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
2016-08-13 02:42:44 C 04 04 41.37 +12 20 29.5 q 160
2016-08-14 02:26:58 C 04 05 04.95 +11 56 40.8 V 160
2016-08-14 02:28:51 C 04 05 04.97 +11 56 39.2 V 160
2016-08-14 02:30:44 C 04 05 05.02 +11 56 37.5 V 160
2016-08-15 02:51:10 C 04 05 27.82 +11 31 53.5 q 160
2016-08-15 02:53:05 C 04 05 27.84 +11 31 52.3 q 160
2016-08-15 02:55:01 C 04 05 27.88 +11 31 50.2 q 160
2016-08-22 16:28:25 S 04 07 26.750 +08 15 21.24 L C51
2016-08-22 19:37:06 S 04 07 27.91 +08 11 43.7 L C51
2016-08-22 21:11:21 S 04 07 28.44 +08 09 54.4 L C51
2016-08-22 22:45:47 S 04 07 28.93 +08 08 05.6 L C51
2016-08-23 00:20:02 S 04 07 29.49 +08 06 16.8 L C51
2016-08-23 00:20:13 S 04 07 29.53 +08 06 16.5 L C51
2016-08-23 01:54:28 S 04 07 30.022 +08 04 27.62 L C51
2016-08-23 02:06:22 C 04 07 30.87 +08 04 05.4 q 160
2016-08-23 02:08:18 C 04 07 30.91 +08 04 03.1 q 160
2016-08-23 02:10:14 C 04 07 30.91 +08 04 00.9 q 160
2016-08-23 06:37:25 S 04 07 31.558 +07 58 58.48 L C51
2016-08-23 06:37:36 S 04 07 31.514 +07 58 59.48 L C51
2016-08-23 09:46:17 S 04 07 32.460 +07 55 19.52 L C51
2016-08-23 12:54:57 S 04 07 33.35 +07 51 40.2 L C51
2016-08-25 13:39:40 S 04 07 42.37 +06 53 43.0 L C51
2016-08-25 18:22:36 S 04 07 42.81 +06 47 59.3 L C51
2016-08-25 19:57:02 S 04 07 42.87 +06 46 05.8 L C51
2016-08-25 21:31:17 S 04 07 42.934 +06 44 10.03 L C51
2016-08-26 00:39:58 S 04 07 43.09 +06 40 20.1 L C51
2016-08-26 03:48:39 S 04 07 43.17 +06 36 29.5 L C51
2016-08-26 06:57:20 S 04 07 43.20 +06 32 38.6 L C51
2016-09-05 16:17:12 C 04 05 02.18 +00 54 52.7 q Q60
2016-09-05 16:31:48 C 04 05 01.79 +00 54 30.9 q Q60
2016-09-05 16:45:40 C 04 05 01.45 +00 54 10.4 q Q60
2016-09-10 02:30:52 C 04 01 52.74 -01 50 57.7 q 160
2016-09-10 02:32:53 C 04 01 52.67 -01 51 01.7 q 160
2016-09-10 02:34:51 C 04 01 52.62 -01 51 04.5 q 160
2016-09-25 03:20:41 C 03 39 03.56 -12 48 26.1 o Z22
2016-09-25 03:22:54 C 03 39 03.35 -12 48 30.6 o Z22
2016-09-25 03:36:11 C 03 39 02.04 -12 48 57.2 o Z22
2016-09-28 14:01:45 C 03 30 40.87 -15 33 15.6 L T05
2016-09-28 14:20:13 C 03 30 38.77 -15 33 52.5 L T05
2016-09-28 14:23:54 C 03 30 38.34 -15 33 59.9 L T05
2016-09-28 14:42:25 C 03 30 36.22 -15 34 37.0 L T05
2016-09-28 14:46:52 C 03 30 35.73 -15 34 45.6 L T05
2016-09-28 15:04:33 C 03 30 33.72 -15 35 21.1 L T05
2016-09-28 15:09:43 C 03 30 33.13 -15 35 31.2 L T05
2016-09-28 15:26:40 C 03 30 31.20 -15 36 05.0 L T05
2016-10-02 13:48:18 C 03 19 23.73 -18 44 06.6 L T05
2016-10-02 14:10:34 C 03 19 20.78 -18 44 50.3 L T05
2016-10-02 14:33:40 C 03 19 17.76 -18 45 35.4 L T05
2016-10-02 14:56:43 C 03 19 14.70 -18 46 20.7 L T05
2016-10-02 15:19:43 C 03 19 11.70 -18 47 06.8 L T05