2018 SA3

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7068245168 ± 1.03e-07
Semi-major axis (a)2.7021237454 AU ± 2.91e-07
Inclination (i)21.71954053° ± 9.07e-06
Long. of Asc. Node (Ω)312.55474716° ± 6.38e-05
Arg. of Perihelion (ω)356.60372835° ± 5.20e-05
Mean Anomaly (M)227.00675131° ± 9.47e-05
Mean Motion (n)0.2218985300°/day ± 3.58e-08
Perihelion dist (q)0.79219643 AU ± 2.92e-07
Aphelion dist (Q)4.61205106 AU ± 5.70e-07
Orbital Period4.44178825 yr ± 7.17e-07
Physical Parameters
H (abs. magnitude)18.12
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.265″
Uncertainty0
Orbit TypeApollo
MOID0.221160 AU
Observations Used213
Oppositions4
Arc Total2014-2019
First Observation Used2014-11-30
Last Observation Used2019-01-23
Observations (225)
Date Type RA Dec Mag Band Observatory
2018-10-14 19:00:46 C 20 34 11.04 +76 26 58.3 V K30
2018-10-14 19:08:13 C 20 34 15.39 +76 26 52.3 V K30
2018-10-15 18:14:43 C 20 47 39.21 +76 06 51.6 q A17
2018-10-15 18:26:03 C 20 47 45.35 +76 06 41.3 q A17
2018-10-15 18:37:24 C 20 47 51.54 +76 06 30.7 q A17
2018-10-19 01:43:06 C 21 27 30.72 +74 43 18.0 17.8 q H21
2018-10-19 01:47:28 C 21 27 32.59 +74 43 12.9 17.8 q H21
2018-10-19 01:51:48 C 21 27 34.46 +74 43 07.9 17.8 q H21
2018-10-19 02:03:50 C 21 27 39.61 +74 42 53.7 17.8 q H21
2018-10-19 02:09:35 C 21 27 42.10 +74 42 46.9 17.9 q H21
2018-10-19 02:15:22 C 21 27 44.59 +74 42 40.1 17.7 q H21
2018-10-19 02:21:08 C 21 27 47.06 +74 42 33.3 17.8 q H21
2018-10-20 02:55:34 C 21 38 20.39 +74 13 09.0 V I52
2018-10-20 02:56:11 C 21 38 20.61 +74 13 08.1 V I52
2018-10-20 02:59:06 C 21 38 21.81 +74 13 04.7 V I52
2018-10-20 03:04:33 C 21 38 24.00 +74 12 57.9 V I52
2018-10-20 20:43:59 C 21 45 29.52 +73 50 57.8 V C95
2018-10-20 20:53:31 C 21 45 33.18 +73 50 45.6 V C95
2018-10-20 21:03:04 C 21 45 36.87 +73 50 33.0 V C95
2018-10-20 21:12:37 C 21 45 40.39 +73 50 21.3 V C95
2018-10-28 02:19:54 C 22 39 30.53 +69 54 02.1 u H21
2018-10-28 02:25:19 C 22 39 31.86 +69 53 54.4 u H21
2018-10-28 02:31:52 C 22 39 33.42 +69 53 45.2 u H21
2018-10-31 16:34:45 C 22 58 43.68 +67 49 28.6 r P93
2018-10-31 16:43:24 C 22 58 45.28 +67 49 15.6 r P93
2018-10-31 16:45:33 C 22 58 45.71 +67 49 12.9 r P93
2018-10-31 16:49:52 C 22 58 46.61 +67 49 06.8 r P93
2018-11-11 02:46:33 C 23 39 44.36 +61 51 43.0 U U63
2018-11-11 03:32:34 C 23 39 50.17 +61 50 43.6 o 291
2018-11-11 03:36:52 C 23 39 50.68 +61 50 37.3 o 291
2018-11-11 03:41:11 C 23 39 51.23 +61 50 31.3 o 291
2018-11-11 03:42:41 C 23 39 51.68 +61 50 25.7 U U63
2018-11-11 03:46:54 C 23 39 52.20 +61 50 20.1 U U63
2018-11-11 03:51:08 C 23 39 52.72 +61 50 13.8 U U63
2018-11-11 04:04:22 C 23 39 54.48 +61 49 55.7 U U63
2018-11-11 04:15:50 C 23 39 55.99 +61 49 39.6 U U63
2018-11-11 04:21:30 C 23 39 56.73 +61 49 32.1 U U63
2018-11-12 21:29:10 C 23 45 19.97 +60 52 52.7 o B67
2018-11-12 21:41:18 C 23 45 21.50 +60 52 35.9 o B67
2018-11-12 21:53:26 C 23 45 23.01 +60 52 19.3 o B67
2018-11-13 20:12:56 C 23 48 12.83 +60 21 57.9 V K38
2018-11-13 20:13:10 C 23 48 12.73 +60 21 57.7 q K61
2018-11-13 20:13:47 C 23 48 12.80 +60 21 56.5 q K61
2018-11-13 20:14:43 C 23 48 12.92 +60 21 55.1 q K61
2018-11-13 20:45:09 C 23 48 16.63 +60 21 13.7 V K38
2018-11-13 21:18:43 C 23 48 20.68 +60 20 27.8 V K38
2018-11-14 02:20:22 C 23 48 58.58 +60 13 42.6 q H21
2018-11-14 02:23:17 C 23 48 58.90 +60 13 38.7 u H21
2018-11-14 02:27:47 C 23 48 59.44 +60 13 32.5 18.4 q H21
2018-11-14 02:32:09 C 23 48 59.93 +60 13 26.7 u H21