2017 SC20

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4548313660 ± 7.67e+00
Semi-major axis (a)1.6822860219 AU ± 2.10e+01
Inclination (i)10.36455189° ± 1.50e+02
Long. of Asc. Node (Ω)185.97765480° ± 6.02e+01
Arg. of Perihelion (ω)120.55984977° ± 7.02e+01
Mean Anomaly (M)288.12813018° ± 2.59e+04
Mean Motion (n)0.4520610300°/day ± 8.47e+00
Perihelion dist (q)0.91378060 AU ± 1.73e+01
Aphelion dist (Q)2.44902160 AU ± 3.32e+01
Orbital Period2.18025350 yr ± 4.08e+01
Physical Parameters
H (abs. magnitude)23.80
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.748″
Uncertainty3
Orbit TypeApollo
MOID0.039310 AU
Observations Used59
Oppositions1
Arc Total2017-2017
First Observation Used
Last Observation Used2017-10-19
Observations (59)
Date Type RA Dec Mag Band Observatory
2017-09-30 03:49:26 C 22 24 47.13 -06 21 35.4 q I52
2017-09-30 03:50:49 C 22 24 47.93 -06 21 39.5 q I52
2017-09-30 03:52:12 C 22 24 48.76 -06 21 43.9 q I52
2017-09-30 03:53:37 C 22 24 49.57 -06 21 48.6 q I52
2017-10-19 11:50:32 C 00 26 33.42 -13 53 03.1 U 474
2017-10-19 11:55:36 C 00 26 33.88 -13 53 03.1 U 474
2017-10-19 12:00:40 C 00 26 34.42 -13 53 03.2 U 474
2017-10-19 12:10:48 C 00 26 35.43 -13 53 04.1 U 474
2017-10-19 12:15:52 C 00 26 35.91 -13 53 04.0 U 474