866580 (2015 SY2)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4203586781 ± 4.70e-08
Semi-major axis (a)1.9243121468 AU ± 5.06e-09
Inclination (i)16.91329717° ± 1.03e-05
Long. of Asc. Node (Ω)37.93811340° ± 9.69e-06
Arg. of Perihelion (ω)283.80016354° ± 2.66e-05
Mean Anomaly (M)318.43429307° ± 2.11e-05
Mean Motion (n)0.3692317123°/day ± 1.45e-09
Perihelion dist (q)1.11541084 AU ± 9.05e-08
Aphelion dist (Q)2.73321346 AU ± 9.07e-08
Orbital Period2.66939770 yr ± 1.05e-08
Physical Parameters
H (abs. magnitude)19.43
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.221″
Uncertainty0
Orbit TypeAmor
MOID0.270719 AU
Observations Used171
Oppositions7
Arc Total2012-2023
First Observation Used2012-03-29
Last Observation Used2023-12-13
Observations (171)
Date Type RA Dec Mag Band Observatory
2015-10-20 08:04:42 C 04 44 27.67 +26 52 21.5 u H21
2015-11-04 08:40:49 C 04 17 47.52 +31 45 27.1 q H21
2015-11-04 08:47:51 C 04 17 46.82 +31 45 32.1 q H21
2015-11-04 08:54:53 C 04 17 46.16 +31 45 36.9 q H21
2015-11-06 07:59:13 C 04 13 26.25 +32 16 45.1 q G96
2015-11-06 08:00:40 C 04 13 26.10 +32 16 46.1 q G96
2015-11-06 08:06:37 C 04 13 25.52 +32 16 49.8 q G96
2015-11-06 08:08:03 C 04 13 25.38 +32 16 50.9 q G96
2015-11-06 08:14:01 C 04 13 24.80 +32 16 54.7 q G96
2015-11-06 08:15:27 C 04 13 24.65 +32 16 56.1 q G96
2015-11-06 08:21:24 C 04 13 24.06 +32 16 59.6 q G96
2015-11-06 08:22:50 C 04 13 23.96 +32 17 00.2 q G96
2015-11-08 07:48:26 C 04 08 53.99 +32 46 06.3 u H21
2015-11-08 07:52:37 C 04 08 53.60 +32 46 08.4 u H21
2015-11-08 07:56:48 C 04 08 53.18 +32 46 10.8 u H21
2015-11-08 08:00:59 C 04 08 52.76 +32 46 13.4 u H21
2015-11-08 08:05:10 C 04 08 52.35 +32 46 15.8 u H21
2015-11-08 08:08:40 C 04 08 52.00 +32 46 18.0 u H21
2015-11-13 06:18:15 C 03 57 21.68 +33 48 38.3 u H21
2015-11-13 06:21:11 C 03 57 21.39 +33 48 39.6 u H21
2015-11-13 06:24:07 C 03 57 21.09 +33 48 41.1 u H21
2015-11-13 06:27:04 C 03 57 20.80 +33 48 42.5 u H21
2015-11-13 06:30:00 C 03 57 20.50 +33 48 43.7 u H21
2015-11-13 06:32:56 C 03 57 20.20 +33 48 45.0 u H21
2015-11-13 06:35:52 C 03 57 19.90 +33 48 46.8 u H21
2015-11-13 06:38:47 C 03 57 19.58 +33 48 48.1 u H21
2015-11-13 06:41:43 C 03 57 19.30 +33 48 49.4 u H21
2015-11-16 07:24:47 C 03 50 12.03 +34 19 41.5 u H21
2015-11-16 07:27:43 C 03 50 11.72 +34 19 42.7 u H21
2015-11-20 04:37:06 C 03 41 17.24 +34 51 04.1 u H21
2015-11-20 04:45:28 C 03 41 16.46 +34 51 06.6 u H21
2015-11-20 04:53:50 C 03 41 15.63 +34 51 08.8 u H21
2015-11-20 05:01:22 C 03 41 14.90 +34 51 11.2 u H21
2015-11-22 06:06:59 C 03 36 43.10 +35 04 10.8 q 448
2015-11-22 06:49:28 C 03 36 39.10 +35 04 21.1 q 448
2015-11-22 07:33:58 C 03 36 34.91 +35 04 32.7 q 448
2015-11-30 07:49:41 C 03 20 36.10 +35 34 45.5 o 926
2015-11-30 08:07:27 C 03 20 34.73 +35 34 47.2 o 926
2015-11-30 08:28:29 C 03 20 33.11 +35 34 48.0 o 926
2015-12-04 19:59:25 C 03 13 10.21 +35 40 10.1 q Z62
2015-12-04 20:09:57 C 03 13 09.48 +35 40 10.5 q Z62
2015-12-06 08:18:31 C 03 10 56.836 +35 40 41.51 L F51
2015-12-06 08:36:48 C 03 10 55.676 +35 40 41.65 L F51
2015-12-06 08:55:10 C 03 10 54.514 +35 40 41.72 L F51
2015-12-06 09:13:38 C 03 10 53.372 +35 40 41.54 L F51
2016-01-06 01:42:15 C 02 56 24.76 +35 00 17.5 u H21
2016-01-06 02:08:00 C 02 56 25.07 +35 00 16.4 u H21
2016-01-06 02:35:30 C 02 56 25.39 +35 00 15.5 u H21
2020-04-15 06:51:41 C 13 01 25.79 +05 22 37.0 V I52
2020-04-15 06:57:42 C 13 01 25.37 +05 22 36.1 V I52