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
2020-08-10 14:09:07 C 03 58 54.99 +11 34 08.9 V T05
2020-08-10 14:19:07 C 03 58 55.33 +11 34 00.9 V T05
2020-08-10 14:44:59 C 03 58 56.19 +11 33 41.1 V T05
2020-08-10 14:57:08 C 03 58 56.62 +11 33 31.5 V T05
2020-08-16 14:34:52 C 04 03 46.28 +09 36 03.3 V T08
2020-08-16 14:51:23 C 04 03 46.74 +09 35 49.3 V T08
2020-08-16 15:02:10 C 04 03 47.03 +09 35 39.9 V T08
2020-08-16 15:06:33 C 04 03 47.16 +09 35 36.1 V T08
2020-08-19 14:15:54 C 04 05 50.68 +08 32 52.0 V T08
2020-08-19 14:37:49 C 04 05 51.22 +08 32 32.1 V T08
2020-08-19 14:43:47 C 04 05 51.36 +08 32 27.0 V T08
2020-08-19 14:55:55 C 04 05 51.65 +08 32 15.8 V T08
2020-08-21 02:38:35 C 04 06 47.72 +07 59 23.9 V 160
2020-08-21 02:41:35 C 04 06 47.80 +07 59 21.1 V 160
2020-08-21 02:44:35 C 04 06 47.87 +07 59 18.3 V 160
2020-08-21 13:41:32 C 04 07 04.33 +07 49 08.0 V T05
2020-08-21 13:46:51 C 04 07 04.46 +07 49 03.7 V T05
2020-08-21 13:56:48 C 04 07 04.68 +07 48 54.1 V T05
2020-08-21 14:22:20 C 04 07 05.22 +07 48 30.3 V T05
2020-08-22 02:56:19 C 04 07 23.40 +07 36 34.2 V 160
2020-08-22 02:59:14 C 04 07 23.46 +07 36 31.4 V 160
2020-08-22 03:02:07 C 04 07 23.51 +07 36 28.7 V 160
2020-08-23 02:50:33 C 04 07 56.52 +07 13 40.8 V 160
2020-08-23 02:53:26 C 04 07 56.57 +07 13 38.2 V 160
2020-08-23 02:56:18 C 04 07 56.65 +07 13 35.7 V 160
2020-08-23 13:30:46 C 04 08 10.82 +07 03 24.1 V T08
2020-08-23 13:35:24 C 04 08 10.92 +07 03 19.4 V T08
2020-08-23 13:51:19 C 04 08 11.23 +07 03 03.8 V T08
2020-08-23 14:00:38 C 04 08 11.40 +07 02 55.0 V T08
2020-08-24 01:20:32 S 04 08 25.05 +06 51 51.2 L C51
2020-08-24 04:28:50 S 04 08 28.95 +06 48 46.7 L C51
2020-08-24 07:37:10 S 04 08 32.870 +06 45 40.21 L C51
2020-08-24 10:45:29 S 04 08 36.79 +06 42 34.0 L C51
2020-08-24 12:19:00 S 04 08 38.72 +06 40 59.7 L C51
2020-08-24 13:53:48 S 04 08 40.59 +06 39 27.4 L C51
2020-08-24 13:53:59 S 04 08 40.58 +06 39 26.7 L C51
2020-08-24 14:31:57 C 04 08 42.16 +06 38 46.1 V T08
2020-08-24 15:02:09 C 04 08 42.69 +06 38 16.2 V T08
2020-08-24 15:06:45 C 04 08 42.77 +06 38 11.6 V T08
2020-08-24 15:28:03 S 04 08 42.540 +06 37 53.11 L C51
2020-08-24 17:02:18 S 04 08 44.386 +06 36 18.86 L C51
2020-08-24 18:36:22 S 04 08 46.30 +06 34 45.4 L C51
2020-08-25 00:53:11 S 04 08 53.67 +06 28 28.8 L C51
2020-08-25 04:00:46 S 04 08 57.37 +06 25 19.9 L C51
2020-08-25 14:19:29 C 04 09 09.99 +06 14 52.6 V T05
2020-08-25 14:24:07 C 04 09 10.08 +06 14 47.9 V T05
2020-08-25 14:49:33 C 04 09 10.47 +06 14 22.1 V T05
2020-08-25 15:02:07 C 04 09 10.66 +06 14 09.3 V T05
2020-08-26 11:04:48 C 04 09 32.43 +05 53 37.2 V 703
2020-08-26 11:12:00 C 04 09 32.51 +05 53 29.9 V 703