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
2020-10-19 00:24:12 s 1 -209994.81 2 +137160.12 8650.0 C57
2020-10-19 00:34:12 S 02 52 27.094 -27 49 43.93 V C57
2020-10-19 00:34:12 s 1 -209935.92 5 +136409.76 8260.0 C57
2020-10-19 00:44:12 S 02 52 25.622 -27 49 57.47 V C57
2020-10-19 00:44:12 s 1 -209875.12 4 +135658.15 6500.0 C57
2020-10-19 00:54:12 S 02 52 24.091 -27 50 12.62 V C57
2020-10-19 00:54:12 s 1 -209812.39 8 +134905.31 3350.0 C57
2020-10-19 01:04:12 S 02 52 22.646 -27 50 28.25 V C57
2020-10-19 01:04:12 s 1 -209747.73 7 +134151.22 8800.0 C57
2020-10-19 01:14:12 S 02 52 21.156 -27 50 44.48 V C57
2020-10-19 01:14:12 s 1 -209681.13 2 +133395.89 2860.0 C57
2020-10-19 01:24:12 S 02 52 19.826 -27 50 55.25 V C57
2020-10-19 01:24:12 s 1 -209612.57 2 +132639.32 5500.0 C57
2020-10-19 02:24:12 S 02 52 10.721 -27 52 22.40 V C57
2020-10-19 02:24:12 s 1 -209159.57 5 +128073.79 1500.0 C57
2020-10-19 02:34:12 S 02 52 09.624 -27 52 34.10 V C57
2020-10-19 02:34:12 s 1 -209077.03 9 +127308.52 4120.0 C57
2020-10-19 02:44:12 S 02 52 08.357 -27 52 46.63 V C57
2020-10-19 02:44:12 s 1 -208992.46 3 +126542.01 5280.0 C57
2020-10-19 02:54:12 S 02 52 06.722 -27 53 03.08 V C57
2020-10-19 02:54:12 s 1 -208905.83 7 +125774.26 4970.0 C57
2020-10-19 03:04:12 S 02 52 05.062 -27 53 19.72 V C57
2020-10-19 03:04:12 s 1 -208817.14 9 +125005.28 3190.0 C57
2020-10-19 03:14:12 S 02 52 03.557 -27 53 34.30 V C57
2020-10-19 03:14:12 s 1 -208726.39 0 +124235.05 9920.0 C57
2020-10-19 03:24:12 S 02 52 02.249 -27 53 47.65 V C57
2020-10-19 03:24:12 s 1 -208633.54 7 +123463.58 5170.0 C57
2020-10-19 03:34:12 S 02 52 00.941 -27 54 02.09 V C57
2020-10-19 03:34:12 s 1 -208538.61 0 +122690.87 8920.0 C57
2020-10-19 03:44:12 S 02 51 59.263 -27 54 14.51 V C57
2020-10-19 03:44:12 s 1 -208441.56 7 +121916.93 1170.0 C57
2020-10-19 03:54:12 S 02 51 57.986 -27 54 28.94 V C57
2020-10-19 03:54:12 s 1 -208342.40 7 +121141.75 1900.0 C57
2020-10-19 04:04:12 S 02 51 56.496 -27 54 43.31 V C57
2020-10-19 04:04:12 s 1 -208241.11 8 +120365.33 1120.0 C57
2020-10-19 04:14:12 S 02 51 54.960 -27 54 57.85 V C57
2020-10-19 04:14:12 s 1 -208137.68 9 +119587.67 8810.0 C57
2020-10-19 04:24:12 S 02 51 53.467 -27 55 11.32 V C57
2020-10-19 04:24:12 s 1 -208032.10 7 +118808.78 4970.0 C57
2020-10-19 04:34:12 S 02 51 52.056 -27 55 28.13 V C57
2020-10-19 04:34:12 s 1 -207924.36 2 +118028.65 9580.0 C57
2020-10-19 04:44:12 S 02 51 50.626 -27 55 41.66 V C57
2020-10-19 04:44:12 s 1 -207814.44 1 +117247.29 2650.0 C57
2020-10-19 04:54:12 S 02 51 49.195 -27 55 53.76 V C57
2020-10-19 04:54:12 s 1 -207702.33 3 +116464.70 4170.0 C57
2020-10-19 05:04:12 S 02 51 47.794 -27 56 07.80 V C57
2020-10-19 05:04:12 s 1 -207588.02 5 +115680.87 4120.0 C57
2020-10-19 05:14:12 S 02 51 46.349 -27 56 23.14 V C57
2020-10-19 05:14:12 s 1 -207471.50 6 +114895.81 2490.0 C57
2020-10-19 05:24:12 S 02 51 44.990 -27 56 37.54 V C57