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
2021-01-10 11:48:35 C 00 36 59.61 -21 48 05.5 q Q68
2021-01-10 12:09:42 C 00 37 00.22 -21 47 49.5 q Q68
2021-01-10 12:11:58 C 00 37 00.38 -21 47 48.2 q Q68
2021-01-10 12:14:16 C 00 37 00.41 -21 47 47.8 q Q68
2021-01-12 02:15:37 C 00 37 57.48 -21 20 46.5 V 703
2021-01-12 02:23:40 C 00 37 57.67 -21 20 40.3 V 703
2021-01-12 02:31:45 C 00 37 57.91 -21 20 34.3 V 703
2021-01-12 02:39:48 C 00 37 58.10 -21 20 28.6 V 703
2021-01-13 06:08:32 C 00 38 40.37 -21 00 42.9 V T08
2021-01-13 06:13:11 C 00 38 40.48 -21 00 39.3 V T08
2021-01-13 06:21:10 C 00 38 40.65 -21 00 33.9 V T08
2021-01-13 06:37:06 C 00 38 41.08 -21 00 22.5 V T08
2021-01-15 05:05:50 C 00 39 55.18 -20 26 54.9 V T05
2021-01-15 05:10:27 C 00 39 55.32 -20 26 52.0 V T05
2021-01-15 05:18:24 C 00 39 55.52 -20 26 45.3 V T05
2021-01-15 11:22:01 C 00 40 05.12 -20 22 12.6 q Q68
2021-01-15 11:24:13 C 00 40 05.10 -20 22 11.4 q Q68
2021-01-15 11:26:26 C 00 40 05.21 -20 22 09.6 q Q68
2021-01-15 11:28:38 C 00 40 05.26 -20 22 08.1 q Q68
2021-01-15 11:47:53 C 00 40 05.73 -20 21 53.9 q Q68
2021-01-15 11:50:11 C 00 40 05.84 -20 21 52.7 q Q68
2021-01-15 11:52:28 C 00 40 06.08 -20 21 51.8 q Q68
2021-01-15 11:54:46 C 00 40 05.99 -20 21 49.3 q Q68
2021-01-16 02:26:45 C 00 40 29.90 -20 11 30.8 V 703
2021-01-16 02:34:44 C 00 40 30.12 -20 11 24.9 V 703
2021-01-16 02:42:42 C 00 40 30.31 -20 11 19.3 V 703
2021-01-16 02:50:41 C 00 40 30.51 -20 11 12.9 V 703
2021-01-29 05:47:12 C 00 49 08.16 -16 19 37.5 V T08
2021-01-29 05:51:52 C 00 49 08.28 -16 19 34.1 V T08
2021-01-29 06:01:49 C 00 49 08.51 -16 19 26.5 V T08
2021-01-29 06:16:31 C 00 49 08.82 -16 19 15.8 V T08
2021-02-07 05:21:44 C 00 53 20.23 -13 34 38.5 V T08
2021-02-07 05:27:42 C 00 53 20.28 -13 34 33.5 V T08
2021-02-07 05:38:21 C 00 53 20.39 -13 34 25.2 V T08
2021-02-07 05:52:57 C 00 53 20.52 -13 34 13.4 V T08
2021-02-08 02:41:04 C 00 53 33.66 -13 17 54.9 U I41
2021-02-08 02:45:22 C 00 53 33.68 -13 17 51.6 U I41
2021-02-08 02:49:38 C 00 53 33.72 -13 17 48.2 U I41
2021-02-08 02:53:57 C 00 53 33.75 -13 17 44.8 U I41
2021-02-10 02:43:55 C 00 53 52.30 -12 39 47.9 U I41
2021-02-10 02:48:10 C 00 53 52.31 -12 39 44.5 U I41
2021-02-10 02:52:27 C 00 53 52.32 -12 39 41.1 U I41
2021-02-10 02:56:43 C 00 53 52.33 -12 39 37.6 U I41
2021-02-11 05:15:27 C 00 53 54.66 -12 18 29.0 V T08
2021-02-11 05:26:05 C 00 53 54.69 -12 18 21.2 V T08
2021-02-11 05:40:43 C 00 53 54.67 -12 18 08.7 V T08
2021-08-18 14:39:50 C 05 04 56.73 +07 31 29.2 V T08
2021-08-18 14:48:31 C 05 04 57.51 +07 31 26.6 V T08
2021-08-18 14:58:17 C 05 04 58.43 +07 31 23.3 V T08
2021-08-18 15:07:08 C 05 04 59.23 +07 31 21.1 V T08