663927 (2007 YO56)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3572374920 ± 3.46e-08
Semi-major axis (a)1.2805860088 AU ± 1.82e-09
Inclination (i)15.61653828° ± 7.19e-06
Long. of Asc. Node (Ω)287.63273243° ± 1.66e-05
Arg. of Perihelion (ω)333.44093465° ± 1.91e-05
Mean Anomaly (M)358.29021891° ± 1.29e-05
Mean Motion (n)0.6801413002°/day ± 1.45e-09
Perihelion dist (q)0.82311267 AU ± 4.43e-08
Aphelion dist (Q)1.73805934 AU ± 4.44e-08
Orbital Period1.44914929 yr ± 3.08e-09
Physical Parameters
H (abs. magnitude)20.15
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.333″
Uncertainty0
Orbit TypeApollo
MOID0.148796 AU
Observations Used130
Oppositions5
Arc Total2007-2024
First Observation Used2007-12-30
Last Observation Used2024-12-03
Observations (133)
Date Type RA Dec Mag Band Observatory
2007-12-30 08:11:37 C 08 25 42.33 +18 27 31.4 o 691
2007-12-30 08:37:01 C 08 25 40.31 +18 27 21.5 o 691
2007-12-30 09:02:26 C 08 25 38.26 +18 27 10.5 o 691
2007-12-30 10:29:59 C 08 25 31.27 +18 26 36.9 o 291
2007-12-30 10:35:54 C 08 25 30.83 +18 26 34.6 o 291
2007-12-30 10:41:33 C 08 25 30.40 +18 26 32.9 o 291
2007-12-30 10:51:37 C 08 25 29.64 +18 26 27.6 r G96
2007-12-30 11:03:38 C 08 25 28.70 +18 26 23.1 r G96
2007-12-30 11:15:41 C 08 25 27.76 +18 26 19.3 r G96
2007-12-30 11:27:41 C 08 25 26.79 +18 26 13.5 r G96
2007-12-30 12:21:39 C 08 25 22.47 +18 25 52.1 r G96
2007-12-30 12:34:41 C 08 25 21.39 +18 25 46.6 r G96
2007-12-30 12:47:44 C 08 25 20.38 +18 25 40.9 r G96
2007-12-30 13:00:48 C 08 25 19.38 +18 25 36.4 r G96
2007-12-31 05:24:45 C 08 24 03.97 +18 19 06.7 o 291
2007-12-31 05:38:40 C 08 24 02.87 +18 19 01.0 o 291
2007-12-31 05:44:14 C 08 24 02.39 +18 18 58.9 o 291
2008-01-01 08:48:39 C 08 21 50.98 +18 08 08.1 o 291
2008-01-01 08:54:32 C 08 21 50.47 +18 08 05.7 o 291
2008-01-01 09:00:30 C 08 21 49.94 +18 08 03.0 o 291
2008-01-03 08:34:09 C 08 17 46.87 +17 48 29.5 o H55
2008-01-03 08:47:34 C 08 17 45.63 +17 48 23.5 o H55
2008-01-10 07:09:26 C 08 01 39.28 +16 35 25.5 o 291
2008-01-10 07:43:10 C 08 01 35.62 +16 35 08.9 o 291
2008-01-10 07:49:27 C 08 01 34.91 +16 35 06.3 o 291
2008-01-11 08:44:51 C 07 58 56.33 +16 23 31.1 o 291
2008-01-11 08:56:42 C 07 58 54.98 +16 23 24.4 o 291
2008-01-16 03:22:39 C 07 46 16.91 +15 28 07.6 o 291
2008-01-16 03:28:39 C 07 46 16.26 +15 28 05.7 o 291
2008-01-16 03:35:11 C 07 46 15.48 +15 28 02.5 o 291
2008-01-18 04:34:29 C 07 40 39.24 +15 03 28.0 o 291
2008-01-18 04:39:59 C 07 40 38.57 +15 03 25.1 o 291
2008-01-18 04:45:28 C 07 40 37.91 +15 03 22.5 o 291
2008-01-28 04:35:00 C 07 13 12.50 +12 58 50.4 o H55
2008-01-28 04:47:51 C 07 13 11.07 +12 58 43.2 o H55
2008-02-01 03:51:27 C 07 03 01.87 +12 09 43.0 o 291
2008-02-01 03:57:04 C 07 03 01.32 +12 09 41.0 o 291
2008-02-01 04:02:29 C 07 03 00.69 +12 09 37.8 o 291
2008-02-24 02:00:24 C 06 24 08.85 +08 15 23.4 o H55
2008-02-24 02:09:57 C 06 24 08.56 +08 15 20.9 o H55
2008-02-24 02:20:05 C 06 24 08.16 +08 15 15.5 o H55
2008-08-13 05:41:12 C 13 26 23.692 +42 26 05.32 o 568
2008-08-13 05:42:43 C 13 26 24.371 +42 26 11.82 o 568
2008-08-16 01:48:40 C 13 59 41.69 +47 05 23.8 o H55
2008-08-16 01:53:36 C 13 59 44.17 +47 05 41.9 o H55
2008-08-16 01:59:24 C 13 59 47.17 +47 06 04.3 o H55
2008-08-17 01:58:43 C 14 12 24.62 +48 33 22.5 o H55
2008-08-17 02:05:46 C 14 12 28.15 +48 33 47.0 o H55
2008-08-17 02:14:11 C 14 12 32.53 +48 34 15.8 o H55
2008-08-17 02:27:55 C 14 12 39.78 +48 35 02.2 o H55