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
2020-10-04 11:52:16 C 03 39 22.76 -17 36 38.1 V T05
2020-10-04 11:52:55 C 03 39 22.68 -17 36 39.2 V T05
2020-10-04 12:10:09 C 03 39 20.85 -17 37 11.8 V T05
2020-10-04 12:10:48 C 03 39 20.79 -17 37 13.2 V T05
2020-10-04 12:12:49 C 03 39 20.58 -17 37 17.1 V T05
2020-10-04 12:13:28 C 03 39 20.51 -17 37 18.0 V T05
2020-10-05 12:17:52 C 03 36 49.97 -18 22 46.8 V T08
2020-10-05 12:20:31 C 03 36 49.67 -18 22 51.9 V T08
2020-10-05 12:25:09 C 03 36 49.15 -18 23 00.5 V T08
2020-10-05 12:38:20 C 03 36 47.70 -18 23 25.5 V T08
2020-10-06 10:00:44 C 03 34 28.60 -19 03 46.6 V 703
2020-10-06 10:08:24 C 03 34 27.68 -19 04 01.4 V 703
2020-10-06 10:16:04 C 03 34 26.77 -19 04 15.3 V 703
2020-10-06 10:23:45 C 03 34 25.92 -19 04 30.2 V 703
2020-10-07 11:58:45 C 03 31 33.15 -19 52 32.2 V T05
2020-10-07 12:10:09 C 03 31 31.77 -19 52 53.7 V T05
2020-10-07 12:14:46 C 03 31 31.22 -19 53 02.3 V T05
2020-10-07 12:48:34 C 03 31 27.15 -19 54 05.7 V T05
2020-10-09 10:33:28 C 03 25 59.92 -21 19 14.4 V T08
2020-10-09 10:41:28 C 03 25 58.91 -21 19 29.2 V T08
2020-10-09 10:47:29 C 03 25 58.13 -21 19 40.5 V T08
2020-10-09 11:33:57 C 03 25 52.16 -21 21 06.7 V T08
2020-10-09 17:13:41 C 03 25 09.35 -21 31 18.1 q Q68
2020-10-09 17:15:52 C 03 25 09.08 -21 31 22.0 q Q68
2020-10-09 17:18:04 C 03 25 08.79 -21 31 26.1 q Q68
2020-10-09 17:20:17 C 03 25 08.51 -21 31 30.2 q Q68
2020-10-09 17:59:21 C 03 25 03.48 -21 32 41.8 q Q68
2020-10-10 09:14:36 C 03 23 08.56 -22 00 58.8 V 703
2020-10-10 09:22:14 C 03 23 07.55 -22 01 12.9 V 703
2020-10-10 09:29:53 C 03 23 06.52 -22 01 26.5 V 703
2020-10-10 09:37:32 C 03 23 05.51 -22 01 40.4 V 703
2020-10-10 17:08:27 C 03 22 07.37 -22 15 06.0 q Q68
2020-10-10 17:10:43 C 03 22 07.06 -22 15 10.0 q Q68
2020-10-10 17:12:57 C 03 22 06.79 -22 15 14.0 q Q68
2020-10-10 17:15:11 C 03 22 06.46 -22 15 18.5 q Q68
2020-10-10 17:59:30 C 03 22 00.56 -22 16 38.7 q Q68
2020-10-10 18:01:50 C 03 22 00.26 -22 16 42.9 q Q68
2020-10-10 18:04:05 C 03 21 59.95 -22 16 46.9 q Q68
2020-10-10 18:06:18 C 03 21 59.66 -22 16 50.9 q Q68
2020-10-11 11:37:39 C 03 19 43.12 -22 48 51.2 V T05
2020-10-11 11:40:17 C 03 19 42.76 -22 48 56.0 V T05
2020-10-11 12:14:20 C 03 19 38.09 -22 49 57.6 V T05
2020-10-11 12:22:59 C 03 19 36.90 -22 50 13.1 V T05
2020-10-12 09:19:42 C 03 16 48.45 -23 27 44.6 V 703
2020-10-12 09:27:20 C 03 16 47.39 -23 27 58.0 V 703
2020-10-12 09:34:58 C 03 16 46.30 -23 28 11.5 V 703
2020-10-12 09:42:35 C 03 16 45.24 -23 28 25.1 V 703
2020-10-13 11:01:17 C 03 13 16.27 -24 12 56.3 V T08
2020-10-13 11:04:36 C 03 13 15.79 -24 13 02.0 V T08
2020-10-13 11:09:15 C 03 13 15.11 -24 13 10.1 V T08