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
2020-09-07 01:06:12 C 04 11 25.23 +00 31 04.0 V 160
2020-09-07 01:09:09 C 04 11 25.22 +00 31 00.6 V 160
2020-09-07 01:12:08 C 04 11 25.26 +00 30 56.7 V 160
2020-09-10 11:21:06 C 04 10 37.91 -01 19 40.3 V 703
2020-09-10 11:28:30 C 04 10 37.78 -01 19 50.3 V 703
2020-09-10 11:35:54 C 04 10 37.66 -01 20 00.6 V 703
2020-09-10 11:43:18 C 04 10 37.52 -01 20 11.2 V 703
2020-09-10 13:42:15 C 04 10 36.11 -01 22 54.6 V T05
2020-09-10 13:46:55 C 04 10 36.02 -01 23 01.1 V T05
2020-09-10 13:50:52 C 04 10 35.94 -01 23 06.7 V T05
2020-09-10 14:12:04 C 04 10 35.57 -01 23 36.2 V T05
2020-09-11 14:25:02 C 04 10 13.16 -01 57 31.5 q E89
2020-09-11 14:35:36 C 04 10 12.98 -01 57 46.7 q E89
2020-09-11 14:42:49 C 04 10 12.81 -01 57 56.8 q E89
2020-09-13 01:50:26 C 04 09 32.58 -02 49 02.9 V 160
2020-09-13 01:53:21 C 04 09 32.51 -02 49 06.6 V 160
2020-09-13 01:56:03 C 04 09 32.46 -02 49 10.6 V 160
2020-09-14 01:29:14 C 04 09 00.64 -03 24 01.9 V 160
2020-09-14 01:32:12 C 04 09 00.56 -03 24 06.6 V 160
2020-09-14 01:35:11 C 04 09 00.47 -03 24 11.1 V 160
2020-09-14 13:26:50 C 04 08 42.79 -03 41 54.5 V T05
2020-09-14 13:29:29 C 04 08 42.72 -03 41 58.2 V T05
2020-09-14 13:34:21 C 04 08 42.566 -03 42 05.69 U F52
2020-09-14 13:37:25 C 04 08 42.47 -03 42 10.4 V T05
2020-09-14 13:52:54 C 04 08 42.022 -03 42 33.66 U F52
2020-09-14 13:54:03 C 04 08 42.00 -03 42 35.3 V T05
2020-09-14 14:30:07 C 04 08 40.922 -03 43 29.82 U F52
2020-09-15 09:55:18 C 04 08 09.88 -04 13 03.9 V 703
2020-09-15 10:03:13 C 04 08 09.65 -04 13 15.9 V 703
2020-09-15 10:11:08 C 04 08 09.39 -04 13 28.2 V 703
2020-09-15 10:19:03 C 04 08 09.14 -04 13 40.2 V 703
2020-09-16 13:02:20 C 04 07 21.21 -04 54 58.8 V T08
2020-09-16 13:05:39 C 04 07 21.10 -04 55 04.0 V T08
2020-09-16 13:16:19 C 04 07 20.73 -04 55 20.7 V T08
2020-09-16 13:32:24 C 04 07 20.14 -04 55 45.9 V T08
2020-09-18 02:31:29 C 04 06 03.98 -05 54 28.9 V 160
2020-09-18 02:34:31 C 04 06 03.82 -05 54 33.6 V 160
2020-09-18 02:37:29 C 04 06 03.73 -05 54 38.5 V 160
2020-09-18 10:22:22 C 04 05 46.46 -06 07 04.3 V 703
2020-09-18 10:30:11 C 04 05 46.10 -06 07 17.3 V 703
2020-09-18 10:38:01 C 04 05 45.77 -06 07 30.2 V 703
2020-09-18 10:45:50 C 04 05 45.44 -06 07 42.9 V 703
2020-09-18 12:50:10 C 04 05 40.96 -06 11 01.2 V T05
2020-09-18 12:52:49 C 04 05 40.85 -06 11 05.5 V T05
2020-09-18 12:56:54 C 04 05 40.68 -06 11 12.2 V T05
2020-09-18 13:04:48 C 04 05 40.34 -06 11 25.1 V T05
2020-09-20 12:27:52 C 04 03 41.84 -07 29 20.8 V T08
2020-09-20 12:30:31 C 04 03 41.71 -07 29 25.1 V T08
2020-09-20 12:37:09 C 04 03 41.38 -07 29 36.3 V T08
2020-09-20 12:47:46 C 04 03 40.87 -07 29 54.0 V T08