2017 SB21

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4601268000
Semi-major axis (a)1.7561355000 AU
Inclination (i)11.20469000°
Long. of Asc. Node (Ω)13.68353000°
Arg. of Perihelion (ω)300.70930000°
Mean Anomaly (M)198.97598000°
Mean Motion (n)0.4235132800°/day
Perihelion dist (q)0.94809050 AU
Aphelion dist (Q)2.56418050 AU
Orbital Period2.32721780 yr
Physical Parameters
H (abs. magnitude)24.50
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.230″
Uncertainty6
Orbit TypeApollo
MOID0.062709 AU
Observations Used28
Oppositions1
Arc Total
First Observation Used
Last Observation Used2017-10-17
Observations (28)
Date Type RA Dec Mag Band Observatory
2017-09-29 13:30:18 C 02 17 48.318 +02 11 21.08 L F51
2017-09-29 13:47:55 C 02 17 43.698 +02 12 54.03 L F51
2017-09-29 14:05:40 C 02 17 39.038 +02 14 27.93 L F51
2017-09-29 14:23:21 C 02 17 34.440 +02 16 01.32 L F51
2017-09-30 07:30:52 C 02 13 36.31 +03 43 24.1 u H21
2017-09-30 07:38:14 C 02 13 34.49 +03 44 00.7 u H21
2017-09-30 07:47:51 C 02 13 32.09 +03 44 48.5 u H21
2017-09-30 07:55:56 C 02 13 31.94 +03 45 38.7 o 926
2017-09-30 08:00:41 C 02 13 30.76 +03 46 01.8 o 926
2017-09-30 08:05:23 C 02 13 29.55 +03 46 25.7 o 926
2017-09-30 08:58:31 C 02 13 16.36 +03 50 48.6 o 926
2017-09-30 09:03:12 C 02 13 15.19 +03 51 12.1 o 926
2017-09-30 09:07:56 C 02 13 14.02 +03 51 36.0 o 926
2017-09-30 11:49:54 C 02 12 37.665 +04 05 06.04 L F51
2017-09-30 11:50:51 C 02 12 37.422 +04 05 10.79 L F51
2017-09-30 12:07:24 C 02 12 33.315 +04 06 31.68 L F51
2017-09-30 12:08:20 C 02 12 33.072 +04 06 36.33 L F51
2017-09-30 12:25:49 C 02 12 28.721 +04 08 02.10 L F51
2017-09-30 12:42:19 C 02 12 24.646 +04 09 21.97 L F51
2017-10-01 04:53:11 C 02 08 55.68 +05 25 41.6 o 291
2017-10-01 04:58:59 C 02 08 54.40 +05 26 08.0 o 291
2017-10-01 05:04:43 C 02 08 53.07 +05 26 34.9 o 291
2017-10-01 08:04:23 C 02 08 11.65 +05 40 19.0 o 926
2017-10-01 08:09:43 C 02 08 10.40 +05 40 43.3 o 926
2017-10-01 08:15:04 C 02 08 09.16 +05 41 08.3 o 926
2017-10-17 04:51:49 C 01 17 00.57 +21 06 11.6 u H21
2017-10-17 05:18:44 C 01 16 58.17 +21 06 42.1 u H21
2017-10-17 05:46:50 C 01 16 55.67 +21 07 13.4 u H21