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
2023-11-13 09:12:12 C 03 39 00.160 +32 05 13.66 X F52
2023-11-13 09:28:12 C 03 38 58.543 +32 05 20.87 X F52
2023-11-16 11:46:30 C 03 31 47.689 +32 35 21.97 X F51
2023-11-16 12:03:33 C 03 31 46.012 +32 35 27.92 X F51
2023-11-16 12:38:44 C 03 31 42.533 +32 35 40.20 X F51
2023-11-19 07:32:17 C 03 25 30.252 +32 57 45.24 X F51
2023-11-19 07:47:05 C 03 25 28.850 +32 57 49.82 X F51
2023-11-19 08:06:57 C 03 25 26.976 +32 57 55.97 X F51
2023-11-19 08:23:12 C 03 25 25.438 +32 58 01.03 X F51
2023-11-22 06:54:40 C 03 19 11.248 +33 16 33.20 V G96
2023-11-22 07:02:05 C 03 19 10.556 +33 16 35.15 V G96
2023-11-22 07:09:30 C 03 19 09.944 +33 16 36.84 V G96
2023-11-22 07:16:55 C 03 19 09.286 +33 16 38.42 V G96
2023-12-03 04:47:53 C 03 00 06.476 +33 51 54.50 V G96
2023-12-03 04:55:59 C 03 00 05.969 +33 51 54.72 V G96
2023-12-03 05:04:05 C 03 00 05.465 +33 51 55.08 V G96
2023-12-03 05:12:11 C 03 00 04.968 +33 51 55.73 V G96
2023-12-13 04:51:48 C 02 49 13.152 +33 55 04.94 V G96
2023-12-13 05:00:01 C 02 49 12.893 +33 55 05.16 V G96
2023-12-13 05:08:13 C 02 49 12.616 +33 55 04.55 V G96
2023-12-13 05:16:22 C 02 49 12.328 +33 55 04.40 V G96