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
2020-11-13 15:30:42 C 01 17 33.49 -34 52 01.1 – q Q68
2020-11-13 15:32:55 C 01 17 33.23 -34 52 00.8 – q Q68
2020-11-13 15:35:06 C 01 17 32.96 -34 52 00.4 – q Q68
2020-11-13 15:53:48 C 01 17 30.66 -34 51 59.0 – q Q68
2020-11-13 15:56:00 C 01 17 30.35 -34 51 58.7 – q Q68
2020-11-13 15:58:11 C 01 17 30.09 -34 51 58.3 – q Q68
2020-11-13 16:00:23 C 01 17 29.82 -34 51 58.3 – q Q68
2020-11-14 12:44:49 C 01 15 00.20 -34 50 19.8 – q Q68
2020-11-14 12:47:03 C 01 14 59.96 -34 50 19.8 – q Q68
2020-11-14 12:49:14 C 01 14 59.66 -34 50 19.3 – q Q68
2020-11-14 12:51:26 C 01 14 59.43 -34 50 19.1 – q Q68
2020-11-14 13:35:59 C 01 14 53.92 -34 50 14.3 – q Q68
2020-11-14 13:38:10 C 01 14 53.66 -34 50 13.9 – q Q68
2020-11-14 13:40:22 C 01 14 53.38 -34 50 13.8 – q Q68
2020-11-14 13:42:35 C 01 14 53.11 -34 50 13.3 – q Q68
2020-11-15 14:53:40 C 01 11 56.77 -34 47 04.5 – q Q68
2020-11-15 14:55:52 C 01 11 56.53 -34 47 05.8 – q Q68
2020-11-15 15:00:13 C 01 11 55.75 -34 47 06.6 – q Q68
2020-11-16 08:13:07 C 01 10 00.34 -34 44 33.8 – V T05
2020-11-16 08:18:23 C 01 09 59.73 -34 44 32.9 – V T05
2020-11-16 08:27:36 C 01 09 58.66 -34 44 31.2 – V T05
2020-11-16 08:42:06 C 01 09 57.00 -34 44 28.8 – V T05
2020-11-20 07:49:02 C 01 00 11.90 -34 21 21.7 – V T05
2020-11-20 07:58:58 C 01 00 10.92 -34 21 18.6 – V T05
2020-11-20 08:04:55 C 01 00 10.33 -34 21 16.8 – V T05
2020-11-20 08:31:22 C 01 00 07.73 -34 21 08.7 – V T05
2020-11-20 09:23:30 C 01 00 03.09 -34 20 40.6 – q E89
2020-11-20 09:32:22 C 01 00 02.24 -34 20 38.2 – q E89
2020-11-20 09:37:16 C 01 00 01.80 -34 20 36.8 – q E89
2020-11-20 09:48:48 C 01 00 00.68 -34 20 33.1 – q E89
2020-11-20 13:41:46 C 00 59 38.41 -34 19 19.6 – q Q68
2020-11-20 13:43:58 C 00 59 38.19 -34 19 18.7 – q Q68
2020-11-20 13:46:11 C 00 59 37.98 -34 19 17.9 – q Q68
2020-11-20 13:48:23 C 00 59 37.76 -34 19 17.1 – q Q68
2020-11-20 14:18:21 C 00 59 34.91 -34 19 07.2 – q Q68
2020-11-20 14:20:33 C 00 59 34.69 -34 19 06.6 – q Q68
2020-11-20 14:22:45 C 00 59 34.50 -34 19 05.8 – q Q68
2020-11-20 14:24:57 C 00 59 34.28 -34 19 04.9 – q Q68
2020-11-26 15:18:00 S 00 47 55.63 -33 22 18.4 – L C51
2020-11-26 18:26:20 S 00 47 42.72 -33 20 51.1 – L C51
2020-11-26 21:34:38 S 00 47 29.981 -33 19 23.88 – L C51
2020-11-26 23:08:42 S 00 47 23.537 -33 18 41.40 – L C51
2020-11-27 00:42:57 S 00 47 17.318 -33 17 54.78 – L C51
2020-11-27 02:17:01 S 00 47 11.03 -33 17 12.1 – L C51
2020-11-27 02:17:13 S 00 47 11.02 -33 17 12.5 – L C51
2020-11-27 03:51:16 S 00 47 04.77 -33 16 27.9 – L C51
2020-11-27 05:25:32 S 00 46 58.52 -33 15 44.4 – L C51
2020-11-27 08:33:50 S 00 46 46.14 -33 14 15.3 – L C51
2020-11-27 11:42:10 S 00 46 33.78 -33 12 46.2 – L C51
2020-11-28 07:36:45 C 00 45 17.46 -33 03 19.3 – V T05