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
2020-09-22 12:39:58 C 04 01 20.64 -08 51 06.8 V T05
2020-09-22 12:43:59 C 04 01 20.41 -08 51 13.6 V T05
2020-09-22 12:50:00 C 04 01 20.07 -08 51 24.0 V T05
2020-09-22 12:59:56 C 04 01 19.51 -08 51 41.3 V T05
2020-09-24 09:55:32 C 03 58 48.33 -10 10 03.2 V 703
2020-09-24 10:03:13 C 03 58 47.86 -10 10 16.8 V 703
2020-09-24 10:10:55 C 03 58 47.36 -10 10 30.2 V 703
2020-09-24 10:18:37 C 03 58 46.89 -10 10 44.0 V 703
2020-09-24 10:59:00 C 03 58 44.30 -10 11 55.5 V G96
2020-09-24 11:06:25 C 03 58 43.82 -10 12 08.5 V G96
2020-09-24 11:13:50 C 03 58 43.35 -10 12 21.7 V G96
2020-09-24 11:21:17 C 03 58 42.88 -10 12 34.8 V G96
2020-09-25 13:02:10 C 03 57 07.74 -10 58 10.9 V T05
2020-09-25 13:04:48 C 03 57 07.56 -10 58 15.5 V T05
2020-09-25 13:08:45 C 03 57 07.27 -10 58 22.4 V T05
2020-09-25 13:16:00 C 03 57 06.79 -10 58 35.5 V T05
2020-09-27 08:58:40 C 03 54 09.38 -12 17 35.6 V 703
2020-09-27 09:07:30 C 03 54 08.70 -12 17 51.8 V 703
2020-09-27 09:16:20 C 03 54 08.04 -12 18 07.6 V 703
2020-09-27 09:25:10 C 03 54 07.39 -12 18 24.2 V 703
2020-09-27 11:49:08 C 03 53 57.23 -12 22 43.7 V T08
2020-09-27 11:51:56 C 03 53 57.02 -12 22 48.9 V T08
2020-09-27 11:56:34 C 03 53 56.67 -12 22 57.4 V T08
2020-09-27 12:00:33 C 03 53 56.38 -12 23 04.5 V T08
2020-09-27 12:05:11 C 03 53 56.02 -12 23 13.1 V T08
2020-09-27 12:07:11 C 03 53 55.86 -12 23 16.8 V T08
2020-09-27 12:09:10 C 03 53 55.72 -12 23 20.3 V T08
2020-09-27 12:17:08 C 03 53 55.12 -12 23 34.9 V T08
2020-09-28 12:19:13 C 03 52 08.30 -13 07 39.6 V T08
2020-09-28 12:21:53 C 03 52 08.09 -13 07 44.5 V T08
2020-09-28 12:25:52 C 03 52 07.77 -13 07 51.9 V T08
2020-09-28 12:34:11 C 03 52 07.10 -13 08 07.4 V T08
2020-09-28 20:33:25 C 03 51 30.81 -13 22 35.1 o K95
2020-09-28 20:38:44 C 03 51 30.49 -13 22 44.3 o K95
2020-09-29 11:45:32 C 03 50 18.52 -13 50 59.9 V T05
2020-09-29 11:48:10 C 03 50 18.30 -13 51 05.0 V T05
2020-09-29 11:52:08 C 03 50 17.96 -13 51 12.2 V T05
2020-09-29 12:00:53 C 03 50 17.23 -13 51 28.4 V T05
2020-09-30 02:34:14 C 03 49 06.45 -14 18 15.5 o W92
2020-09-30 02:35:34 C 03 49 06.44 -14 18 20.0 o W92
2020-10-01 11:31:33 C 03 46 16.52 -15 20 11.4 V T08
2020-10-01 11:35:32 C 03 46 16.14 -15 20 18.9 V T08
2020-10-01 11:39:31 C 03 46 15.77 -15 20 26.5 V T08
2020-10-01 11:48:09 C 03 46 14.97 -15 20 42.6 V T08
2020-10-03 12:37:11 C 03 41 41.76 -16 52 42.0 V T05
2020-10-03 12:42:29 C 03 41 41.22 -16 52 52.0 V T05
2020-10-03 12:50:29 C 03 41 40.40 -16 53 06.8 V T05
2020-10-03 13:18:37 C 03 41 37.51 -16 54 00.3 V T05
2020-10-04 11:22:32 C 03 39 25.92 -17 35 41.5 V T05
2020-10-04 11:23:12 C 03 39 25.85 -17 35 42.8 V T05