2017 SN21

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2666512000
Semi-major axis (a)1.2817030000 AU
Inclination (i)8.79726000°
Long. of Asc. Node (Ω)194.35696000°
Arg. of Perihelion (ω)232.62909000°
Mean Anomaly (M)184.15296000°
Mean Motion (n)0.6792395400°/day
Perihelion dist (q)0.93993540 AU
Aphelion dist (Q)1.62347060 AU
Orbital Period1.45104570 yr
Physical Parameters
H (abs. magnitude)26.00
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.340″
Uncertainty7
Orbit TypeApollo
MOID0.016349 AU
Observations Used37
Oppositions1
Arc Total
First Observation Used
Last Observation Used2017-10-06
Observations (37)
Date Type RA Dec Mag Band Observatory
2017-09-30 09:52:48 C 00 46 26.25 +28 24 20.8 q G96
2017-09-30 09:59:37 C 00 46 28.69 +28 24 05.8 q G96
2017-09-30 10:06:29 C 00 46 31.14 +28 23 51.0 q G96
2017-09-30 10:13:17 C 00 46 33.59 +28 23 36.3 q G96
2017-09-30 11:35:30 C 00 47 03.89 +28 20 32.0 q G96
2017-09-30 11:36:04 C 00 47 04.08 +28 20 30.8 q G96
2017-09-30 11:36:40 C 00 47 04.29 +28 20 29.4 q G96
2017-09-30 11:37:14 C 00 47 04.52 +28 20 28.3 q G96
2017-10-01 04:18:42 C 00 54 21.09 +27 43 55.4 u H21
2017-10-01 04:31:16 C 00 54 26.12 +27 43 27.3 u H21
2017-10-01 04:44:23 C 00 54 31.41 +27 42 57.0 u H21
2017-10-02 05:18:55 C 01 06 22.41 +26 36 40.0 q G96
2017-10-02 05:19:30 C 01 06 22.67 +26 36 38.7 q G96
2017-10-02 05:20:05 C 01 06 22.92 +26 36 37.0 q G96
2017-10-02 05:20:45 C 01 06 23.26 +26 36 34.9 q G96
2017-10-02 05:24:46 C 01 06 25.26 +26 36 26.8 o 926
2017-10-02 05:29:04 C 01 06 27.29 +26 36 14.2 o 926
2017-10-02 05:33:23 C 01 06 29.28 +26 36 01.6 o 926
2017-10-02 09:55:52 C 01 08 33.31 +26 22 22.1 o 926
2017-10-02 10:00:12 C 01 08 35.39 +26 22 07.4 o 926
2017-10-02 10:04:29 C 01 08 37.47 +26 21 52.3 o 926
2017-10-03 01:11:07 C 01 17 10.45 +25 28 34.1 q J95
2017-10-03 01:34:45 C 01 17 23.34 +25 27 04.8 q J95
2017-10-03 01:53:27 C 01 17 33.58 +25 25 53.2 q J95
2017-10-03 05:30:15 C 01 19 54.43 +25 13 02.1 o 926
2017-10-03 05:33:45 C 01 19 56.36 +25 12 48.8 o 926
2017-10-03 05:37:16 C 01 19 58.30 +25 12 36.2 o 926
2017-10-03 08:00:42 C 01 21 17.51 +25 03 17.9 q G96
2017-10-03 08:01:18 C 01 21 17.85 +25 03 15.9 q G96
2017-10-03 08:01:52 C 01 21 18.13 +25 03 13.2 q G96
2017-10-03 08:02:28 C 01 21 18.47 +25 03 10.8 q G96
2017-10-04 07:02:56 C 01 36 36.36 +23 18 52.6 o 926
2017-10-04 07:06:11 C 01 36 38.50 +23 18 36.3 o 926
2017-10-04 07:09:26 C 01 36 40.59 +23 18 19.5 o 926
2017-10-05 23:26:32 C 02 09 32.25 +19 00 20.2 U J95
2017-10-06 00:00:37 C 02 10 02.10 +18 55 56.7 U J95
2017-10-06 00:22:36 C 02 10 21.44 +18 53 04.4 U J95