2017 SQ21

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4951511668 ± 1.39e-07
Semi-major axis (a)2.3845618104 AU ± 4.59e-08
Inclination (i)8.65755219° ± 2.41e-05
Long. of Asc. Node (Ω)152.92197984° ± 1.73e-04
Arg. of Perihelion (ω)150.37770935° ± 2.57e-04
Mean Anomaly (M)107.33342663° ± 1.03e-04
Mean Motion (n)0.2676698156°/day ± 7.73e-09
Perihelion dist (q)1.20384325 AU ± 3.32e-07
Aphelion dist (Q)3.56528037 AU ± 3.38e-07
Orbital Period3.68224666 yr ± 1.06e-07
Physical Parameters
H (abs. magnitude)20.25
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.205″
Uncertainty0
Orbit TypeAmor
MOID0.200837 AU
Observations Used57
Oppositions8
Arc Total2013-2024
First Observation Used2013-04-03
Last Observation Used2024-04-18
Observations (58)
Date Type RA Dec Mag Band Observatory
2013-04-03 06:39:26 C 13 11 19.198 +04 03 58.83 V W84
2017-09-30 12:59:23 C 03 13 14.974 +02 52 18.79 L F51
2017-09-30 13:14:51 C 03 13 14.464 +02 52 11.21 L F51
2017-09-30 13:30:19 C 03 13 13.949 +02 52 03.59 L F51
2017-09-30 13:45:46 C 03 13 13.448 +02 51 56.12 L F51
2017-10-01 06:56:41 C 03 12 42.38 +02 43 29.3 o 695
2017-10-01 07:02:00 C 03 12 42.19 +02 43 26.5 o 695
2017-10-01 07:07:19 C 03 12 42.04 +02 43 23.9 o 695
2017-10-01 07:26:31 C 03 12 41.15 +02 43 13.1 u H21
2017-10-01 07:34:42 C 03 12 40.87 +02 43 09.3 u H21
2017-10-01 07:43:27 C 03 12 40.57 +02 43 05.1 u H21
2017-10-01 07:54:50 C 03 12 40.18 +02 42 59.4 u H21
2017-10-01 13:16:33 C 03 12 29.886 +02 40 25.33 L F51
2017-10-01 13:33:17 C 03 12 29.316 +02 40 17.38 L F51
2017-10-01 13:49:56 C 03 12 28.728 +02 40 09.04 L F51
2017-10-01 14:06:50 C 03 12 28.140 +02 40 00.66 L F51
2017-10-05 07:06:47 C 03 09 22.19 +01 56 55.6 o 695
2017-10-05 07:10:30 C 03 09 21.98 +01 56 53.9 o 695
2017-10-05 07:15:59 C 03 09 21.78 +01 56 51.0 o 695
2017-10-19 06:10:35 C 02 53 51.115 -00 27 31.41 V W84
2017-10-19 06:13:46 C 02 53 50.939 -00 27 32.62 V W84
2017-10-19 06:17:09 C 02 53 50.757 -00 27 33.80 V W84
2017-10-19 06:20:58 C 02 53 50.540 -00 27 35.32 V W84
2017-10-19 06:24:48 C 02 53 50.338 -00 27 36.87 V W84
2017-10-20 07:30:59 C 02 52 31.52 -00 36 54.1 u H21
2017-10-20 07:47:37 C 02 52 30.62 -00 37 00.2 u H21
2017-10-20 08:04:33 C 02 52 29.68 -00 37 06.0 u H21
2017-10-21 06:24:52 C 02 51 19.10 -00 44 42.9 u 807
2017-10-21 06:31:19 C 02 51 18.77 -00 44 45.2 u 807
2017-10-21 06:38:06 C 02 51 18.38 -00 44 48.1 u 807
2017-10-26 04:55:15 C 02 45 02.225 -01 21 47.42 V W84
2017-10-26 04:58:27 C 02 45 02.061 -01 21 48.45 V W84
2017-10-26 05:01:52 C 02 45 01.856 -01 21 49.27 V W84
2017-10-26 05:05:40 C 02 45 01.654 -01 21 50.24 V W84
2017-10-26 05:09:29 C 02 45 01.443 -01 21 51.33 V W84
2017-10-26 06:12:35 C 02 44 58.10 -01 22 20.8 u H21
2017-10-26 06:29:31 C 02 44 57.15 -01 22 25.5 u H21
2017-10-26 06:52:18 C 02 44 55.90 -01 22 32.0 u H21
2017-10-29 06:49:02 C 02 41 09.316 -01 40 52.08 V W84
2017-10-29 06:51:02 C 02 41 09.203 -01 40 52.54 V W84
2017-10-31 04:24:09 C 02 38 49.10 -01 51 11.8 u H21
2017-10-31 04:39:48 C 02 38 48.28 -01 51 15.0 u H21
2017-10-31 04:59:37 C 02 38 47.22 -01 51 19.1 u H21
2017-11-01 04:39:01 C 02 37 35.314 -01 55 53.71 V W84
2017-11-23 03:52:50 C 02 16 59.325 -02 16 47.71 V W84
2017-11-23 03:54:50 C 02 16 59.271 -02 16 47.41 V W84
2017-11-23 03:56:49 C 02 16 59.211 -02 16 47.22 V W84
2017-11-27 02:29:43 C 02 14 53.91 -02 05 12.2 U 807
2017-11-27 02:51:19 C 02 14 53.45 -02 05 08.9 U 807
2017-11-27 03:12:48 C 02 14 53.01 -02 05 05.7 U 807