IAA RAS IAA Minor Planet Database

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
2020-12-14 06:55:16 C 00 31 18.73 -29 18 47.3 – V T05
2020-12-16 02:31:49 C 00 30 46.68 -28 50 14.2 – V 703
2020-12-16 02:39:45 C 00 30 46.62 -28 50 08.6 – V 703
2020-12-16 02:47:41 C 00 30 46.55 -28 50 04.1 – V 703
2020-12-16 02:55:38 C 00 30 46.43 -28 49 57.9 – V 703
2020-12-19 02:03:29 C 00 30 16.19 -28 02 36.2 – V 703
2020-12-19 02:11:40 C 00 30 16.14 -28 02 30.8 – V 703
2020-12-19 02:19:51 C 00 30 16.05 -28 02 25.3 – V 703
2020-12-19 02:28:02 C 00 30 16.00 -28 02 20.1 – V 703
2020-12-20 06:15:23 C 00 30 10.93 -27 43 35.4 – V T08
2020-12-20 06:20:02 C 00 30 10.89 -27 43 32.2 – V T08
2020-12-20 06:29:59 C 00 30 10.86 -27 43 25.4 – V T08
2020-12-20 06:44:35 C 00 30 10.78 -27 43 15.0 – V T08
2020-12-22 06:35:10 C 00 30 10.93 -27 10 48.4 – V T05
2020-12-22 06:40:29 C 00 30 10.94 -27 10 44.4 – V T05
2020-12-22 06:51:46 C 00 30 10.91 -27 10 36.8 – V T05
2020-12-22 07:11:37 C 00 30 10.92 -27 10 23.1 – V T05
2020-12-24 05:53:13 C 00 30 20.93 -26 38 28.0 – V T08
2020-12-24 05:57:51 C 00 30 20.96 -26 38 24.6 – V T08
2020-12-24 06:05:49 C 00 30 20.98 -26 38 19.2 – V T08
2020-12-24 06:20:24 C 00 30 21.03 -26 38 09.3 – V T08
2020-12-26 05:59:19 C 00 30 40.24 -26 05 22.1 – V T05
2020-12-26 06:03:57 C 00 30 40.27 -26 05 18.5 – V T05
2020-12-26 06:11:52 C 00 30 40.29 -26 05 13.3 – V T05
2020-12-26 06:27:01 C 00 30 40.37 -26 05 02.4 – V T05
2020-12-28 06:10:43 C 00 31 08.06 -25 32 00.0 – V T08
2020-12-28 06:16:01 C 00 31 08.11 -25 31 56.4 – V T08
2020-12-28 06:24:40 C 00 31 08.20 -25 31 50.1 – V T08
2020-12-28 06:40:35 C 00 31 08.29 -25 31 39.1 – V T08
2020-12-30 06:22:09 C 00 31 43.89 -24 58 28.3 – V T05
2020-12-30 06:26:47 C 00 31 43.90 -24 58 25.2 – V T05
2020-12-30 06:36:05 C 00 31 44.02 -24 58 19.0 – V T05
2020-12-30 06:51:16 C 00 31 44.20 -24 58 08.3 – V T05
2021-01-03 05:27:11 C 00 33 15.19 -23 51 52.5 – V T05
2021-01-03 05:31:49 C 00 33 15.29 -23 51 49.1 – V T05
2021-01-03 05:40:24 C 00 33 15.41 -23 51 43.1 – V T05
2021-01-03 05:54:55 C 00 33 15.63 -23 51 32.7 – V T05
2021-01-04 02:02:42 C 00 33 38.22 -23 37 24.0 – V 703
2021-01-04 02:10:20 C 00 33 38.35 -23 37 18.3 – V 703
2021-01-04 02:17:57 C 00 33 38.52 -23 37 13.2 – V 703
2021-01-04 02:25:34 C 00 33 38.66 -23 37 07.9 – V 703
2021-01-05 05:56:37 C 00 34 10.90 -23 17 40.7 – V T08
2021-01-05 06:02:35 C 00 34 11.02 -23 17 36.5 – V T08
2021-01-05 06:10:33 C 00 34 11.14 -23 17 30.8 – V T08
2021-01-05 06:29:08 C 00 34 11.48 -23 17 17.4 – V T08
2021-01-07 05:38:34 C 00 35 11.22 -22 43 54.8 – V T05
2021-01-07 05:43:11 C 00 35 11.30 -22 43 51.2 – V T05
2021-01-07 05:51:08 C 00 35 11.44 -22 43 45.5 – V T05
2021-01-07 06:06:20 C 00 35 11.74 -22 43 34.8 – V T05
2021-01-10 11:41:23 C 00 36 59.59 -21 48 10.6 – q Q68