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
2020-10-18 19:24:12 s 1 -210917.65 1 +159093.65 9090.0 C57
2020-10-18 19:34:12 S 02 53 11.062 -27 42 34.31 V C57
2020-10-18 19:34:12 s 1 -210911.91 3 +158380.49 7290.0 C57
2020-10-18 19:44:12 S 02 53 09.456 -27 42 47.52 V C57
2020-10-18 19:44:12 s 1 -210904.52 8 +157666.10 4280.0 C57
2020-10-18 19:54:12 S 02 53 07.918 -27 43 01.85 V C57
2020-10-18 19:54:12 s 1 -210895.48 7 +156950.47 70.0 C57
2020-10-18 20:04:12 S 02 53 06.590 -27 43 17.15 V C57
2020-10-18 20:04:12 s 1 -210884.78 4 +156233.60 4640.0 C57
2020-10-18 20:14:12 S 02 53 05.124 -27 43 31.76 V C57
2020-10-18 20:14:12 s 1 -210872.40 9 +155515.50 7990.0 C57
2020-10-18 20:24:12 S 02 53 03.679 -27 43 44.65 V C57
2020-10-18 20:24:12 s 1 -210858.35 5 +154796.17 120.0 C57
2020-10-18 20:44:12 S 02 53 00.703 -27 44 14.32 V C57
2020-10-18 20:44:12 s 1 -210825.17 5 +153353.78 670.0 C57
2020-10-18 20:54:12 S 02 52 59.234 -27 44 29.83 V C57
2020-10-18 20:54:12 s 1 -210806.03 2 +152630.73 9080.0 C57
2020-10-18 21:34:12 S 02 52 53.256 -27 45 29.45 V C57
2020-10-18 21:34:12 s 1 -210712.24 7 +149726.14 200.0 C57
2020-10-18 21:44:12 S 02 52 51.823 -27 45 44.24 V C57
2020-10-18 21:44:12 s 1 -210684.45 4 +148996.89 2320.0 C57
2020-10-18 21:54:12 S 02 52 50.261 -27 45 55.15 V C57
2020-10-18 21:54:12 s 1 -210654.90 6 +148266.41 3170.0 C57
2020-10-18 22:04:12 S 02 52 48.866 -27 46 11.24 V C57
2020-10-18 22:04:12 s 1 -210623.59 2 +147534.68 2730.0 C57
2020-10-18 22:14:12 S 02 52 47.448 -27 46 22.73 V C57
2020-10-18 22:14:12 s 1 -210590.50 5 +146801.71 1000.0 C57
2020-10-18 22:24:12 S 02 52 45.938 -27 46 37.88 V C57
2020-10-18 22:24:12 s 1 -210555.63 5 +146067.50 7980.0 C57
2020-10-18 22:34:12 S 02 52 44.599 -27 46 51.06 V C57
2020-10-18 22:34:12 s 1 -210518.97 3 +145332.05 3660.0 C57
2020-10-18 22:44:12 S 02 52 43.114 -27 47 07.58 V C57
2020-10-18 22:44:12 s 1 -210480.51 1 +144595.36 8030.0 C57
2020-10-18 22:54:12 S 02 52 41.568 -27 47 20.22 V C57
2020-10-18 22:54:12 s 1 -210440.23 9 +143857.43 1100.0 C57
2020-10-18 23:04:12 S 02 52 40.258 -27 47 34.94 V C57
2020-10-18 23:04:12 s 1 -210398.14 8 +143118.25 2840.0 C57
2020-10-18 23:14:12 S 02 52 38.702 -27 47 48.23 V C57
2020-10-18 23:14:12 s 1 -210354.22 9 +142377.83 3260.0 C57
2020-10-18 23:24:12 S 02 52 37.082 -27 48 03.74 V C57
2020-10-18 23:24:12 s 1 -210308.47 2 +141636.17 2360.0 C57
2020-10-18 23:34:12 S 02 52 35.782 -27 48 18.47 V C57
2020-10-18 23:34:12 s 1 -210260.86 9 +140893.27 120.0 C57
2020-10-18 23:44:12 S 02 52 34.363 -27 48 34.74 V C57
2020-10-18 23:44:12 s 1 -210211.40 9 +140149.12 6530.0 C57
2020-10-19 00:04:12 S 02 52 31.411 -27 49 00.66 V C57
2020-10-19 00:04:12 s 1 -210106.88 1 +138657.11 5310.0 C57
2020-10-19 00:14:12 S 02 52 29.890 -27 49 14.95 V C57
2020-10-19 00:14:12 s 1 -210051.79 4 +137909.23 7670.0 C57
2020-10-19 00:24:12 S 02 52 28.332 -27 49 32.16 V C57