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
2025-01-23 18:51:25 C 00 34 02.306 -20 30 23.00 V M22
2025-01-23 19:01:54 C 00 34 02.297 -20 30 15.26 V M22
2025-01-23 19:16:32 C 00 34 02.242 -20 30 04.25 V M22
2025-01-27 00:46:17 C 00 33 39.876 -19 32 40.42 V W68
2025-01-27 00:50:50 C 00 33 39.828 -19 32 37.46 V W68
2025-01-27 01:00:00 C 00 33 39.773 -19 32 30.12 V W68
2025-01-27 01:15:13 C 00 33 39.617 -19 32 18.74 V W68
2025-01-31 00:42:50 C 00 32 24.571 -18 20 50.42 V W68
2025-01-31 00:47:23 C 00 32 24.410 -18 20 47.08 V W68
2025-01-31 00:55:12 C 00 32 24.240 -18 20 41.32 V W68
2025-01-31 01:10:29 C 00 32 23.974 -18 20 29.33 V W68
2025-08-25 13:40:51 C 05 31 01.217 +06 44 48.80 V T05
2025-08-25 13:52:47 C 05 31 02.390 +06 44 44.02 V T05
2025-08-25 14:04:43 C 05 31 03.610 +06 44 39.91 V T05
2025-08-25 14:16:38 C 05 31 04.788 +06 44 35.41 V T05
2025-09-02 04:38:14 C 05 49 38.554 +05 27 28.22 V R17
2025-09-02 04:58:55 C 05 49 40.644 +05 27 19.15 V R17
2025-09-02 05:19:53 C 05 49 42.814 +05 27 09.32 V R17
2025-09-02 05:40:54 C 05 49 44.954 +05 26 59.06 V R17
2025-09-30 05:28:48 C 07 07 46.325 -02 04 43.03 V R17
2025-09-30 05:33:53 C 07 07 46.994 -02 04 47.28 V R17
2025-09-30 05:38:59 C 07 07 47.654 -02 04 52.03 V R17
2025-09-30 05:44:05 C 07 07 48.350 -02 04 56.78 V R17
2025-10-08 14:00:18 C 07 36 40.296 -05 25 46.49 V T08
2025-10-08 14:08:12 C 07 36 41.506 -05 25 54.95 V T08
2025-10-08 14:25:20 C 07 36 44.174 -05 26 13.81 V T08
2025-10-08 14:29:57 C 07 36 44.868 -05 26 18.96 V T08
2025-10-14 15:17:40 C 08 00 33.670 -08 14 59.96 V T08
2025-10-14 15:21:37 C 08 00 34.337 -08 15 04.79 V T08
2025-10-14 15:26:29 C 08 00 35.148 -08 15 10.30 V T08
2025-10-14 15:31:25 C 08 00 36.024 -08 15 17.39 V T08
2025-10-15 13:40:02 C 08 04 31.246 -08 42 52.34 V T05
2025-10-15 13:45:17 C 08 04 32.201 -08 42 58.72 V T05
2025-10-15 13:47:53 C 08 04 32.657 -08 43 02.42 V T05
2025-10-15 13:52:29 C 08 04 33.482 -08 43 08.18 V T05
2025-10-15 13:54:26 C 08 04 33.792 -08 43 10.45 V T05
2025-10-15 14:09:36 C 08 04 36.506 -08 43 28.96 V T05
2025-10-15 14:15:33 C 08 04 37.512 -08 43 37.06 V T05
2025-10-19 14:41:07 C 08 22 40.745 -10 49 14.66 V T08
2025-10-19 14:49:05 C 08 22 42.278 -10 49 25.39 V T08
2025-10-19 14:55:00 C 08 22 43.423 -10 49 33.06 V T08
2025-10-20 14:32:55 C 08 27 25.200 -11 21 38.34 V T08
2025-10-20 14:36:52 C 08 27 25.961 -11 21 43.34 V T08
2025-10-20 14:49:57 C 08 27 28.565 -11 22 01.60 V T08
2025-10-20 15:01:21 C 08 27 30.804 -11 22 17.08 V T08
2025-10-21 10:55:37 C 08 31 33.625 -11 49 42.31 V 703
2025-10-21 10:58:55 C 08 31 34.388 -11 49 46.96 V 703
2025-10-21 11:02:13 C 08 31 35.004 -11 49 51.64 V 703
2025-10-21 11:05:30 C 08 31 35.670 -11 49 57.07 V 703
2025-10-21 14:44:11 C 08 32 20.642 -11 54 57.74 V T05