2021 SF3

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1771018511 ± 1.16e-05
Semi-major axis (a)1.0476702390 AU ± 2.67e-05
Inclination (i)22.34065041° ± 3.51e-03
Long. of Asc. Node (Ω)17.66594715° ± 1.89e-04
Arg. of Perihelion (ω)127.34697485° ± 4.38e-03
Mean Anomaly (M)189.17231752° ± 4.66e-02
Mean Motion (n)0.9191266644°/day ± 3.51e-05
Perihelion dist (q)0.86212590 AU ± 2.51e-05
Aphelion dist (Q)1.23321458 AU ± 3.37e-05
Orbital Period1.07235088 yr ± 4.10e-05
Physical Parameters
H (abs. magnitude)23.43
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.260″
Uncertainty2
Orbit TypeApollo
MOID0.081686 AU
Observations Used26
Oppositions1
Arc Total2021-2021
First Observation Used2021-09-30
Last Observation Used2021-11-07
Observations (27)
Date Type RA Dec Mag Band Observatory
2021-09-30 11:22:18 C 01 52 54.194 -13 19 47.08 U F52
2021-09-30 11:37:50 C 01 52 50.349 -13 19 12.81 U F52
2021-09-30 11:53:31 C 01 52 46.460 -13 18 37.94 U F52
2021-09-30 13:39:57 C 01 52 20.129 -13 14 40.60 V F51
2021-09-30 13:41:08 C 01 52 19.848 -13 14 37.98 V F51
2021-10-01 09:28:06 C 01 47 35.58 -12 29 28.1 V V06
2021-10-01 09:30:02 C 01 47 35.10 -12 29 23.8 V V06
2021-10-01 09:31:58 C 01 47 34.60 -12 29 19.0 V V06
2021-10-01 09:33:53 C 01 47 34.12 -12 29 14.5 V V06
2021-10-01 22:45:55 C 01 44 18.39 -11 57 37.5 V L01
2021-10-01 22:48:24 C 01 44 17.78 -11 57 32.4 V L01
2021-10-01 22:50:54 C 01 44 17.07 -11 57 26.8 V L01
2021-10-01 22:57:47 C 01 44 15.25 -11 57 09.5 V L01
2021-10-08 21:19:05 C 00 54 58.59 -03 30 35.2 V A17
2021-10-08 21:33:47 C 00 54 53.51 -03 29 42.0 V A17
2021-10-08 21:49:05 C 00 54 48.18 -03 28 46.6 V A17
2021-10-10 07:37:19 C 00 43 12.25 -01 23 03.0 V G96
2021-10-10 07:44:45 C 00 43 09.53 -01 22 34.7 V G96
2021-10-10 07:58:42 C 00 43 04.52 -01 21 42.2 V G96
2021-10-10 08:06:08 C 00 43 01.79 -01 21 13.8 V G96
2021-10-26 04:37:36 C 22 30 49.54 +21 50 37.5 V V06
2021-10-26 04:39:32 C 22 30 48.93 +21 50 42.9 V V06
2021-10-26 04:41:28 C 22 30 48.36 +21 50 48.4 V V06
2021-11-01 02:22:13 C 21 54 22.92 +27 12 23.2 o 691
2021-11-01 02:51:38 C 21 54 15.95 +27 13 18.6 o 691
2021-11-07 00:37:56 C 21 26 52.48 +30 57 49.0 u H21
2021-11-07 00:51:58 C 21 26 49.98 +30 58 08.0 u H21