2009 SY

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4408485586 ± 2.55e-07
Semi-major axis (a)1.2509315967 AU ± 4.37e-09
Inclination (i)14.67680100° ± 5.45e-05
Long. of Asc. Node (Ω)176.19294313° ± 2.35e-05
Arg. of Perihelion (ω)57.65433988° ± 9.81e-05
Mean Anomaly (M)269.83084969° ± 6.98e-05
Mean Motion (n)0.7044690744°/day ± 3.69e-09
Perihelion dist (q)0.69946021 AU ± 3.19e-07
Aphelion dist (Q)1.80240299 AU ± 3.19e-07
Orbital Period1.39910511 yr ± 7.34e-09
Physical Parameters
H (abs. magnitude)22.99
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.420″
Uncertainty0
Orbit TypeApollo
MOID0.106954 AU
Observations Used42
Oppositions6
Arc Total2002-2023
First Observation Used2002-09-13
Last Observation Used2023-09-23
Observations (42)
Date Type RA Dec Mag Band Observatory
2002-09-13 10:56:09 C 23 44 59.10 +04 07 35.1 o 644
2002-09-13 11:11:17 C 23 44 57.56 +04 06 52.1 o 644
2002-09-13 11:28:00 C 23 44 55.88 +04 06 05.3 o 644
2002-09-14 08:34:12 C 23 42 56.91 +03 06 53.7 o 644
2002-09-14 09:04:43 C 23 42 53.80 +03 05 29.4 o 644
2002-09-14 09:34:56 C 23 42 50.74 +03 04 06.5 o 644
2009-09-17 08:48:19 C 23 30 42.73 -00 25 45.8 r G96
2009-09-17 08:59:23 C 23 30 41.83 -00 26 13.0 r G96
2009-09-17 09:10:23 C 23 30 40.86 -00 26 39.5 r G96
2009-09-17 09:21:42 C 23 30 39.96 -00 27 06.8 r G96
2009-09-17 09:38:19 C 23 30 38.62 -00 27 46.8 r G96
2009-09-17 09:41:17 C 23 30 38.34 -00 27 54.3 r G96
2009-09-17 09:44:17 C 23 30 38.12 -00 28 02.0 r G96
2009-09-17 09:47:19 C 23 30 37.87 -00 28 09.1 r G96
2009-09-17 10:53:15 C 23 30 32.50 -00 30 48.0 r G96
2009-09-17 10:54:08 C 23 30 32.40 -00 30 50.2 r G96
2009-09-17 10:55:03 C 23 30 32.40 -00 30 52.9 r G96
2009-09-17 10:55:56 C 23 30 32.25 -00 30 54.4 r G96
2009-09-17 12:07:42 C 23 30 27.29 -00 33 42.8 v F65
2009-09-17 12:10:37 C 23 30 27.08 -00 33 49.8 v F65
2009-09-18 03:42:43 C 23 29 18.83 -01 10 51.5 r H55
2009-09-18 03:59:38 C 23 29 17.52 -01 11 30.9 r H55
2009-09-18 04:10:05 C 23 29 17.20 -01 11 54.0 o 291
2009-09-18 04:15:56 C 23 29 16.81 -01 12 06.0 o 291
2009-09-18 04:21:17 C 23 29 16.40 -01 12 18.3 o 291
2019-01-11 14:51:12 C 11 25 16.144 -31 01 50.11 V T12
2019-01-12 14:29:18 C 11 30 12.361 -31 42 35.91 V T12
2023-09-07 09:41:12 C 00 00 58.517 +12 15 47.29 X F52
2023-09-07 09:56:55 C 00 00 56.456 +12 14 52.34 X F52
2023-09-07 10:12:47 C 00 00 54.354 +12 13 55.87 X F52
2023-09-13 09:25:40 C 23 45 06.753 +04 29 39.24 X F51
2023-09-13 10:02:53 C 23 45 02.798 +04 27 51.03 X F51
2023-09-13 10:21:28 C 23 45 00.787 +04 26 56.87 X F51
2023-09-18 08:49:26 C 23 34 33.034 -00 45 52.62 X F51
2023-09-18 09:04:51 C 23 34 31.705 -00 46 28.84 X F51
2023-09-18 09:20:17 C 23 34 30.376 -00 47 05.79 X F51
2023-09-18 09:35:42 C 23 34 29.029 -00 47 42.14 X F51
2023-09-20 05:51:32 C 23 31 09.152 -02 28 10.78 V G96
2023-09-20 05:59:40 C 23 31 08.530 -02 28 28.13 V G96
2023-09-20 06:07:48 C 23 31 07.846 -02 28 45.59 V G96
2023-09-23 05:42:45 C 23 26 22.30 -04 53 20.7 V 691
2023-09-23 06:00:25 C 23 26 21.12 -04 53 53.7 V 691