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
2012-03-29 10:56:32 C 13 34 32.100 +03 38 14.77 V F51
2012-03-29 11:17:14 C 13 34 30.888 +03 38 17.28 V F51
2012-03-29 11:37:57 C 13 34 29.678 +03 38 19.72 V F51
2012-03-29 11:58:50 C 13 34 28.456 +03 38 22.21 V F51
2012-04-15 08:25:11 C 13 08 20.552 +04 09 40.32 V F51
2012-04-15 08:41:39 C 13 08 19.394 +04 09 40.99 V F51
2012-04-15 12:00:47 C 13 08 05.132 +04 09 44.53 V F51
2012-04-15 12:16:26 C 13 08 03.964 +04 09 45.03 V F51
2012-04-23 09:39:40 C 12 54 59.564 +04 05 50.97 V F51
2012-04-23 09:56:04 C 12 54 58.413 +04 05 49.82 V F51
2012-04-23 10:12:38 C 12 54 57.228 +04 05 48.97 V F51
2012-04-23 10:29:20 C 12 54 56.088 +04 05 47.64 V F51
2012-04-28 07:48:47 C 12 47 12.839 +03 55 32.58 V F51
2012-04-28 08:06:07 C 12 47 11.688 +03 55 30.40 V F51
2015-09-19 12:31:20 C 04 51 39.117 +15 27 33.42 L F51
2015-09-19 12:48:04 C 04 51 39.552 +15 27 48.59 L F51
2015-09-19 13:21:31 C 04 51 40.429 +15 28 18.92 L F51
2015-09-20 10:24:59 C 04 52 15.75 +15 47 17.6 o 291
2015-09-20 10:29:08 C 04 52 15.87 +15 47 20.9 o 291
2015-09-20 10:33:17 C 04 52 15.95 +15 47 25.1 o 291
2015-09-21 08:39:33 C 04 52 50.62 +16 07 22.8 u H21
2015-09-21 08:52:33 C 04 52 50.90 +16 07 34.5 u H21
2015-09-21 09:06:35 C 04 52 51.22 +16 07 47.4 u H21
2015-09-23 02:42:39 C 04 53 48.89 +16 45 47.8 q K92
2015-09-23 02:50:37 C 04 53 49.03 +16 45 55.1 q K92
2015-09-23 02:55:49 C 04 53 49.13 +16 46 00.0 q K92
2015-10-01 08:55:24 C 04 56 07.18 +19 47 50.5 o 291
2015-10-01 09:01:12 C 04 56 07.13 +19 47 55.8 o 291
2015-10-01 09:07:04 C 04 56 07.13 +19 48 01.8 o 291
2015-10-05 09:38:02 C 04 55 43.75 +21 18 07.8 u H21
2015-10-05 09:46:33 C 04 55 43.64 +21 18 15.9 u H21
2015-10-05 09:55:14 C 04 55 43.55 +21 18 23.9 u H21
2015-10-08 09:05:29 C 04 54 45.22 +22 25 14.9 u H21
2015-10-08 09:12:34 C 04 54 45.05 +22 25 21.5 u H21
2015-10-08 09:19:49 C 04 54 44.89 +22 25 27.7 u H21
2015-10-08 11:33:58 C 04 54 42.36 +22 27 35.0 q G96
2015-10-08 11:40:37 C 04 54 42.20 +22 27 41.1 q G96
2015-10-08 11:47:13 C 04 54 42.02 +22 27 47.7 q G96
2015-10-08 11:53:50 C 04 54 41.90 +22 27 53.7 q G96
2015-10-12 07:44:17 C 04 52 30.40 +23 54 13.2 u H21
2015-10-12 07:52:27 C 04 52 30.11 +23 54 20.8 u H21
2015-10-12 08:00:48 C 04 52 29.85 +23 54 28.8 u H21
2015-10-12 08:08:58 C 04 52 29.60 +23 54 36.7 u H21
2015-10-12 08:17:30 C 04 52 29.32 +23 54 44.7 u H21
2015-10-15 10:23:50 C 04 49 56.27 +25 04 07.5 q 703
2015-10-15 10:45:27 C 04 49 55.24 +25 04 27.2 q 703
2015-10-20 07:53:12 C 04 44 28.36 +26 52 10.8 u H21
2015-10-20 07:56:16 C 04 44 28.20 +26 52 13.2 u H21
2015-10-20 07:59:00 C 04 44 28.00 +26 52 16.4 u H21
2015-10-20 08:01:30 C 04 44 27.83 +26 52 18.9 u H21