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
2018-09-30 17:56:12 C 16 33 04.64 +74 03 01.1 t L04
2018-09-30 18:01:59 C 16 33 08.71 +74 03 12.8 V 118
2018-09-30 18:10:16 C 16 33 13.50 +74 03 29.1 V 118
2018-09-30 18:15:24 C 16 33 16.77 +74 03 38.9 V 118
2018-09-30 18:22:39 C 16 33 21.35 +74 03 52.2 V A35
2018-09-30 18:27:02 C 16 33 23.98 +74 04 00.9 V A35
2018-09-30 18:30:53 C 16 33 26.37 +74 04 08.0 V A35
2018-09-30 19:52:00 C 16 34 15.85 +74 06 39.6 18.6 S K80
2018-09-30 20:09:35 C 16 34 26.62 +74 07 12.4 18.5 S K80
2018-09-30 20:15:48 C 16 34 29.99 +74 07 20.4 q L33
2018-09-30 20:25:36 C 16 34 36.52 +74 07 41.9 18.4 S K80
2018-09-30 20:28:41 C 16 34 38.13 +74 07 44.1 q L33
2018-09-30 20:40:41 C 16 34 45.75 +74 08 07.9 q L33
2018-09-30 20:41:36 C 16 34 46.43 +74 08 11.8 18.7 S K80
2018-09-30 20:59:19 C 16 34 57.41 +74 08 45.0 18.5 S K80
2018-09-30 21:13:34 C 16 35 06.28 +74 09 11.3 18.2 S K80
2018-09-30 21:29:33 C 16 35 16.19 +74 09 41.1 18.4 S K80
2018-09-30 21:45:43 C 16 35 26.34 +74 10 10.7 18.3 S K80
2018-09-30 22:01:42 C 16 35 36.28 +74 10 40.5 18.4 S K80
2018-09-30 22:17:46 C 16 35 46.41 +74 11 10.2 18.9 S K80
2018-09-30 22:33:43 C 16 35 56.39 +74 11 39.9 18.1 S K80
2018-09-30 22:49:42 C 16 36 06.48 +74 12 09.3 18.6 S K80
2018-09-30 22:50:51 C 16 36 06.67 +74 12 16.8 V Z80
2018-09-30 23:02:11 C 16 36 13.82 +74 12 37.0 V Z80
2018-09-30 23:05:42 C 16 36 16.60 +74 12 38.9 18.6 S K80
2018-09-30 23:08:57 C 16 36 18.21 +74 12 48.6 V Z80
2018-09-30 23:19:00 C 16 36 24.14 +74 13 07.8 V Z80
2018-09-30 23:21:41 C 16 36 26.71 +74 13 08.3 18.3 S K80
2018-09-30 23:37:39 C 16 36 36.81 +74 13 37.8 17.9 S K80
2018-10-01 01:10:39 C 16 37 34.16 +74 16 57.9 u H21
2018-10-01 01:15:00 C 16 37 36.78 +74 17 05.7 u H21
2018-10-01 01:19:21 C 16 37 39.48 +74 17 13.6 u H21
2018-10-01 01:23:42 C 16 37 42.12 +74 17 21.5 u H21
2018-10-01 01:28:03 C 16 37 44.80 +74 17 29.4 u H21
2018-10-01 01:32:24 C 16 37 47.47 +74 17 37.2 u H21
2018-10-01 01:36:18 C 16 37 49.89 +74 17 44.3 u H21
2018-10-01 07:17:08 C 16 41 23.44 +74 28 14.7 U T05
2018-10-01 07:21:45 C 16 41 26.43 +74 28 22.4 U T05
2018-10-01 07:41:18 C 16 41 38.79 +74 28 56.6 U T05
2018-10-01 07:52:07 C 16 41 45.62 +74 29 14.8 U T05
2018-10-02 00:46:43 C 16 52 47.58 +74 58 50.1 u H21
2018-10-02 00:51:05 C 16 52 50.41 +74 58 57.1 u H21
2018-10-02 00:55:26 C 16 52 53.19 +74 59 04.1 u H21
2018-10-02 01:28:03 C 16 53 13.79 +74 59 55.8 q W34
2018-10-02 01:38:04 C 16 53 20.31 +75 00 11.4 q W34
2018-10-02 01:46:41 C 16 53 25.93 +75 00 25.2 q W34
2018-10-02 01:54:45 C 16 53 31.20 +75 00 37.7 q W34
2018-10-02 02:02:41 C 16 53 36.39 +75 00 50.4 q W34
2018-10-02 02:11:30 C 16 53 42.14 +75 01 04.2 q W34
2018-10-02 17:49:18 C 17 04 18.30 +75 25 42.9 r 106