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
2016-11-29 22:54:09 S 00 26 53.021 -30 47 15.07 L C51
2016-11-30 00:28:24 S 00 26 50.088 -30 46 21.18 L C51
2016-11-30 02:02:50 S 00 26 47.00 -30 45 30.1 L C51
2016-11-30 05:11:31 S 00 26 40.95 -30 43 45.2 L C51
2016-11-30 08:20:02 S 00 26 35.05 -30 41 59.8 L C51
2016-11-30 08:20:12 S 00 26 35.02 -30 41 59.6 L C51
2016-12-08 06:33:31 S 00 22 43.589 -28 49 32.56 L C51
2016-12-13 06:13:33 C 00 22 10.45 -27 34 30.8 L T05
2016-12-13 06:30:36 C 00 22 10.40 -27 34 20.3 L T05
2016-12-13 06:47:37 C 00 22 10.34 -27 34 09.4 L T05
2016-12-13 07:05:21 C 00 22 10.34 -27 33 56.8 L T05
2016-12-25 05:37:33 C 00 25 21.13 -24 26 02.9 L T05
2016-12-25 05:55:43 C 00 25 21.50 -24 25 51.7 L T05
2016-12-25 06:12:17 C 00 25 21.76 -24 25 40.3 L T05
2016-12-25 06:29:43 C 00 25 22.00 -24 25 28.0 L T05
2016-12-29 02:15:35 C 00 27 27.51 -23 23 30.1 o W92
2016-12-29 02:21:06 C 00 27 27.61 -23 23 25.9 o W92
2017-01-02 05:16:25 C 00 30 11.56 -22 16 16.9 L T05
2017-01-02 05:32:54 C 00 30 12.00 -22 16 06.6 L T05
2017-01-02 05:50:46 C 00 30 12.52 -22 15 53.6 L T05
2017-01-02 06:07:45 C 00 30 12.96 -22 15 43.2 L T05
2017-01-09 01:43:39 C 00 35 37.63 -20 23 05.1 q 703
2017-01-09 01:51:35 C 00 35 37.83 -20 22 59.8 q 703
2017-01-09 01:59:35 C 00 35 38.12 -20 22 54.0 q 703
2017-01-09 02:07:28 C 00 35 38.35 -20 22 49.5 q 703
2017-01-14 05:03:52 C 00 40 17.26 -18 57 03.0 L T05
2017-01-14 05:14:58 C 00 40 17.64 -18 56 56.0 L T05
2017-01-14 05:28:12 C 00 40 18.13 -18 56 45.8 L T05
2017-01-14 05:42:31 C 00 40 18.69 -18 56 36.0 L T05
2017-01-24 20:56:41 C 00 51 04.13 -15 54 43.0 o Z22
2017-01-24 21:00:12 C 00 51 04.20 -15 54 41.1 o Z22
2017-01-24 21:03:42 C 00 51 04.40 -15 54 38.3 o Z22
2017-01-24 21:18:55 C 00 51 05.04 -15 54 27.5 o Z22
2017-01-26 05:14:14 C 00 52 30.02 -15 31 14.7 L T05
2017-01-26 05:14:54 C 00 52 30.08 -15 31 15.1 L T05
2017-01-26 05:20:30 C 00 52 30.32 -15 31 10.1 L T05
2017-01-26 05:22:39 C 00 52 30.39 -15 31 09.2 L T05
2017-01-26 05:30:06 C 00 52 30.75 -15 31 04.7 L T05
2017-01-26 05:32:59 C 00 52 30.84 -15 31 01.8 L T05
2017-01-26 05:41:41 C 00 52 31.16 -15 30 54.2 L T05
2017-01-26 05:44:40 C 00 52 31.35 -15 30 53.7 L T05
2017-01-29 20:00:57 C 00 56 22.85 -14 27 34.3 o Z22
2017-01-29 20:08:26 C 00 56 23.14 -14 27 29.6 o Z22
2017-01-29 21:16:29 C 00 56 26.04 -14 26 37.2 o Z22
2017-08-20 04:40:03 C 04 59 09.22 +07 09 06.0 c J04
2017-08-20 04:56:53 C 04 59 10.66 +07 08 59.9 c J04
2017-08-20 05:13:43 C 04 59 12.09 +07 08 53.6 c J04
2017-08-20 05:30:33 C 04 59 13.51 +07 08 47.3 c J04
2017-09-12 14:19:47 C 05 48 06.79 +02 21 26.4 L T08
2017-09-12 14:29:15 C 05 48 07.60 +02 21 20.5 L T08