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
2021-08-26 13:53:16 C 05 22 39.45 +06 20 45.3 V T08
2021-08-26 14:02:32 C 05 22 40.30 +06 20 41.0 V T08
2021-08-26 14:05:51 C 05 22 40.61 +06 20 40.3 V T08
2021-08-26 14:13:49 C 05 22 41.37 +06 20 36.1 V T08
2021-08-26 14:17:08 C 05 22 41.66 +06 20 35.2 V T08
2021-08-26 14:45:28 C 05 22 44.24 +06 20 23.5 V T08
2021-08-26 14:55:25 C 05 22 45.20 +06 20 19.2 V T08
2021-08-28 14:06:21 C 05 27 10.47 +06 00 16.0 V T05
2021-08-28 14:10:57 C 05 27 10.92 +06 00 13.7 V T05
2021-08-28 14:20:11 C 05 27 11.85 +06 00 09.2 V T05
2021-08-28 14:48:40 C 05 27 14.45 +05 59 57.1 V T05
2021-09-12 10:41:48 C 06 01 35.19 +02 50 13.5 V 703
2021-09-12 10:50:14 C 06 01 36.08 +02 50 08.6 V 703
2021-09-12 10:58:41 C 06 01 36.90 +02 50 03.0 V 703
2021-09-29 13:40:20 C 06 45 18.46 -02 33 06.0 V T05
2021-09-29 13:41:00 C 06 45 18.54 -02 33 06.2 V T05
2021-09-29 13:48:17 C 06 45 19.47 -02 33 13.6 V T05
2021-09-29 13:54:14 C 06 45 20.05 -02 33 18.8 V T05
2021-09-29 14:08:49 C 06 45 21.70 -02 33 32.7 V T05
2021-10-01 14:38:42 C 06 51 01.26 -03 21 01.7 V T08
2021-10-01 14:44:00 C 06 51 01.87 -03 21 07.1 V T08
2021-10-01 15:08:38 C 06 51 04.70 -03 21 32.0 V T08
2021-10-01 15:16:38 C 06 51 05.69 -03 21 40.0 V T08
2021-10-03 14:17:37 C 06 56 43.65 -04 09 55.0 V T05
2021-10-03 14:31:54 C 06 56 45.34 -04 10 10.1 V T05
2021-10-03 14:57:47 C 06 56 48.42 -04 10 37.2 V T05
2021-10-07 13:58:20 C 07 08 40.66 -05 55 08.0 V T05
2021-10-07 14:00:18 C 07 08 40.89 -05 55 10.0 V T05
2021-10-07 14:03:37 C 07 08 41.29 -05 55 13.9 V T05
2021-10-07 14:24:09 C 07 08 43.91 -05 55 37.6 V T05
2021-10-09 13:36:17 C 07 14 54.55 -06 51 12.7 V T08
2021-10-09 13:42:56 C 07 14 55.44 -06 51 20.2 V T08
2021-10-09 13:50:56 C 07 14 56.50 -06 51 30.4 V T08
2021-10-09 13:58:54 C 07 14 57.53 -06 51 40.3 V T08
2021-10-11 14:57:15 C 07 21 35.46 -07 52 02.6 V T05
2021-10-11 15:15:11 C 07 21 37.87 -07 52 25.1 V T05
2021-10-11 15:29:43 C 07 21 39.86 -07 52 43.7 V T05
2021-10-19 14:17:03 C 07 50 17.25 -12 15 50.4 V T05
2021-10-19 14:21:40 C 07 50 18.00 -12 15 57.5 V T05
2021-10-19 14:31:36 C 07 50 19.60 -12 16 12.3 V T05
2021-10-19 14:59:30 C 07 50 24.10 -12 16 54.4 V T05
2021-10-22 14:34:56 C 08 02 35.83 -14 07 42.9 V T05
2021-10-22 14:40:52 C 08 02 36.86 -14 07 52.3 V T05
2021-10-22 15:07:17 C 08 02 41.48 -14 08 34.8 V T05
2021-10-22 15:23:47 C 08 02 44.34 -14 09 00.8 V T05
2021-10-23 13:49:11 C 08 06 46.10 -14 45 06.5 V T05
2021-10-23 13:53:48 C 08 06 46.95 -14 45 14.1 V T05
2021-10-23 14:00:23 C 08 06 48.11 -14 45 24.9 V T05
2021-10-23 14:16:18 C 08 06 50.97 -14 45 50.6 V T05
2021-10-26 13:51:32 C 08 20 26.07 -16 45 25.2 V T05