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
2024-09-08 11:43:58 C 04 19 59.531 +00 16 17.51 V 703
2024-09-08 11:45:26 C 04 19 59.639 +00 16 15.49 V 703
2024-09-08 11:47:13 C 04 19 59.552 +00 16 13.94 V 703
2024-09-08 11:48:42 C 04 19 59.650 +00 16 12.22 V 703
2024-09-08 11:50:29 C 04 19 59.560 +00 16 09.91 V 703
2024-09-11 13:59:38 C 04 20 21.432 -01 13 14.84 V T05
2024-09-11 14:04:11 C 04 20 21.418 -01 13 20.53 V T05
2024-09-11 14:12:08 C 04 20 21.415 -01 13 30.43 V T05
2024-09-11 14:44:29 C 04 20 21.343 -01 14 10.93 V T05
2024-09-12 10:32:44 C 04 20 22.045 -01 39 06.77 V G96
2024-09-12 10:40:09 C 04 20 22.020 -01 39 16.13 V G96
2024-09-12 10:47:36 C 04 20 21.995 -01 39 25.56 V G96
2024-09-12 10:55:01 C 04 20 21.966 -01 39 34.88 V G96
2024-09-12 11:52:43 C 04 20 21.768 -01 40 47.64 V 703
2024-09-12 11:55:58 C 04 20 21.750 -01 40 51.56 V 703
2024-09-12 11:59:13 C 04 20 21.696 -01 40 56.28 V 703
2024-09-12 12:02:29 C 04 20 21.736 -01 40 59.81 V 703
2024-09-15 13:35:00 C 04 20 02.748 -03 17 16.15 V T05
2024-09-15 13:39:15 C 04 20 02.700 -03 17 21.91 V T05
2024-09-15 14:14:45 C 04 20 02.294 -03 18 09.79 V T05
2024-09-15 14:42:25 C 04 20 01.956 -03 18 47.27 V T05
2024-09-18 06:52:39 C 04 19 16.922 -04 47 38.36 V W68
2024-09-18 06:55:16 C 04 19 16.862 -04 47 41.64 V W68
2024-09-18 06:59:51 C 04 19 16.798 -04 47 48.34 V W68
2024-09-18 07:07:40 C 04 19 16.634 -04 48 00.32 V W68
2024-09-19 11:44:03 C 04 18 47.522 -05 29 23.75 V T05
2024-09-19 11:48:37 C 04 18 47.395 -05 29 30.01 V T05
2024-09-19 12:02:42 C 04 18 47.098 -05 29 50.57 V T05
2024-09-19 12:17:04 C 04 18 46.812 -05 30 11.74 V T05
2024-09-20 03:05:20 B 04 18 28.800 -05 51 59.80 V L65
2024-09-20 03:10:02 B 04 18 28.678 -05 52 06.92 V L65
2024-09-20 03:14:44 B 04 18 28.596 -05 52 13.94 V L65
2024-09-20 09:30:05 C 04 18 21.042 -06 01 24.78 V 703
2024-09-20 09:33:21 C 04 18 20.948 -06 01 29.24 V 703
2024-09-20 09:36:36 C 04 18 20.912 -06 01 34.57 V 703
2024-09-20 09:39:53 C 04 18 20.761 -06 01 39.76 V 703
2024-09-21 12:25:30 C 04 17 43.726 -06 41 41.24 V T08
2024-09-21 12:28:09 C 04 17 43.644 -06 41 45.10 V T08
2024-09-21 12:42:07 C 04 17 43.262 -06 42 06.08 V T08
2024-09-21 12:50:06 C 04 17 43.008 -06 42 18.36 V T08
2024-09-22 05:47:38 C 04 17 16.800 -07 07 55.63 V W68
2024-09-22 05:50:58 C 04 17 16.673 -07 08 00.78 V W68
2024-09-22 05:54:54 C 04 17 16.582 -07 08 06.58 V W68
2024-09-22 06:37:54 C 04 17 15.269 -07 09 13.10 V W68
2024-09-25 10:26:01 C 04 14 48.174 -09 08 54.28 V 703
2024-09-25 10:29:19 C 04 14 48.008 -09 09 00.36 V 703
2024-09-25 10:32:37 C 04 14 47.839 -09 09 05.69 V 703
2024-09-25 10:35:56 C 04 14 47.724 -09 09 10.66 V 703
2024-09-27 11:15:19 C 04 12 47.408 -10 29 10.00 V 703
2024-09-27 11:18:35 C 04 12 47.257 -10 29 15.29 V 703