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
2020-04-15 07:03:44 C 13 01 24.92 +05 22 37.3 V I52
2020-04-21 07:35:03 C 12 51 34.365 +05 21 06.82 U F51
2020-04-21 07:52:26 C 12 51 33.162 +05 21 06.06 U F51
2020-04-21 08:10:01 C 12 51 31.952 +05 21 05.35 U F51
2020-04-21 08:27:31 C 12 51 30.746 +05 21 04.64 U F51
2020-04-23 06:39:58 C 12 48 26.18 +05 18 36.8 V G96
2020-04-23 06:47:25 C 12 48 25.70 +05 18 36.4 V G96
2020-04-23 06:54:51 C 12 48 25.13 +05 18 35.8 V G96
2020-04-23 07:02:18 C 12 48 24.71 +05 18 35.5 V G96
2020-04-27 08:32:42 C 12 42 08.889 +05 10 12.59 U F52
2020-04-27 09:10:27 C 12 42 06.454 +05 10 08.39 U F52
2020-04-27 09:29:16 C 12 42 05.216 +05 10 06.33 U F52
2020-04-28 09:03:42 C 12 40 37.718 +05 07 23.57 U F51
2020-04-28 09:19:00 C 12 40 36.754 +05 07 21.85 U F51
2020-04-29 10:26:00 C 12 39 04.980 +05 04 10.60 U F51
2020-04-29 10:40:53 C 12 39 04.063 +05 04 09.04 U F51
2020-04-29 10:55:43 C 12 39 03.137 +05 04 07.04 U F51
2020-04-29 11:10:37 C 12 39 02.243 +05 04 04.94 U F51
2023-09-04 11:24:58 C 04 29 43.29 +07 22 32.0 V 691
2023-09-04 11:35:38 C 04 29 43.82 +07 22 42.5 V 691
2023-09-11 12:54:10 C 04 37 24.714 +10 02 15.37 X F52
2023-09-11 13:09:48 C 04 37 25.266 +10 02 30.04 X F52
2023-09-11 13:25:32 C 04 37 25.835 +10 02 44.98 X F52
2023-09-11 13:41:16 C 04 37 26.408 +10 03 00.15 X F52
2023-09-18 11:07:02 C 04 42 42.894 +12 39 43.81 V G96
2023-09-18 11:14:27 C 04 42 43.034 +12 39 50.94 V G96
2023-09-18 11:21:51 C 04 42 43.204 +12 39 58.28 V G96
2023-09-18 11:29:14 C 04 42 43.358 +12 40 05.12 V G96
2023-09-20 13:22:53 C 04 43 50.361 +13 27 48.84 X F52
2023-09-20 13:40:24 C 04 43 50.641 +13 28 05.82 X F52
2023-09-20 13:57:57 C 04 43 50.930 +13 28 22.74 X F52
2023-10-10 09:33:30 C 04 41 16.260 +21 14 29.87 V G96
2023-10-10 09:40:53 C 04 41 15.979 +21 14 37.39 V G96
2023-10-10 09:48:16 C 04 41 15.724 +21 14 44.56 V G96
2023-10-10 09:56:55 C 04 41 15.385 +21 14 52.80 V G96
2023-10-16 11:13:53 C 04 35 02.601 +23 37 25.89 X F51
2023-10-16 11:31:39 C 04 35 01.612 +23 37 43.36 X F51
2023-10-16 12:07:32 C 04 34 59.590 +23 38 18.32 X F51
2023-10-18 09:24:25 C 04 32 29.936 +24 21 46.80 V 703
2023-10-18 09:31:35 C 04 32 29.443 +24 21 54.29 V 703
2023-10-18 09:45:55 C 04 32 28.633 +24 22 06.60 V 703
2023-10-23 08:51:53 C 04 24 43.985 +26 12 58.07 V G96
2023-10-23 08:59:18 C 04 24 43.434 +26 13 04.73 V G96
2023-10-23 09:06:41 C 04 24 42.880 +26 13 11.50 V G96
2023-10-23 09:14:05 C 04 24 42.311 +26 13 18.05 V G96
2023-11-03 11:40:19 C 04 02 10.885 +29 49 06.85 V G96
2023-11-03 11:47:47 C 04 02 10.097 +29 49 12.22 V G96
2023-11-03 11:55:14 C 04 02 09.409 +29 49 17.04 V G96
2023-11-03 12:02:43 C 04 02 08.678 +29 49 22.04 V G96
2023-11-13 08:56:22 C 03 39 01.785 +32 05 06.45 X F52