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
2020-08-26 11:19:12 C 04 09 32.64 +05 53 22.2 – V 703
2020-08-26 11:26:24 C 04 09 32.71 +05 53 14.2 – V 703
2020-08-27 14:42:51 C 04 09 59.56 +05 24 51.1 – V T08
2020-08-27 14:51:29 C 04 09 59.65 +05 24 42.0 – V T08
2020-08-27 14:57:37 C 04 09 59.71 +05 24 35.5 – V T08
2020-08-27 15:14:22 C 04 09 59.95 +05 24 17.8 – V T08
2020-08-28 10:43:56 C 04 10 17.40 +05 03 31.4 – V 703
2020-08-28 10:51:48 C 04 10 17.48 +05 03 23.0 – V 703
2020-08-28 10:59:39 C 04 10 17.56 +05 03 14.4 – V 703
2020-08-28 11:07:31 C 04 10 17.66 +05 03 06.6 – V 703
2020-08-29 14:05:22 C 04 10 38.84 +04 33 53.9 – V T05
2020-08-29 14:08:42 C 04 10 38.875 +04 33 50.33 – U F51
2020-08-29 14:10:00 C 04 10 38.89 +04 33 48.9 – V T05
2020-08-29 14:21:43 C 04 10 38.993 +04 33 36.06 – U F51
2020-08-29 14:22:38 C 04 10 38.98 +04 33 35.0 – V T05
2020-08-29 14:34:46 C 04 10 39.108 +04 33 21.85 – U F51
2020-08-29 14:35:51 C 04 10 39.12 +04 33 20.7 – V T05
2020-08-29 14:44:33 C 04 10 39.19 +04 33 11.1 – V T05
2020-08-29 14:51:10 C 04 10 39.27 +04 33 03.6 – V T05
2020-08-29 15:09:32 C 04 10 39.42 +04 32 43.8 – V T05
2020-08-29 15:15:30 C 04 10 39.49 +04 32 37.3 – V T05
2020-08-31 14:08:39 C 04 11 08.41 +03 40 07.9 – V T08
2020-08-31 14:16:36 C 04 11 08.45 +03 39 59.0 – V T08
2020-08-31 14:21:15 C 04 11 08.46 +03 39 54.0 – V T08
2020-08-31 14:42:29 C 04 11 08.58 +03 39 29.6 – V T08
2020-09-02 12:26:34 C 04 11 26.81 +02 46 13.9 – V T05
2020-09-02 12:31:51 C 04 11 26.83 +02 46 07.8 – V T05
2020-09-02 12:40:00 C 04 11 26.82 +02 45 58.2 – V T05
2020-09-02 12:55:18 C 04 11 26.88 +02 45 40.0 – V T05
2020-09-04 02:16:26 C 04 11 33.32 +02 00 31.2 – V 160
2020-09-04 02:19:28 C 04 11 33.34 +02 00 27.7 – V 160
2020-09-04 02:22:04 C 04 11 33.31 +02 00 24.4 – V 160
2020-09-04 13:33:39 C 04 11 33.96 +01 46 42.6 – V T08
2020-09-04 13:38:23 C 04 11 33.95 +01 46 36.5 – V T08
2020-09-04 13:45:41 C 04 11 33.96 +01 46 27.8 – V T08
2020-09-04 13:46:21 C 04 11 33.92 +01 46 27.2 – V T08
2020-09-04 13:50:19 C 04 11 33.92 +01 46 21.9 – V T08
2020-09-04 14:01:00 C 04 11 33.88 +01 46 08.8 – V T08
2020-09-04 14:01:39 C 04 11 33.88 +01 46 08.1 – V T08
2020-09-04 14:23:38 C 04 11 33.82 +01 45 40.8 – V T08
2020-09-05 11:02:30 C 04 11 32.97 +01 19 50.2 – V 703
2020-09-05 11:10:16 C 04 11 32.90 +01 19 40.9 – V 703
2020-09-05 11:18:01 C 04 11 32.91 +01 19 31.2 – V 703
2020-09-05 11:25:47 C 04 11 32.85 +01 19 21.7 – V 703
2020-09-06 03:13:10 C 04 11 30.53 +00 59 17.0 – V 160
2020-09-06 03:16:04 C 04 11 30.48 +00 59 13.4 – V 160
2020-09-06 03:19:00 C 04 11 30.47 +00 59 09.7 – V 160
2020-09-06 14:10:36 C 04 11 28.19 +00 45 18.3 – V T05
2020-09-06 14:15:55 C 04 11 28.14 +00 45 11.4 – V T05
2020-09-06 14:25:11 C 04 11 28.08 +00 44 59.4 – V T05