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
2017-10-16 05:19:14 C 00 08 03.29 +06 00 22.6 U 703
2017-10-16 05:26:56 C 00 08 08.49 +06 00 14.9 U 703
2017-10-16 05:32:03 C 00 08 11.88 +06 00 09.5 U G96
2017-10-16 05:39:35 C 00 08 16.91 +06 00 01.5 U G96
2017-10-16 05:47:07 C 00 08 21.96 +05 59 53.7 U G96
2017-10-16 05:54:36 C 00 08 26.98 +05 59 45.9 U G96
2017-10-16 19:43:17 C 00 18 30.79 +05 44 03.7 q 246
2017-10-16 19:43:39 C 00 18 31.10 +05 44 03.2 q 246
2017-10-16 19:43:58 C 00 18 31.29 +05 44 03.3 q 246
2017-10-16 19:44:13 C 00 18 31.46 +05 44 03.4 q 246
2017-10-16 19:45:09 C 00 18 32.16 +05 44 01.3 q 246
2017-10-16 19:45:26 C 00 18 32.37 +05 44 00.4 q 246
2017-10-16 19:45:42 C 00 18 32.55 +05 44 00.9 q 246
2017-10-17 05:37:11 C 00 25 46.14 +05 33 00.8 U H21
2017-10-17 05:41:01 C 00 25 48.87 +05 32 56.2 U H21
2017-10-17 05:44:57 C 00 25 51.67 +05 32 51.7 U H21
2017-10-17 05:48:52 C 00 25 54.47 +05 32 47.0 U H21
2017-10-17 05:52:48 C 00 25 57.28 +05 32 42.4 U H21
2017-10-17 05:56:43 C 00 26 00.07 +05 32 37.5 U H21
2017-10-17 06:00:32 C 00 26 02.83 +05 32 32.7 U H21
2017-10-18 09:00:33 C 00 46 53.936 +04 59 30.25 L F51
2017-10-18 09:18:12 C 00 47 06.942 +04 59 06.95 L F51
2017-10-18 09:25:55 C 00 47 12.54 +04 59 00.0 T08
2017-10-18 09:36:15 C 00 47 20.17 +04 58 46.2 T08
2017-10-18 09:46:28 C 00 47 27.79 +04 58 31.6 T08
2017-10-18 09:56:39 C 00 47 35.27 +04 58 18.0 T08
2017-10-18 21:53:13 C 00 57 05.67 +04 40 58.5 q 160
2017-10-18 21:55:18 C 00 57 07.26 +04 40 56.0 q 160
2017-10-18 21:57:23 C 00 57 08.74 +04 40 52.2 q 160
2017-10-19 09:33:52 C 01 06 26.244 +04 25 35.59 L F51
2017-10-19 10:06:19 C 01 06 50.795 +04 24 49.07 L F51
2017-10-19 20:19:23 C 01 15 11.25 +04 08 41.7 q 246
2017-10-19 20:20:47 C 01 15 12.35 +04 08 40.1 q 246
2017-10-19 20:21:39 C 01 15 12.99 +04 08 38.5 q 246
2017-10-19 20:23:12 C 01 15 14.24 +04 08 36.0 q 246
2017-10-22 10:05:38 C 02 04 47.66 +02 35 45.4 T08
2017-10-22 10:17:45 C 02 04 56.59 +02 35 27.1 T08
2017-10-22 10:30:22 C 02 05 05.87 +02 35 07.6 T08
2017-10-22 10:41:54 C 02 05 14.36 +02 34 50.0 T08
2017-10-23 08:10:40 C 02 21 48.02 +02 01 26.7 U 703
2017-10-23 08:18:46 C 02 21 53.83 +02 01 14.9 U 703
2017-10-23 08:26:49 C 02 21 59.55 +02 01 02.6 U 703
2017-10-23 08:34:46 C 02 22 05.24 +02 00 50.1 U 703
2017-10-24 07:42:55 C 02 39 14.09 +01 26 43.3 U G96
2017-10-24 07:50:26 C 02 39 19.18 +01 26 32.6 U G96
2017-10-24 08:05:28 C 02 39 29.40 +01 26 11.0 U G96
2017-10-29 07:38:34 C 03 51 50.76 -00 55 02.0 U 703
2017-10-29 07:58:26 C 03 52 00.19 -00 55 20.4 U 703
2017-10-29 08:06:34 C 03 52 03.92 -00 55 27.7 U 703
2017-10-30 12:14:42 C 04 05 01.055 -01 18 34.24 L F51