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
2018-09-17 06:22:45 C 22 07 34.69 +52 40 12.9 U I41
2018-09-17 07:30:03 C 22 09 55.82 +51 31 57.4 U I41
2018-09-17 07:30:33 C 22 09 56.79 +51 31 27.6 U I41
2018-09-18 07:24:22 C 22 43 59.47 +28 27 56.9 U I41
2018-09-18 07:24:52 C 22 43 59.80 +28 27 31.3 U I41
2018-09-18 08:07:17 C 22 44 34.04 +27 50 58.7 U I41
2018-09-18 08:07:47 C 22 44 34.42 +27 50 33.2 U I41
2018-09-18 10:46:39 C 22 46 50.32 +25 38 44.6 U T05
2018-09-18 11:02:49 C 22 47 01.88 +25 25 29.6 U T05
2018-09-18 11:29:00 C 22 47 20.81 +25 04 00.9 U T05
2018-09-18 19:21:53 C 22 53 28.01 +18 59 46.8 t G34
2018-09-18 19:23:38 C 22 53 29.11 +18 58 29.9 t G34
2018-09-18 19:25:20 C 22 53 30.23 +18 57 17.5 t G34
2018-09-18 19:26:59 C 22 53 31.09 +18 56 09.7 t G34
2018-09-18 19:50:20 C 22 53 43.97 +18 39 54.6 o K88
2018-09-18 19:52:42 C 22 53 45.35 +18 38 14.5 o K88
2018-09-18 19:55:04 C 22 53 46.73 +18 36 34.4 o K88
2018-09-18 19:57:25 C 22 53 48.09 +18 34 54.9 o K88
2018-09-18 19:59:47 C 22 53 49.48 +18 33 14.6 o K88
2018-09-18 21:30:02 C 22 54 42.18 +17 30 29.8 t 595
2018-09-18 21:32:29 C 22 54 43.53 +17 28 48.7 t 595
2018-09-18 21:34:55 C 22 54 44.86 +17 27 08.0 t 595
2018-09-18 21:37:22 C 22 54 46.19 +17 25 27.1 t 595
2018-09-18 21:42:55 C 22 54 49.16 +17 21 41.6 S L01
2018-09-18 21:44:03 C 22 54 49.77 +17 20 55.3 S L01
2018-09-18 21:45:12 C 22 54 50.40 +17 20 08.4 S L01
2018-09-18 21:45:25 C 22 54 50.39 +17 19 31.3 t G34
2018-09-18 21:46:20 C 22 54 51.02 +17 19 21.9 S L01
2018-09-18 21:47:10 C 22 54 51.37 +17 18 18.0 t G34
2018-09-18 21:47:28 C 22 54 51.63 +17 18 35.4 S L01
2018-09-18 21:52:45 C 22 54 54.43 +17 14 29.6 t G34
2018-09-18 22:06:30 C 22 55 01.51 +17 05 15.8 S C47
2018-09-18 22:09:46 C 22 55 03.27 +17 03 03.3 S C47
2018-09-18 22:13:01 C 22 55 04.99 +17 00 49.9 S C47
2018-09-18 22:16:16 C 22 55 06.78 +16 58 37.6 S C47
2018-09-18 22:19:39 C 22 55 08.59 +16 56 19.6 S C47
2018-09-18 22:33:54 C 22 55 14.98 +16 46 43.9 o K88
2018-09-18 22:36:18 C 22 55 16.25 +16 45 05.9 o K88
2018-09-18 22:38:42 C 22 55 17.54 +16 43 28.9 o K88
2018-09-19 00:47:36 C 22 56 52.19 +15 18 36.2 q W34
2018-09-19 01:04:53 C 22 57 01.15 +15 07 29.9 q W34
2018-09-19 06:44:42 C 22 59 47.64 +11 39 12.7 U I41
2018-09-19 06:45:12 C 22 59 47.87 +11 38 54.9 U I41
2018-09-19 07:39:44 C 23 00 10.49 +11 07 20.4 U I41
2018-09-19 07:40:14 C 23 00 10.72 +11 07 03.5 U I41
2018-09-19 08:27:21 C 23 00 30.02 +10 40 11.7 U I41
2018-09-19 08:27:51 C 23 00 30.19 +10 39 55.4 U I41
2018-09-19 08:43:11 C 23 00 30.05 +10 30 48.1 u 850
2018-09-19 08:45:39 C 23 00 31.10 +10 29 25.6 u 850
2018-09-19 08:48:01 C 23 00 32.17 +10 28 04.8 u 850