2021 SQ

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3074779000
Semi-major axis (a)1.1559710000 AU
Inclination (i)9.35242000°
Long. of Asc. Node (Ω)177.71382000° ± 5.00e+00
Arg. of Perihelion (ω)97.56548000°
Mean Anomaly (M)176.22016000°
Mean Motion (n)0.7930191500°/day
Perihelion dist (q)0.80053550 AU
Aphelion dist (Q)1.51140650 AU
Orbital Period1.24285480 yr
Physical Parameters
H (abs. magnitude)28.41
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.490″
Uncertainty7
Orbit TypeApollo
MOID0.000016 AU
Observations Used12
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-09-25
Observations (12)
Date Type RA Dec Mag Band Observatory
2021-09-23 10:10:19 C 00 16 57.217 -25 10 19.71 U F51
2021-09-23 10:26:39 C 00 17 01.190 -25 10 26.68 U F51
2021-09-23 10:42:58 C 00 17 05.173 -25 10 32.39 U F51
2021-09-23 10:59:14 C 00 17 09.122 -25 10 36.95 V F51
2021-09-23 12:16:22 C 00 17 27.766 -25 10 45.61 V F51
2021-09-23 12:17:18 C 00 17 28.011 -25 10 45.38 V F51
2021-09-24 04:28:53 C 00 22 41.94 -25 09 35.1 V 807
2021-09-24 04:35:50 C 00 22 42.90 -25 09 37.0 V 807
2021-09-24 04:42:38 C 00 22 43.81 -25 09 38.8 V 807
2021-09-25 04:17:01 C 00 27 18.95 -25 13 06.8 V 807
2021-09-25 04:25:25 C 00 27 19.49 -25 13 07.9 V 807
2021-09-25 04:33:27 C 00 27 20.01 -25 13 09.0 V 807