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
2018-07-21 01:20:06 C 17 19 01.04 -50 56 18.9 q X74
2018-07-21 01:33:35 C 17 19 00.22 -50 56 13.8 q X74
2018-07-21 01:47:06 C 17 18 59.42 -50 56 09.3 q X74
2018-07-26 01:39:13 C 17 12 48.43 -50 11 21.2 q X74
2018-07-26 01:52:50 C 17 12 47.78 -50 11 15.7 q X74
2018-07-26 02:06:31 C 17 12 47.10 -50 11 10.2 q X74
2018-08-07 23:56:10 C 17 03 13.30 -47 59 21.3 q X74
2018-08-08 00:09:57 C 17 03 13.05 -47 59 15.1 q X74
2018-08-08 00:23:34 C 17 03 12.80 -47 59 08.7 q X74
2018-08-15 00:19:34 C 17 01 50.78 -46 44 21.7 q X74
2018-08-15 00:38:31 C 17 01 50.74 -46 44 13.1 q X74
2018-08-15 00:52:14 C 17 01 50.72 -46 44 06.6 q X74
2018-08-15 01:54:09 C 17 01 50.59 -46 43 38.8 q X74
2018-08-15 02:12:26 C 17 01 50.54 -46 43 30.1 q X74
2018-08-15 02:31:03 C 17 01 50.49 -46 43 20.9 q X74
2018-08-17 07:02:21 C 17 01 56.90 -46 20 11.6 U T08
2018-08-17 07:13:39 C 17 01 56.92 -46 20 06.4 U T08
2018-08-17 07:24:17 C 17 01 56.93 -46 20 01.5 U T08
2018-08-17 07:35:36 C 17 01 56.96 -46 19 56.6 U T08
2018-09-08 06:23:13 C 17 14 42.38 -42 41 14.7 U T05
2018-09-08 06:33:52 C 17 14 42.81 -42 41 10.5 U T05
2018-09-08 06:55:06 C 17 14 43.66 -42 41 02.2 U T05
2018-09-16 05:53:06 C 17 23 47.37 -41 29 00.6 U T05
2018-09-16 06:07:42 C 17 23 48.12 -41 28 55.2 U T05
2018-09-16 06:21:01 C 17 23 48.81 -41 28 50.2 U T05
2018-10-22 05:36:33 C 18 25 06.98 -36 16 07.3 U T05
2018-10-22 05:48:34 C 18 25 08.01 -36 16 02.4 U T05
2018-10-22 05:59:53 C 18 25 08.96 -36 15 58.3 U T05
2018-11-09 04:56:56 C 19 04 33.18 -33 15 19.1 U T08
2018-11-09 04:57:36 C 19 04 33.28 -33 15 18.5 U T08
2018-11-09 05:12:31 C 19 04 34.70 -33 15 11.7 U T08
2018-11-09 05:19:20 C 19 04 35.34 -33 15 08.5 U T08
2018-11-09 05:45:29 C 19 04 37.86 -33 14 55.6 U T08
2018-11-21 04:45:27 C 19 33 02.44 -30 53 03.1 U T08
2018-11-21 04:57:06 C 19 33 03.62 -30 52 56.9 U T08
2018-11-21 05:11:12 C 19 33 05.04 -30 52 49.2 U T08
2018-12-01 04:40:16 C 19 57 46.90 -28 37 18.7 U T05
2018-12-01 04:50:28 C 19 57 47.96 -28 37 12.5 U T05
2018-12-01 05:04:51 C 19 57 49.44 -28 37 03.6 U T05
2018-12-01 05:19:48 C 19 57 51.00 -28 36 54.6 U T05
2019-11-25 15:19:26 C 13 14 20.94 -09 20 36.3 V T08
2019-11-25 15:39:15 C 13 14 22.13 -09 20 45.9 V T08
2019-11-25 15:44:17 C 13 14 22.43 -09 20 48.9 V T08
2019-11-25 15:45:36 C 13 14 22.48 -09 20 49.1 V T08
2019-11-27 15:09:56 C 13 17 05.54 -09 44 49.1 V T05
2019-11-27 15:14:35 C 13 17 05.86 -09 44 51.7 V T05
2019-11-27 15:23:12 C 13 17 06.32 -09 44 56.1 V T05
2019-11-27 15:31:12 C 13 17 06.77 -09 45 00.3 V T05
2019-12-11 14:48:23 C 13 35 24.86 -12 28 23.1 V T08
2019-12-11 14:53:02 C 13 35 25.12 -12 28 25.7 V T08