 L C51
2014-01-06 18:36:20 S 12 59 28.63 +00 11 02.1 L C51
2014-01-06 20:11:08 S 12 59 31.06 +00 10 27.2 L C51
2014-01-06 21:45:56 S 12 59 33.511 +00 09 52.56 L C51
2014-01-06 21:46:07 S 12 59 33.528 +00 09 52.63 L C51
2014-01-06 23:20:55 S 12 59 35.93 +00 09 18.1 L C51
2014-01-07 00:55:43 S 12 59 38.35 +00 08 43.7 L C51
2014-01-07 04:05:31 S 12 59 43.17 +00 07 34.4 L C51
2014-01-07 07:15:17 S 12 59 47.95 +00 06 25.3 L C51