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
2023-10-03 00:29:51 C 18 20 12.758 -33 58 29.21 V W68
2023-10-03 00:34:32 C 18 20 14.995 -33 58 34.03 V W68
2023-10-03 00:41:55 C 18 20 18.533 -33 58 41.56 V W68
2023-10-09 00:27:58 C 19 20 58.886 -35 11 42.83 V W68
2023-10-09 00:32:33 C 19 21 00.506 -35 11 43.01 V W68
2023-10-09 00:42:42 C 19 21 04.102 -35 11 43.87 V W68
2023-10-09 00:57:10 C 19 21 09.240 -35 11 44.52 V W68
2023-10-10 18:24:11 C 19 35 26.220 -35 11 41.42 V M22
2023-10-10 18:28:50 C 19 35 27.715 -35 11 40.99 V M22
2023-10-10 18:37:14 C 19 35 30.430 -35 11 40.20 V M22
2023-10-10 18:52:15 C 19 35 35.275 -35 11 38.72 V M22
2023-10-12 00:55:10 C 19 45 09.194 -35 07 52.64 V W68
2023-10-12 00:59:13 C 19 45 10.406 -35 07 51.96 V W68
2023-10-12 01:06:40 C 19 45 12.660 -35 07 50.48 V W68
2023-10-12 01:20:51 C 19 45 16.939 -35 07 47.78 V W68
2023-10-13 19:05:19 C 19 57 34.498 -34 58 28.20 V M22
2023-10-13 19:16:56 C 19 57 37.687 -34 58 24.96 V M22
2023-10-13 19:22:54 C 19 57 39.362 -34 58 23.02 V M22
2023-10-13 20:02:40 C 19 57 50.359 -34 58 10.99 V M22
2023-10-14 23:20:23 C 20 05 18.61 -34 50 02.7 834
2023-10-15 00:06:09 C 20 05 30.50 -34 49 47.0 834
2023-10-15 00:59:58 C 20 05 44.561 -34 49 31.04 V W68
2023-10-15 01:11:58 C 20 05 47.666 -34 49 26.94 V W68
2023-10-15 01:28:03 C 20 05 51.852 -34 49 21.14 V W68
2023-10-16 19:16:30 C 20 16 28.006 -34 34 17.72 V M22
2023-10-16 19:21:11 C 20 16 29.114 -34 34 15.89 V M22
2023-10-16 19:29:54 C 20 16 31.200 -34 34 12.25 V M22
2023-10-16 19:46:12 C 20 16 35.088 -34 34 05.66 V M22
2023-10-17 23:57:12 C 20 23 15.377 -34 22 40.58 V W68
2023-10-18 00:01:47 C 20 23 16.406 -34 22 38.64 V W68
2023-10-18 00:11:54 C 20 23 18.686 -34 22 34.25 V W68
2023-10-18 00:29:16 C 20 23 22.591 -34 22 26.83 V W68
2023-10-19 18:41:54 C 20 32 42.046 -34 03 45.11 V M22
2023-10-19 18:46:42 C 20 32 43.049 -34 03 42.91 V M22
2023-10-19 18:56:55 C 20 32 45.163 -34 03 38.05 V M22
2023-10-19 19:12:04 C 20 32 48.312 -34 03 30.92 V M22
2023-10-21 00:51:51 C 20 38 56.333 -33 49 33.17 V W68
2023-10-21 00:56:33 C 20 38 57.276 -33 49 30.50 V W68
2023-10-21 01:03:53 C 20 38 58.704 -33 49 26.90 V W68
2023-10-21 01:18:05 C 20 39 01.512 -33 49 19.81 V W68
2023-10-25 19:06:46 C 20 59 53.470 -32 51 28.69 V M22
2023-10-25 19:14:59 C 20 59 54.797 -32 51 24.05 V M22
2023-10-25 19:19:44 C 20 59 55.567 -32 51 21.49 V M22
2023-10-25 19:34:29 C 20 59 58.006 -32 51 13.82 V M22
2023-10-27 01:30:57 C 21 04 52.018 -32 35 18.60 V W68
2023-10-27 01:38:55 C 21 04 53.258 -32 35 13.70 V W68
2023-10-27 01:44:13 C 21 04 54.036 -32 35 11.18 V W68
2023-10-27 01:58:58 C 21 04 56.393 -32 35 02.83 V W68
2023-10-30 01:13:16 C 21 15 48.106 -31 56 30.05 V W68
2023-10-30 01:18:01 C 21 15 48.775 -31 56 27.46 V W68