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
2020-10-13 11:18:32 C 03 13 13.77 -24 13 26.3 V T08
2020-10-15 08:03:18 C 03 06 48.63 -25 29 58.2 V 703
2020-10-15 08:10:49 C 03 06 47.46 -25 30 10.7 V 703
2020-10-15 08:18:20 C 03 06 46.35 -25 30 23.4 V 703
2020-10-15 08:25:51 C 03 06 45.19 -25 30 35.9 V 703
2020-10-15 08:32:40 C 03 06 44.13 -25 30 47.1 V 703
2020-10-15 08:40:13 C 03 06 42.98 -25 31 00.0 V 703
2020-10-15 08:47:45 C 03 06 41.84 -25 31 12.6 V 703
2020-10-15 08:55:18 C 03 06 40.66 -25 31 25.1 V 703
2020-10-15 11:19:29 C 03 06 19.70 -25 35 23.6 V T05
2020-10-15 11:23:26 C 03 06 19.09 -25 35 30.1 V T05
2020-10-15 11:34:01 C 03 06 17.48 -25 35 47.9 V T05
2020-10-15 11:57:41 C 03 06 13.86 -25 36 27.3 V T05
2020-10-17 10:57:51 C 02 59 09.34 -26 52 45.0 V T08
2020-10-17 11:02:30 C 02 59 08.61 -26 52 52.4 V T08
2020-10-17 11:10:27 C 02 59 07.35 -26 53 04.9 V T08
2020-10-17 11:17:47 C 02 59 06.17 -26 53 16.6 V T08
2020-10-18 16:24:12 S 02 53 38.870 -27 37 59.70 V C57
2020-10-18 16:24:12 s 1 -210748.13 3 +171720.00 1290.0 C57
2020-10-18 16:34:12 S 02 53 37.560 -27 38 14.57 V C57
2020-10-18 16:34:12 s 1 -210770.72 8 +171028.97 310.0 C57
2020-10-18 16:44:12 S 02 53 36.017 -27 38 30.23 V C57
2020-10-18 16:44:12 s 1 -210791.81 2 +170336.72 8220.0 C57
2020-10-18 16:54:12 S 02 53 34.394 -27 38 42.22 V C57
2020-10-18 16:54:12 s 1 -210811.37 8 +169643.24 5000.0 C57
2020-10-18 17:04:12 S 02 53 33.012 -27 38 57.59 V C57
2020-10-18 17:04:12 s 1 -210829.41 7 +168948.53 660.0 C57
2020-10-18 17:14:12 S 02 53 31.486 -27 39 09.25 V C57
2020-10-18 17:14:12 s 1 -210845.92 4 +168252.60 5190.0 C57
2020-10-18 17:24:12 S 02 53 30.065 -27 39 27.47 V C57
2020-10-18 17:24:12 s 1 -210860.89 1 +167555.44 8590.0 C57
2020-10-18 17:34:12 S 02 53 28.543 -27 39 39.64 V C57
2020-10-18 17:34:12 s 1 -210874.31 0 +166857.06 840.0 C57
2020-10-18 17:44:12 S 02 53 27.055 -27 39 54.22 V C57
2020-10-18 17:44:12 s 1 -210886.17 4 +166157.45 1960.0 C57
2020-10-18 17:54:12 S 02 53 25.666 -27 40 09.12 V C57
2020-10-18 17:54:12 s 1 -210896.47 7 +165456.60 1920.0 C57
2020-10-18 18:04:12 S 02 53 24.257 -27 40 21.90 V C57
2020-10-18 18:04:12 s 1 -210905.20 9 +164754.53 730.0 C57
2020-10-18 18:14:12 S 02 53 22.687 -27 40 39.22 V C57
2020-10-18 18:14:12 s 1 -210912.36 5 +164051.23 8380.0 C57
2020-10-18 18:24:12 S 02 53 21.259 -27 40 49.62 V C57
2020-10-18 18:24:12 s 1 -210917.93 5 +163346.70 4870.0 C57
2020-10-18 18:34:12 S 02 53 19.618 -27 41 06.04 V C57
2020-10-18 18:34:12 s 1 -210921.91 4 +162640.94 190.0 C57
2020-10-18 18:44:12 S 02 53 18.358 -27 41 23.17 V C57
2020-10-18 18:44:12 s 1 -210924.29 2 +161933.95 4340.0 C57
2020-10-18 19:14:12 S 02 53 13.778 -27 42 06.55 V C57
2020-10-18 19:14:12 s 1 -210921.75 0 +159805.58 9690.0 C57
2020-10-18 19:24:12 S 02 53 12.420 -27 42 18.68 V C57