87684 (2000 SY2)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6427310291 ± 1.56e-08
Semi-major axis (a)0.8586995623 AU ± 2.46e-10
Inclination (i)19.21959384° ± 1.69e-06
Long. of Asc. Node (Ω)161.99788506° ± 4.24e-06
Arg. of Perihelion (ω)47.81747450° ± 3.97e-06
Mean Anomaly (M)318.46077430° ± 3.44e-06
Mean Motion (n)1.2386551535°/day ± 5.32e-10
Perihelion dist (q)0.30678671 AU ± 1.34e-08
Aphelion dist (Q)1.41061242 AU ± 1.34e-08
Orbital Period0.79572291 yr ± 3.42e-10
Physical Parameters
H (abs. magnitude)15.96
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.223″
Uncertainty0
Orbit TypeAten
MOID0.047325 AU
Observations Used2046
Oppositions12
Arc Total1977-2025
First Observation Used1977-10-07
Last Observation Used2025-11-17
Observations (2354)
Date Type RA Dec Mag Band Observatory
2020-10-19 05:24:12 s 1 -207352.76 2 +114109.52 9290.0 C57
2020-10-19 12:08:39 C 02 51 26.94 -28 07 46.3 V T05
2020-10-19 12:18:33 C 02 51 25.32 -28 08 00.7 V T05
2020-10-19 12:23:50 C 02 51 24.43 -28 08 08.5 V T05
2020-10-19 13:04:34 C 02 51 17.75 -28 09 07.9 V T05
2020-10-22 08:13:27 C 02 40 24.41 -29 42 20.2 V 703
2020-10-22 08:21:04 C 02 40 23.12 -29 42 30.3 V 703
2020-10-22 08:28:42 C 02 40 21.83 -29 42 40.2 V 703
2020-10-22 08:36:19 C 02 40 20.52 -29 42 50.0 V 703
2020-10-23 11:33:56 C 02 35 52.58 -30 16 57.0 V T05
2020-10-23 11:38:33 C 02 35 51.80 -30 17 02.5 V T05
2020-10-23 12:28:52 C 02 35 43.16 -30 18 03.9 V T05
2020-10-23 12:38:05 C 02 35 41.58 -30 18 15.1 V T05
2020-10-25 09:24:59 C 02 28 13.24 -31 10 30.0 V T08
2020-10-25 09:28:18 C 02 28 12.67 -31 10 33.7 V T08
2020-10-25 09:32:16 C 02 28 11.98 -31 10 38.1 V T08
2020-10-25 09:42:53 C 02 28 10.14 -31 10 50.1 V T08
2020-11-04 09:13:54 C 01 48 46.08 -34 14 09.6 V T05
2020-11-04 10:07:14 C 01 48 37.50 -34 14 32.4 V T05
2020-11-04 10:11:11 C 01 48 36.86 -34 14 34.3 V T05
2020-11-04 10:15:48 C 01 48 36.12 -34 14 36.3 V T05
2020-11-04 10:16:27 C 01 48 36.02 -34 14 36.5 V T05
2020-11-04 10:46:36 C 01 48 31.16 -34 14 49.1 V T05
2020-11-04 10:55:11 C 01 48 29.80 -34 14 52.8 V T05
2020-11-06 14:23:44 C 01 40 38.81 -34 33 26.1 q Q68
2020-11-06 14:25:55 C 01 40 38.46 -34 33 26.7 q Q68
2020-11-06 14:28:06 C 01 40 38.14 -34 33 26.8 q Q68
2020-11-06 14:30:17 C 01 40 37.83 -34 33 27.6 q Q68
2020-11-08 09:11:02 C 01 34 23.69 -34 44 18.4 V T05
2020-11-08 09:18:57 C 01 34 22.52 -34 44 19.9 V T05
2020-11-08 09:47:20 C 01 34 18.31 -34 44 25.5 V T05
2020-11-09 16:17:34 C 01 30 00.00 -34 49 06.8 q Q68
2020-11-09 16:19:50 C 01 29 59.70 -34 49 07.7 q Q68
2020-11-09 16:22:03 C 01 29 59.39 -34 49 07.7 q Q68
2020-11-09 16:24:15 C 01 29 59.08 -34 49 07.7 q Q68
2020-11-09 16:43:09 C 01 29 56.42 -34 49 09.8 q Q68
2020-11-09 16:45:21 C 01 29 56.14 -34 49 09.7 q Q68
2020-11-09 16:47:34 C 01 29 55.82 -34 49 10.2 q Q68
2020-11-09 16:49:47 C 01 29 55.49 -34 49 10.5 q Q68
2020-11-10 08:37:07 C 01 27 46.54 -34 51 12.2 V T08
2020-11-10 08:42:44 C 01 27 45.75 -34 51 12.5 V T08
2020-11-10 08:51:22 C 01 27 44.52 -34 51 13.3 V T08
2020-11-10 09:40:08 C 01 27 37.67 -34 51 17.6 V T08
2020-11-10 13:26:08 C 01 27 07.14 -34 51 24.9 q Q68
2020-11-10 13:28:19 C 01 27 06.57 -34 51 25.2 q Q68
2020-11-10 14:27:00 C 01 26 58.61 -34 51 29.3 q Q68
2020-11-10 14:29:12 C 01 26 58.29 -34 51 29.4 q Q68
2020-11-10 14:31:24 C 01 26 58.00 -34 51 29.7 q Q68
2020-11-10 14:33:35 C 01 26 57.67 -34 51 29.8 q Q68
2020-11-13 15:28:31 C 01 17 33.76 -34 52 01.3 q Q68