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
2012-08-08 02:03:46 C 04 17 08.64 +17 19 56.2 o 071
2012-08-08 02:05:47 C 04 17 08.60 +17 19 54.4 o 071
2012-08-08 02:07:48 C 04 17 08.61 +17 19 51.7 o 071
2012-08-08 02:09:50 C 04 17 08.55 +17 19 49.4 o 071
2012-08-08 02:11:51 C 04 17 08.48 +17 19 47.2 o 071
2012-08-08 02:13:54 C 04 17 08.46 +17 19 44.1 o 071
2012-08-08 02:17:57 C 04 17 08.41 +17 19 39.3 o 071
2012-08-08 04:20:40 C 04 17 07.21 +17 17 13.7 t 954
2012-08-08 04:52:05 C 04 17 06.77 +17 16 35.4 t 954
2012-08-21 21:55:05 C 04 12 38.93 +10 07 59.9 r 168
2012-08-21 21:59:05 C 04 12 38.85 +10 07 54.5 r 168
2012-08-21 22:45:55 C 04 12 37.85 +10 06 48.0 r 168
2012-08-21 22:47:15 C 04 12 37.82 +10 06 46.3 r 168
2012-09-14 00:42:51 C 03 46 47.72 -05 56 33.8 o 071
2012-09-14 00:44:11 C 03 46 47.57 -05 56 36.2 o 071
2012-09-14 00:45:32 C 03 46 47.47 -05 56 38.8 o 071
2012-09-14 00:46:54 C 03 46 47.36 -05 56 41.9 o 071
2012-09-14 00:48:15 C 03 46 47.24 -05 56 44.6 o 071
2012-09-14 00:49:35 C 03 46 47.11 -05 56 47.8 o 071
2012-09-14 00:50:56 C 03 46 47.00 -05 56 50.4 o 071
2012-09-14 00:52:18 C 03 46 46.88 -05 56 53.1 o 071
2012-09-14 00:53:39 C 03 46 46.76 -05 56 55.8 o 071
2012-09-14 00:55:01 C 03 46 46.65 -05 56 58.8 o 071
2012-09-15 05:19:41 C 03 44 18.56 -06 56 15.0 u 844
2012-09-15 05:25:06 C 03 44 18.10 -06 56 26.0 u 844
2012-09-15 05:30:32 C 03 44 17.59 -06 56 38.3 u 844
2012-09-15 05:35:57 C 03 44 17.09 -06 56 49.8 u 844
2012-09-23 08:39:05 C 03 23 16.53 -14 03 06.4 q H45
2012-09-23 08:40:56 C 03 23 16.28 -14 03 10.3 q H45
2012-09-23 08:42:24 C 03 23 16.09 -14 03 13.6 q H45
2012-09-23 08:43:47 C 03 23 15.91 -14 03 16.7 q H45
2012-09-23 08:45:04 C 03 23 15.74 -14 03 19.6 q H45
2012-09-23 08:46:22 C 03 23 15.57 -14 03 22.4 q H45
2012-09-29 08:48:09 C 03 03 10.23 -19 17 45.3 u H21
2012-09-29 08:53:30 C 03 03 09.39 -19 17 56.8 u H21
2012-09-29 08:58:52 C 03 03 08.55 -19 18 08.1 u H21
2012-09-29 09:04:14 C 03 03 07.70 -19 18 19.5 u H21
2012-09-29 09:09:36 C 03 03 06.87 -19 18 30.7 u H21
2012-10-14 15:53:30 C 01 59 36.98 -29 47 35.5 r E12
2012-10-14 16:09:33 C 01 59 33.99 -29 47 54.2 r E12
2012-10-14 16:42:11 C 01 59 27.92 -29 48 32.2 r E12
2012-11-21 10:54:53 C 00 16 31.54 -31 08 14.6 r E12
2012-11-21 11:16:07 C 00 16 30.71 -31 08 04.1 r E12
2012-11-21 11:37:28 C 00 16 29.85 -31 07 53.0 r E12
2012-11-28 00:48:12 C 00 12 20.20 -29 43 35.8 u 822
2012-11-28 00:55:24 C 00 12 20.05 -29 43 31.7 u 822
2012-11-28 01:08:58 C 00 12 19.79 -29 43 24.2 u 822
2012-12-02 01:32:34 C 00 11 10.39 -28 48 04.3 17.7 c 704
2012-12-02 01:52:33 C 00 11 10.23 -28 47 52.7 17.9 c 704
2012-12-02 02:11:11 C 00 11 10.02 -28 47 41.4 17.7 c 704