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
2018-11-14 02:35:12 C 23 49 00.32 +60 13 22.7 18.4 q H21
2018-11-14 02:42:37 C 23 49 01.23 +60 13 12.6 18.5 q H21
2018-11-14 02:44:03 C 23 49 01.35 +60 13 10.6 u H21
2018-11-14 02:50:00 C 23 49 02.06 +60 13 02.4 18.5 q H21
2018-11-20 07:29:18 C 00 06 10.339 +56 59 13.49 U F52
2018-11-20 07:46:05 C 00 06 12.041 +56 58 52.27 U F52
2018-11-20 08:02:54 C 00 06 13.766 +56 58 30.91 U F52
2018-11-21 05:17:51 C 00 08 30.02 +56 31 59.0 o 695
2018-11-21 05:21:12 C 00 08 30.38 +56 31 54.6 o 695
2018-11-21 05:24:34 C 00 08 30.70 +56 31 50.8 o 695
2018-12-13 04:18:46 C 00 56 56.89 +47 22 51.5 V I52
2018-12-13 04:22:28 C 00 56 57.18 +47 22 49.4 V I52
2018-12-13 04:26:11 C 00 56 57.51 +47 22 46.4 V I52
2018-12-13 04:27:17 C 00 56 57.61 +47 22 45.0 V I52
2018-12-18 01:40:15 C 01 06 34.27 +45 49 21.7 20.0 q H21
2018-12-18 01:57:41 C 01 06 35.62 +45 49 08.0 19.8 q H21
2018-12-18 02:15:07 C 01 06 36.96 +45 48 55.3 q H21
2018-12-18 06:12:59 C 01 06 56.302 +45 45 58.65 V F51
2018-12-18 06:49:49 C 01 06 59.161 +45 45 31.05 V F51
2019-01-04 06:27:21 C 01 38 52.66 +41 33 59.1 o 291
2019-01-04 06:33:04 C 01 38 53.08 +41 33 55.9 o 291
2019-01-04 06:38:49 C 01 38 53.51 +41 33 53.1 o 291
2019-01-23 05:57:56 C 02 13 08.404 +38 38 07.44 V F51
2019-01-23 06:15:29 C 02 13 09.684 +38 38 02.49 V F51
2019-01-23 06:50:25 C 02 13 12.211 +38 37 51.83 V F51