2017 SQ21

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4951511668 ± 1.39e-07
Semi-major axis (a)2.3845618104 AU ± 4.59e-08
Inclination (i)8.65755219° ± 2.41e-05
Long. of Asc. Node (Ω)152.92197984° ± 1.73e-04
Arg. of Perihelion (ω)150.37770935° ± 2.57e-04
Mean Anomaly (M)107.33342663° ± 1.03e-04
Mean Motion (n)0.2676698156°/day ± 7.73e-09
Perihelion dist (q)1.20384325 AU ± 3.32e-07
Aphelion dist (Q)3.56528037 AU ± 3.38e-07
Orbital Period3.68224666 yr ± 1.06e-07
Physical Parameters
H (abs. magnitude)20.25
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.205″
Uncertainty0
Orbit TypeAmor
MOID0.200837 AU
Observations Used57
Oppositions8
Arc Total2013-2024
First Observation Used2013-04-03
Last Observation Used2024-04-18
Observations (58)
Date Type RA Dec Mag Band Observatory
2024-04-01 10:10:22 C 12 55 49.598 +04 44 17.69 V F52
2024-04-01 10:27:38 C 12 55 48.745 +04 44 26.37 V F52
2024-04-01 10:44:54 C 12 55 47.954 +04 44 35.05 V F52
2024-04-01 11:02:10 C 12 55 47.205 +04 44 43.87 V F52
2024-04-18 04:08:34 C 12 37 04.810 +07 54 43.70 V V06
2024-04-18 04:38:17 C 12 37 03.390 +07 54 56.30 V V06
2024-04-18 05:07:59 C 12 37 01.930 +07 55 07.60 V V06
2024-04-18 05:37:42 C 12 37 00.600 +07 55 20.70 V V06