2018 SD1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4336600000
Semi-major axis (a)1.0968404000 AU
Inclination (i)18.06803000°
Long. of Asc. Node (Ω)177.23438000°
Arg. of Perihelion (ω)70.23173000°
Mean Anomaly (M)144.97493000°
Mean Motion (n)0.8580031600°/day
Perihelion dist (q)0.62118460 AU
Aphelion dist (Q)1.57249620 AU
Orbital Period1.14872260 yr
Physical Parameters
H (abs. magnitude)24.60
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.700″
Uncertainty5
Orbit TypeApollo
MOID0.019785 AU
Observations Used94
Oppositions1
Arc Total
First Observation Used
Last Observation Used2018-10-02
Observations (94)
Date Type RA Dec Mag Band Observatory
2018-09-19 08:50:28 C 23 00 33.23 +10 26 41.8 u 850
2018-09-19 08:52:56 C 23 00 34.35 +10 25 18.8 u 850
2018-09-19 08:55:24 C 23 00 35.34 +10 23 55.5 u 850
2018-09-19 08:57:51 C 23 00 36.44 +10 22 32.7 u 850
2018-09-19 09:01:33 C 23 00 38.04 +10 20 27.8 u 850
2018-09-19 18:30:46 C 23 05 05.44 +05 28 08.0 t L04
2018-09-19 18:39:52 C 23 05 08.60 +05 23 53.3 t L04
2018-09-19 18:51:53 C 23 05 12.71 +05 18 17.5 t L04
2018-09-19 19:07:30 C 23 05 19.82 +05 10 51.5 q A17
2018-09-19 19:13:16 C 23 05 21.83 +05 08 12.1 q A17
2018-09-19 19:18:11 C 23 05 23.47 +05 05 55.3 q A17
2018-09-19 19:44:13 C 23 05 33.05 +04 54 16.9 q K63
2018-09-19 19:47:40 C 23 05 34.08 +04 52 42.3 q K63
2018-09-19 19:51:37 C 23 05 35.46 +04 50 55.3 q K63
2018-09-19 19:56:14 C 23 05 37.01 +04 48 48.1 q K63
2018-09-19 19:57:57 C 23 05 37.57 +04 47 55.2 V 204
2018-09-19 20:03:21 C 23 05 39.37 +04 45 27.6 V 204
2018-09-19 20:08:45 C 23 05 41.15 +04 42 59.8 V 204
2018-09-19 20:38:34 C 23 05 51.68 +04 29 38.2 V C95
2018-09-19 20:47:00 C 23 05 54.38 +04 25 51.6 V C95
2018-09-19 20:55:26 C 23 05 57.08 +04 22 04.5 V C95
2018-09-19 21:03:51 C 23 05 59.58 +04 18 16.8 V C95
2018-09-19 21:08:52 C 23 05 55.75 +04 15 44.4 q 585
2018-09-19 21:09:53 C 23 05 56.12 +04 15 16.2 q 585
2018-09-19 21:10:24 C 23 05 56.28 +04 15 03.1 q 585
2018-09-19 21:11:00 C 23 05 56.47 +04 14 46.5 q 585
2018-09-19 21:11:51 C 23 05 56.73 +04 14 24.3 q 585
2018-09-19 22:12:17 C 23 06 17.73 +03 47 50.1 o K88
2018-09-19 22:15:49 C 23 06 18.84 +03 46 17.0 o K88
2018-09-19 22:19:22 C 23 06 19.93 +03 44 44.0 o K88
2018-09-20 23:09:43 C 23 13 31.18 -05 00 35.8 q K61
2018-09-20 23:10:14 C 23 13 31.27 -05 00 44.6 q K61
2018-09-20 23:11:17 C 23 13 31.47 -05 01 01.9 q K61
2018-09-20 23:12:50 C 23 13 31.76 -05 01 28.2 q K61
2018-09-21 03:16:48 C 23 14 38.32 -06 07 07.9 V I52
2018-09-21 03:17:03 C 23 14 38.33 -06 07 11.1 V I52
2018-09-21 03:17:20 C 23 14 38.40 -06 07 16.3 V I52
2018-09-21 03:17:35 C 23 14 38.42 -06 07 19.1 V I52
2018-09-28 06:21:51 C 23 31 10.34 -24 03 25.7 V I52
2018-09-28 06:24:14 C 23 31 10.39 -24 03 31.5 V I52
2018-09-28 06:32:17 C 23 31 10.58 -24 03 49.8 V I52
2018-10-02 06:27:20 C 23 34 36.29 -26 39 53.1 U 807
2018-10-02 06:35:24 C 23 34 36.43 -26 40 01.7 U 807
2018-10-02 06:44:38 C 23 34 36.60 -26 40 11.3 U 807