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
2012-12-02 02:30:08 C 00 11 09.86 -28 47 30.4 18.0 c 704
2012-12-02 02:48:50 C 00 11 09.66 -28 47 19.4 17.6 c 704
2012-12-03 01:13:31 C 00 11 01.83 -28 34 05.8 17.7 c 704
2012-12-03 01:32:57 C 00 11 01.73 -28 33 54.9 17.7 c 704
2012-12-03 01:52:40 C 00 11 01.56 -28 33 43.4 17.2 c 704
2012-12-03 02:11:43 C 00 11 01.41 -28 33 31.7 17.9 c 704
2012-12-03 02:32:03 C 00 11 01.28 -28 33 20.0 17.5 c 704
2012-12-24 04:36:46 C 00 18 20.603 -23 15 52.71 L F51
2012-12-24 04:46:21 C 00 18 20.855 -23 15 46.53 L F51
2012-12-24 04:56:22 C 00 18 21.128 -23 15 40.19 L F51
2012-12-24 05:05:31 C 00 18 21.382 -23 15 34.15 L F51
2013-01-20 02:42:16 C 00 45 39.44 -16 03 03.3 t 290
2013-01-20 02:45:15 C 00 45 39.58 -16 03 01.4 t 290
2013-01-20 02:48:14 C 00 45 39.73 -16 02 59.3 t 290
2013-10-24 03:29:57 C 06 56 09.92 -18 49 51.4 r Y00
2013-10-24 03:32:35 C 06 56 10.26 -18 49 56.1 r Y00
2013-10-24 03:35:00 C 06 56 10.49 -18 50 01.6 r Y00
2013-11-21 08:03:00 C 08 51 33.76 -51 20 05.6 u 807
2013-11-21 08:04:11 C 08 51 34.18 -51 20 09.9 u 807
2013-11-21 08:05:35 C 08 51 34.67 -51 20 15.0 u 807
2013-11-21 08:08:26 C 08 51 35.65 -51 20 25.2 u 807
2013-11-21 08:09:52 C 08 51 36.15 -51 20 30.3 u 807
2013-11-21 08:10:58 C 08 51 36.54 -51 20 34.3 u 807
2013-12-01 05:35:45 C 11 04 44.04 -63 11 19.4 u 844
2013-12-01 05:45:06 C 11 04 51.47 -63 11 36.6 u 844
2013-12-01 05:47:28 C 11 04 53.35 -63 11 40.7 u 844
2013-12-01 05:49:49 C 11 04 55.24 -63 11 44.3 u 844
2015-10-29 23:53:37 C 20 01 47.30 -29 18 44.3 u 807
2015-10-29 23:55:18 C 20 01 47.69 -29 18 44.0 u 807
2015-10-29 23:57:01 C 20 01 48.08 -29 18 43.8 u 807
2015-10-29 23:58:44 C 20 01 48.47 -29 18 43.5 u 807
2015-10-30 00:00:26 C 20 01 48.87 -29 18 43.2 u 807
2015-11-23 01:32:32 C 21 41 09.64 -25 48 03.3 R G45
2015-11-23 01:39:08 C 21 41 10.52 -25 48 00.2 R G45
2015-11-23 01:46:16 C 21 41 11.39 -25 47 56.6 R G45
2015-11-23 01:53:21 C 21 41 12.31 -25 47 52.6 R G45
2016-07-12 02:18:19 C 03 55 25.07 +24 22 05.3 q 160
2016-07-12 02:21:20 C 03 55 25.00 +24 22 02.9 q 160
2016-07-12 02:24:18 C 03 55 24.93 +24 22 00.3 q 160
2016-07-20 02:36:17 C 03 54 28.58 +21 13 03.2 q 160
2016-07-20 02:38:46 C 03 54 28.60 +21 13 00.2 q 160
2016-07-20 02:41:15 C 03 54 28.60 +21 12 58.1 q 160
2016-07-21 02:36:01 C 03 54 40.19 +20 50 39.6 q 160
2016-07-21 02:38:17 C 03 54 40.20 +20 50 37.7 q 160
2016-07-21 02:40:33 C 03 54 40.20 +20 50 35.7 q 160
2016-08-09 02:20:24 C 04 02 55.69 +13 54 17.7 q 160
2016-08-09 02:22:21 C 04 02 55.70 +13 54 15.4 q 160
2016-08-09 02:24:19 C 04 02 55.75 +13 54 13.8 q 160
2016-08-13 02:38:43 C 04 04 41.34 +12 20 33.3 q 160
2016-08-13 02:40:40 C 04 04 41.33 +12 20 30.5 q 160