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
2018-10-02 17:53:48 C 17 04 21.56 +75 25 50.2 r 106
2018-10-02 17:58:18 C 17 04 24.62 +75 25 55.9 r 106
2018-10-02 18:05:13 C 17 04 29.19 +75 26 07.9 q K63
2018-10-02 18:07:59 C 17 04 30.97 +75 26 11.5 q K63
2018-10-02 18:23:36 C 17 04 41.65 +75 26 34.1 q K63
2018-10-02 19:27:18 C 17 05 24.56 +75 28 03.5 V L01
2018-10-02 19:29:34 C 17 05 26.17 +75 28 06.8 V L01
2018-10-02 19:30:43 C 17 05 26.90 +75 28 08.5 V L01
2018-10-02 19:31:50 C 17 05 27.67 +75 28 09.9 V L01
2018-10-02 19:32:59 C 17 05 28.48 +75 28 11.4 V L01
2018-10-02 19:35:43 C 17 05 30.47 +75 28 17.1 t K38
2018-10-02 20:10:10 C 17 05 54.09 +75 29 05.5 t K38
2018-10-02 20:40:48 C 17 06 14.95 +75 29 48.5 t K38
2018-10-03 00:53:46 C 17 09 12.80 +75 35 35.1 t L04
2018-10-03 00:59:36 C 17 09 17.01 +75 35 43.5 t L04
2018-10-03 01:06:40 C 17 09 22.07 +75 35 53.2 t L04
2018-10-04 01:25:05 S 17 26 44.028 +76 07 59.74 L C51
2018-10-04 04:33:35 S 17 29 01.514 +76 11 41.46 L C51
2018-10-04 07:42:05 S 17 31 19.687 +76 15 17.06 L C51
2018-10-04 13:58:54 S 17 35 57.828 +76 22 12.40 L C51
2018-10-04 13:59:05 S 17 35 58.018 +76 22 12.47 L C51
2018-10-05 06:48:49 C 17 48 29.37 +76 39 04.9 U T05
2018-10-05 07:01:52 C 17 48 39.08 +76 39 15.5 U T05
2018-10-05 07:13:45 C 17 48 48.07 +76 39 25.7 U T05
2018-10-05 07:25:15 C 17 48 56.55 +76 39 35.1 U T05
2018-10-05 07:29:15 C 17 48 59.53 +76 39 37.8 U T05
2018-10-05 07:52:53 C 17 49 16.96 +76 39 57.1 U T05
2018-10-05 19:14:46 C 17 57 59.81 +76 49 33.8 q C23
2018-10-05 19:16:52 C 17 58 01.27 +76 49 35.4 q C23
2018-10-05 19:21:01 C 17 58 04.41 +76 49 37.8 q C23
2018-10-05 19:23:06 C 17 58 06.07 +76 49 40.2 q C23
2018-10-05 19:25:10 C 17 58 07.55 +76 49 41.4 q C23
2018-10-08 20:02:22 C 18 54 26.16 +77 22 32.8 V K38
2018-10-08 20:21:00 C 18 54 40.17 +77 22 34.4 V K38
2018-10-08 20:39:38 C 18 54 54.33 +77 22 35.8 V K38
2018-10-08 20:58:46 C 18 55 08.82 +77 22 37.3 V K38
2018-10-09 18:25:10 C 19 11 34.60 +77 23 23.6 V C47
2018-10-09 18:35:47 C 19 11 42.39 +77 23 22.6 V C47
2018-10-09 18:46:25 C 19 11 50.29 +77 23 21.9 V C47
2018-10-09 18:57:03 C 19 11 58.17 +77 23 20.9 V C47
2018-10-09 19:12:58 C 19 12 09.98 +77 23 19.4 V C47
2018-10-09 22:20:23 C 19 14 30.03 +77 22 59.8 V Z80
2018-10-09 22:29:06 C 19 14 36.85 +77 22 57.8 V Z80
2018-10-09 22:34:19 C 19 14 40.33 +77 22 58.5 V Z80
2018-10-09 22:39:32 C 19 14 44.78 +77 22 56.8 V Z80
2018-10-10 19:59:17 C 19 30 37.08 +77 19 27.1 c A48
2018-10-10 20:03:29 C 19 30 40.06 +77 19 25.7 c A48
2018-10-10 20:07:42 C 19 30 42.98 +77 19 24.5 c A48
2018-10-10 20:11:55 C 19 30 45.93 +77 19 23.9 c A48
2018-10-14 18:53:36 C 20 34 06.89 +76 27 04.3 V K30