2017 SY20

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5558006358 ± 3.63e-05
Semi-major axis (a)2.3532764775 AU ± 1.99e-04
Inclination (i)5.44895707° ± 2.56e-04
Long. of Asc. Node (Ω)204.25035277° ± 2.92e-05
Arg. of Perihelion (ω)183.84660507° ± 1.18e-04
Mean Anomaly (M)85.89613093° ± 1.02e-01
Mean Motion (n)0.2730252701°/day ± 3.46e-05
Perihelion dist (q)1.04532392 AU ± 1.23e-04
Aphelion dist (Q)3.66122904 AU ± 3.21e-04
Orbital Period3.61001853 yr ± 4.57e-04
Physical Parameters
H (abs. magnitude)24.34
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.314″
Uncertainty3
Orbit TypeAmor
MOID0.048085 AU
Observations Used111
Oppositions1
Arc Total2017-2017
First Observation Used2017-09-29
Last Observation Used2017-11-28
Observations (116)
Date Type RA Dec Mag Band Observatory
2017-09-29 02:34:58 C 21 34 49.83 +08 16 34.6 q G96
2017-09-29 02:43:22 C 21 34 50.89 +08 16 34.8 q G96
2017-09-29 02:51:42 C 21 34 51.99 +08 16 34.7 q G96
2017-09-29 03:29:02 C 21 34 56.71 +08 16 34.6 q G96
2017-09-29 03:33:27 C 21 34 57.29 +08 16 34.3 q G96
2017-09-29 03:35:51 C 21 34 57.61 +08 16 34.7 q G96
2017-09-29 05:58:59 C 21 35 15.77 +08 16 29.6 q I52
2017-09-29 06:03:40 C 21 35 16.40 +08 16 29.6 q I52
2017-09-29 06:08:21 C 21 35 17.01 +08 16 29.8 q I52
2017-09-29 06:13:02 C 21 35 17.66 +08 16 28.8 q I52
2017-09-30 02:54:52 C 21 38 34.96 +08 15 49.1 q I52
2017-09-30 02:59:00 C 21 38 35.57 +08 15 49.3 q I52
2017-09-30 03:02:12 C 21 38 36.02 +08 15 49.5 q G96
2017-09-30 03:03:09 C 21 38 36.16 +08 15 50.3 q I52
2017-09-30 03:03:31 C 21 38 36.20 +08 15 49.6 q G96
2017-09-30 03:04:38 C 21 38 36.36 +08 15 49.7 q G96
2017-09-30 03:05:43 C 21 38 36.55 +08 15 49.5 q G96
2017-09-30 03:53:13 C 21 38 43.28 +08 15 49.1 o 926
2017-09-30 03:58:51 C 21 38 44.06 +08 15 49.2 o 926
2017-09-30 04:04:28 C 21 38 44.85 +08 15 49.2 o 926
2017-10-01 02:08:09 C 21 42 33.27 +08 14 47.3 q G96
2017-10-01 02:09:36 C 21 42 33.43 +08 14 46.7 q G96
2017-10-01 02:11:02 C 21 42 33.59 +08 14 47.1 q G96
2017-10-01 02:12:31 C 21 42 33.87 +08 14 47.8 q G96
2017-10-07 04:21:25 C 22 18 12.44 +07 58 09.6 o 926
2017-10-07 04:28:32 C 22 18 14.50 +07 58 08.5 o 926
2017-10-07 04:35:36 C 22 18 16.63 +07 58 07.1 o 926
2017-10-08 07:14:51 C 22 27 20.16 +07 51 55.2 o 926
2017-10-08 07:23:07 C 22 27 23.01 +07 51 53.7 o 926
2017-10-08 07:31:24 C 22 27 25.75 +07 51 50.3 o 926
2017-10-11 22:49:26 C 23 05 15.36 +07 18 28.7 U 204
2017-10-11 23:04:03 C 23 05 22.43 +07 18 20.9 U 204
2017-10-11 23:18:10 C 23 05 29.30 +07 18 12.9 U 204
2017-10-13 05:05:15 C 23 21 39.59 +07 01 14.2 U 703
2017-10-13 05:12:25 C 23 21 43.45 +07 01 08.6 U 703
2017-10-13 05:26:50 C 23 21 51.20 +07 00 58.7 U 703
2017-10-13 21:55:21 C 23 31 31.23 +06 49 02.0 q 203
2017-10-13 22:54:58 C 23 32 05.48 +06 48 16.4 q 203
2017-10-14 07:13:39 C 23 37 10.81 +06 42 26.9 o 691
2017-10-14 07:24:35 C 23 37 17.26 +06 42 17.7 o 691
2017-10-14 07:35:20 C 23 37 23.51 +06 42 09.3 o 691
2017-10-15 21:50:51 C 00 02 45.24 +06 07 21.5 q 246
2017-10-15 21:51:27 C 00 02 45.62 +06 07 21.3 q 246
2017-10-15 21:52:49 C 00 02 46.53 +06 07 18.8 q 246
2017-10-15 21:53:00 C 00 02 46.68 +06 07 19.7 q 246
2017-10-15 21:53:11 C 00 02 46.81 +06 07 19.5 q 246
2017-10-15 21:53:22 C 00 02 46.94 +06 07 19.0 q 246
2017-10-15 21:53:33 C 00 02 47.08 +06 07 18.8 q 246
2017-10-15 21:54:02 C 00 02 47.41 +06 07 17.9 q 246
2017-10-16 05:03:47 C 00 07 52.95 +06 00 38.6 U 703