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
2000-09-25 03:28:35 C 01 22 18.59 -33 44 01.1 z 859
2000-09-25 08:42:06 C 01 20 27.95 -33 53 08.6 c 670
2000-09-25 08:46:38 C 01 20 26.36 -33 53 15.9 c 670
2000-09-28 13:51:07 C 00 55 25.81 -35 32 09.1 m 428
2000-09-28 13:54:46 C 00 55 25.03 -35 32 11.5 m 428
2000-09-28 13:56:14 C 00 55 24.26 -35 32 13.9 m 428
2000-09-29 12:38:07 C 00 48 48.56 -35 52 29.1 z 423
2000-09-29 13:14:06 C 00 48 38.00 -35 52 59.0 z 423
2000-09-29 13:50:05 C 00 48 27.47 -35 53 29.2 z 423
2000-09-29 14:14:03 C 00 48 20.45 -35 53 48.5 z 423
2000-09-29 14:30:03 C 00 48 15.81 -35 54 01.3 z 423
2000-10-09 14:03:35 C 23 57 27.46 -36 53 10.7 z 322
2000-10-09 14:10:58 C 23 57 26.30 -36 53 09.7 z 322
2000-10-09 14:54:48 C 23 57 19.36 -36 53 04.0 z 322
2000-10-19 11:36:36 C 23 31 40.09 -35 39 23.3 z 423
2000-10-19 12:32:35 C 23 31 35.62 -35 38 59.6 z 423
2000-10-19 12:40:34 C 23 31 35.03 -35 38 54.9 z 423
2000-10-22 01:02:00 C 23 27 38.54 -35 11 42.6 i 808
2000-10-22 01:23:59 C 23 27 37.13 -35 11 32.0 i 808
2000-10-25 11:44:18 C 23 23 29.36 -34 31 22.5 z 423
2000-10-25 11:52:17 C 23 23 29.06 -34 31 18.1 z 423
2000-10-25 13:18:09 C 23 23 25.74 -34 30 36.8 z 322
2000-10-25 13:29:15 C 23 23 25.24 -34 30 31.1 z 322
2000-10-25 13:50:39 C 23 23 24.25 -34 30 20.3 z 322
2000-10-30 03:43:38 C 23 19 50.91 -33 33 10.5 z 711
2000-10-30 03:52:32 C 23 19 50.67 -33 33 05.7 z 711
2000-10-30 04:01:05 C 23 19 50.41 -33 33 01.1 z 711
2000-11-17 02:25:46 C 23 20 06.35 -29 30 24.9 18.4 c 704
2000-11-17 02:48:02 C 23 20 06.64 -29 30 11.5 18.3 c 704
2000-11-17 03:09:55 C 23 20 06.90 -29 29 59.9 18.4 c 704
2000-11-17 03:32:23 C 23 20 07.33 -29 29 47.0 18.6 c 704
2000-11-23 11:55:05 C 23 23 46.51 -28 00 58.4 m 428
2000-11-23 12:03:41 C 23 23 46.75 -28 00 53.8 m 428
2000-12-25 04:51:31 C 23 56 50.76 -20 29 17.1 20.3 c 608
2000-12-25 05:05:48 C 23 56 51.50 -20 29 07.4 19.2 c 608
2000-12-25 05:20:09 C 23 56 52.27 -20 28 58.7 19.8 c 608
2001-08-09 19:54:23 C 04 10 36.75 +08 47 17.3 c 413
2001-08-09 19:56:21 C 04 10 36.88 +08 47 16.9 c 413
2001-08-09 19:58:19 C 04 10 37.03 +08 47 16.1 c 413
2001-08-24 10:07:33 C 04 33 41.09 +05 59 42.5 c 699
2001-08-24 10:34:47 C 04 33 42.75 +05 59 26.3 c 699
2001-08-24 11:02:05 C 04 33 44.45 +05 59 10.6 c 699
2001-08-24 11:29:19 C 04 33 46.01 +05 58 55.7 c 699
2001-10-11 10:22:14 C 05 16 18.14 -14 12 00.5 17.5 c 704
2001-10-11 10:45:08 C 05 16 18.01 -14 12 39.8 17.5 c 704
2001-10-11 11:07:24 C 05 16 17.88 -14 13 17.8 17.5 c 704
2001-10-11 11:29:43 C 05 16 17.79 -14 13 54.9 18.0 c 704
2001-10-11 11:52:47 C 05 16 17.63 -14 14 35.1 17.7 c 704
2001-10-13 01:56:59 C 05 16 07.53 -15 21 02.7 c 113
2001-10-13 01:59:11 C 05 16 07.56 -15 21 05.8 c 113