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
2025-10-21 15:07:14 C 08 32 25.344 -11 55 30.25 V T05
2025-10-21 15:15:50 C 08 32 27.098 -11 55 42.06 V T05
2025-10-21 15:28:56 C 08 32 29.736 -11 56 00.38 V T05
2025-10-22 01:38:28 C 08 34 36.461 -12 09 57.49 V M22
2025-10-22 01:42:27 C 08 34 37.272 -12 10 03.04 V M22
2025-10-22 01:51:15 C 08 34 39.096 -12 10 15.31 V M22
2025-10-22 02:00:52 C 08 34 41.074 -12 10 28.78 V M22
2025-10-22 02:37:34 C 08 34 48.648 -12 11 20.18 V M22
2025-10-25 14:02:17 C 08 53 01.687 -14 10 35.26 V T08
2025-10-25 14:06:15 C 08 53 02.578 -14 10 40.73 V T08
2025-10-25 14:17:29 C 08 53 05.098 -14 10 57.11 V T08
2025-10-25 14:31:21 C 08 53 08.227 -14 11 17.20 V T08
2025-10-28 11:21:04 C 09 09 29.210 -15 52 34.18 V 703
2025-10-28 11:24:34 C 09 09 30.049 -15 52 41.41 V 703
2025-10-28 11:28:03 C 09 09 30.841 -15 52 46.74 V 703
2025-10-28 11:31:35 C 09 09 31.763 -15 52 51.67 V 703
2025-10-29 01:57:53 C 09 13 07.505 -16 14 05.93 V M22
2025-10-29 02:21:05 C 09 13 13.262 -16 14 40.20 V M22
2025-10-29 02:23:41 C 09 13 13.910 -16 14 44.38 V M22
2025-10-30 08:04:32 C 09 20 48.706 -16 58 59.66 V W68
2025-10-30 08:09:19 C 09 20 49.939 -16 59 06.76 V W68
2025-10-30 08:43:19 C 09 20 58.675 -16 59 57.84 V W68
2025-10-30 08:48:38 C 09 21 00.053 -17 00 05.90 V W68
2025-10-30 11:18:33 C 09 21 39.067 -17 04 03.04 V 703
2025-10-30 11:21:51 C 09 21 39.902 -17 04 08.15 V 703
2025-10-30 11:25:11 C 09 21 40.792 -17 04 13.04 V 703
2025-10-30 11:28:30 C 09 21 41.616 -17 04 18.30 V 703
2025-11-02 13:18:24 C 09 41 46.174 -18 54 08.64 V T05
2025-11-02 13:24:26 C 09 41 47.830 -18 54 17.24 V T05
2025-11-02 13:32:26 C 09 41 50.098 -18 54 29.84 V T05
2025-11-02 13:45:41 C 09 41 53.827 -18 54 49.68 V T05
2025-11-03 13:22:51 C 09 48 40.922 -19 29 34.66 V T05
2025-11-03 13:36:01 C 09 48 44.700 -19 29 53.66 V T05
2025-11-03 13:40:39 C 09 48 46.030 -19 30 01.12 V T05
2025-11-08 14:22:25 C 10 26 15.830 -22 19 27.91 V T05
2025-11-08 14:33:35 C 10 26 19.519 -22 19 42.74 V T05
2025-11-08 14:43:27 C 10 26 22.747 -22 19 55.78 V T05
2025-11-08 15:08:23 C 10 26 30.910 -22 20 29.29 V T05
2025-11-12 14:49:39 C 10 59 33.233 -24 16 56.39 V T08
2025-11-12 14:54:29 C 10 59 34.939 -24 17 01.54 V T08
2025-11-12 15:04:34 C 10 59 38.515 -24 17 12.80 V T08
2025-11-12 15:19:14 C 10 59 43.754 -24 17 29.18 V T08
2025-11-15 15:00:59 C 11 26 09.845 -25 28 22.98 V T05
2025-11-15 15:06:14 C 11 26 11.806 -25 28 27.80 V T05
2025-11-15 15:06:53 C 11 26 12.019 -25 28 28.09 V T05
2025-11-15 15:16:47 C 11 26 15.766 -25 28 37.06 V T05
2025-11-15 15:22:48 C 11 26 17.986 -25 28 42.31 V T05
2025-11-15 15:24:08 C 11 26 18.487 -25 28 43.36 V T05
2025-11-15 15:38:36 C 11 26 23.909 -25 28 56.60 V T05
2025-11-15 15:39:55 C 11 26 24.396 -25 28 57.50 V T05