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
2017-09-12 14:36:01 C 05 48 08.22 +02 21 15.2 L T08
2017-09-12 14:39:22 C 05 48 08.55 +02 21 13.5 L T08
2017-09-12 14:44:47 C 05 48 08.98 +02 21 09.5 L T08
2017-09-12 14:47:30 C 05 48 09.18 +02 21 08.1 L T08
2017-09-12 14:51:35 C 05 48 09.62 +02 21 05.2 L T08
2017-09-12 14:55:41 C 05 48 09.88 +02 21 02.5 L T08
2017-09-28 03:22:31 C 06 22 20.21 -02 44 54.6 q 160
2017-09-28 03:25:30 C 06 22 20.49 -02 44 57.6 q 160
2017-09-28 03:28:28 C 06 22 20.78 -02 45 00.8 q 160
2017-09-29 16:37:21 S 06 25 54.67 -03 22 03.8 L C51
2017-09-29 22:54:21 S 06 26 31.38 -03 28 29.6 L C51
2017-09-30 08:20:03 S 06 27 26.33 -03 38 12.2 L C51
2017-09-30 11:28:44 S 06 27 44.74 -03 41 27.3 L C51
2017-09-30 14:37:14 S 06 28 03.16 -03 44 43.9 L C51
2017-09-30 16:11:28 S 06 28 12.30 -03 46 22.8 L C51
2017-09-30 20:54:25 S 06 28 39.97 -03 51 19.4 L C51
2017-09-30 22:28:40 S 06 28 49.15 -03 52 56.1 L C51
2017-10-01 01:37:10 S 06 29 07.66 -03 56 14.7 L C51
2017-10-01 03:11:25 S 06 29 16.93 -03 57 53.3 L C51
2017-10-01 04:45:40 S 06 29 26.11 -03 59 34.6 L C51
2017-10-01 06:19:55 S 06 29 35.237 -04 01 14.66 L C51
2017-10-01 07:54:21 S 06 29 44.54 -04 02 52.6 L C51
2017-10-01 11:02:51 S 06 30 03.17 -04 06 15.0 L C51
2017-10-01 12:37:06 S 06 30 12.314 -04 07 53.26 L C51
2017-10-01 14:11:21 S 06 30 21.638 -04 09 33.01 L C51
2017-10-01 15:45:36 S 06 30 30.96 -04 11 14.3 L C51
2017-10-01 17:20:02 S 06 30 40.28 -04 12 56.3 L C51
2017-10-01 20:28:33 S 06 30 58.81 -04 16 18.5 L C51
2017-10-01 23:37:02 S 06 31 17.42 -04 19 40.8 L C51
2017-10-02 02:45:32 S 06 31 36.067 -04 23 02.65 L C51
2017-10-02 12:11:13 S 06 32 32.15 -04 33 17.9 L C51
2017-10-02 15:19:55 S 06 32 50.856 -04 36 44.17 L C51
2017-10-02 18:28:25 S 06 33 09.530 -04 40 10.16 L C51
2017-10-07 12:17:02 C 06 44 46.87 -06 52 30.2 L T08
2017-10-07 12:25:37 C 06 44 47.81 -06 52 40.1 L T08
2017-10-07 12:32:13 C 06 44 48.44 -06 52 48.7 L T08
2017-10-07 12:39:08 C 06 44 49.18 -06 52 56.5 L T08
2017-10-12 18:52:57 S 06 58 30.338 -09 38 31.45 L C51
2017-10-27 12:58:35 C 07 44 59.84 -19 34 52.6 T05
2017-10-27 13:04:31 C 07 45 00.76 -19 35 04.3 T05
2017-10-27 13:10:26 C 07 45 01.66 -19 35 15.7 T05
2017-10-27 13:15:42 C 07 45 02.45 -19 35 26.7 T05
2017-10-28 16:42:47 S 07 49 24.648 -20 30 47.84 L C51
2017-10-28 19:51:17 S 07 49 55.368 -20 37 16.28 L C51
2017-10-28 22:59:47 S 07 50 26.242 -20 43 44.08 L C51
2017-10-29 02:08:28 S 07 50 57.288 -20 50 13.74 L C51
2017-10-29 05:16:58 S 07 51 28.387 -20 56 44.09 L C51
2017-10-29 08:25:28 S 07 51 59.654 -21 03 15.59 L C51
2017-10-29 14:42:40 S 07 53 02.626 -21 16 22.87 L C51
2017-10-29 17:51:10 S 07 53 34.30 -21 22 57.7 L C51