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
2020-11-28 07:38:44 C 00 45 17.35 -33 03 18.3 V T05
2020-11-28 07:43:22 C 00 45 17.04 -33 03 16.1 V T05
2020-11-28 07:44:41 C 00 45 16.94 -33 03 14.9 V T05
2020-11-28 08:40:58 C 00 45 13.22 -33 02 47.3 V T05
2020-11-28 08:43:37 C 00 45 13.03 -33 02 45.5 V T05
2020-11-28 08:50:20 C 00 45 12.60 -33 02 42.7 V T05
2020-11-28 08:55:39 C 00 45 12.23 -33 02 39.7 V T05
2020-11-30 06:58:05 C 00 42 31.21 -32 39 21.7 V T08
2020-11-30 07:02:45 C 00 42 30.94 -32 39 18.5 V T08
2020-11-30 07:10:03 C 00 42 30.53 -32 39 15.2 V T08
2020-11-30 07:24:39 C 00 42 29.64 -32 39 07.2 V T08
2020-12-02 07:20:40 C 00 40 01.45 -32 13 27.1 V T05
2020-12-02 07:25:17 C 00 40 01.21 -32 13 24.8 V T05
2020-12-02 07:33:53 C 00 40 00.75 -32 13 19.8 V T05
2020-12-02 07:49:42 C 00 39 59.95 -32 13 10.8 V T05
2020-12-06 06:05:55 C 00 36 03.97 -31 19 15.6 V T05
2020-12-06 06:10:32 C 00 36 03.76 -31 19 13.0 V T05
2020-12-06 06:21:47 C 00 36 03.34 -31 19 06.7 V T05
2020-12-06 06:41:35 C 00 36 02.54 -31 18 54.7 V T05
2020-12-07 11:30:13 C 00 35 03.90 -31 01 29.2 q Q68
2020-12-07 11:32:28 C 00 35 03.72 -31 01 27.7 q Q68
2020-12-07 11:34:41 C 00 35 03.63 -31 01 26.4 q Q68
2020-12-07 11:36:55 C 00 35 03.54 -31 01 24.9 q Q68
2020-12-08 06:24:46 C 00 34 28.87 -30 50 10.5 V T08
2020-12-08 06:29:24 C 00 34 28.69 -30 50 07.5 V T08
2020-12-08 06:38:01 C 00 34 28.41 -30 50 02.2 V T08
2020-12-08 06:42:40 C 00 34 28.27 -30 49 59.5 V T08
2020-12-08 06:47:19 C 00 34 28.11 -30 49 56.8 V T08
2020-12-08 06:52:38 C 00 34 27.89 -30 49 53.1 V T08
2020-12-08 06:55:57 C 00 34 27.81 -30 49 51.1 V T08
2020-12-08 07:10:33 C 00 34 27.33 -30 49 42.1 V T08
2020-12-08 11:27:32 C 00 34 19.65 -30 46 55.1 q Q68
2020-12-08 11:29:43 C 00 34 19.57 -30 46 53.5 q Q68
2020-12-08 11:31:55 C 00 34 19.51 -30 46 52.4 q Q68
2020-12-08 11:34:09 C 00 34 19.44 -30 46 50.8 q Q68
2020-12-08 12:39:29 C 00 34 17.33 -30 46 10.2 q Q68
2020-12-08 12:41:41 C 00 34 17.29 -30 46 08.7 q Q68
2020-12-08 12:43:53 C 00 34 17.19 -30 46 07.4 q Q68
2020-12-08 12:46:04 C 00 34 17.12 -30 46 05.5 q Q68
2020-12-10 06:46:13 C 00 33 10.09 -30 20 15.4 V T05
2020-12-10 06:51:30 C 00 33 09.96 -30 20 12.0 V T05
2020-12-10 07:00:45 C 00 33 09.72 -30 20 06.1 V T05
2020-12-10 07:16:38 C 00 33 09.27 -30 19 56.0 V T05
2020-12-12 06:21:31 C 00 32 07.85 -29 50 07.9 V T08
2020-12-12 06:26:51 C 00 32 07.75 -29 50 04.6 V T08
2020-12-12 06:36:48 C 00 32 07.53 -29 49 57.9 V T08
2020-12-12 06:52:44 C 00 32 07.13 -29 49 47.6 V T08
2020-12-14 06:27:29 C 00 31 19.20 -29 19 05.9 V T05
2020-12-14 06:32:07 C 00 31 19.14 -29 19 02.7 V T05
2020-12-14 06:40:42 C 00 31 18.99 -29 18 56.9 V T05