2009 KO4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5578253000
Semi-major axis (a)2.4520245000 AU
Inclination (i)2.03722000°
Long. of Asc. Node (Ω)127.96321000°
Arg. of Perihelion (ω)125.37599000°
Mean Anomaly (M)103.29549000°
Mean Motion (n)0.2566946800°/day
Perihelion dist (q)1.08422320 AU
Aphelion dist (Q)3.81982580 AU
Orbital Period3.83961080 yr
Physical Parameters
H (abs. magnitude)24.40
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.570″
Uncertainty5
Orbit TypeAmor
MOID0.074787 AU
Observations Used42
Oppositions1
Arc Total
First Observation Used
Last Observation Used2009-07-13
Observations (46)
Date Type RA Dec Mag Band Observatory
2009-05-24 07:14:21 C 14 57 39.70 +05 46 52.8 r G96
2009-05-24 07:24:24 C 14 57 42.30 +05 46 47.6 r G96
2009-05-24 07:44:24 C 14 57 47.41 +05 46 38.2 r G96
2009-05-25 07:40:59 C 15 04 37.70 +05 34 25.7 r G96
2009-05-25 07:53:08 C 15 04 40.98 +05 34 19.1 r G96
2009-05-25 08:43:53 C 15 04 54.87 +05 33 50.2 r G96
2009-05-25 09:09:15 C 15 05 01.89 +05 33 35.6 o 291
2009-05-25 09:14:50 C 15 05 03.53 +05 33 33.3 o 291
2009-05-25 09:21:42 C 15 05 05.41 +05 33 29.7 o 291
2009-05-25 23:56:37 C 15 09 28.38 +05 24 42.6 o A44
2009-05-26 00:04:31 C 15 09 30.62 +05 24 37.3 o A44
2009-05-26 00:22:07 C 15 09 35.65 +05 24 26.0 o A44
2009-05-26 00:39:43 C 15 09 40.78 +05 24 15.0 o A44
2009-05-26 00:46:47 C 15 09 42.77 +05 24 10.8 o A44
2009-05-26 04:28:10 C 15 10 54.18 +05 22 09.9 r H36
2009-05-26 04:38:20 C 15 10 59.03 +05 22 07.1 o 673
2009-05-26 04:40:52 C 15 10 57.79 +05 22 00.5 r H36
2009-05-26 04:48:59 C 15 11 02.16 +05 22 01.4 o 673
2009-05-26 04:51:19 C 15 11 00.80 +05 21 53.0 r H36
2009-05-26 05:02:40 C 15 11 05.98 +05 21 53.0 o 673
2009-05-26 05:13:10 C 15 11 08.87 +05 21 46.2 o 673
2009-05-26 08:29:12 C 15 12 04.35 +05 19 45.0 o 693
2009-05-26 08:30:06 C 15 12 04.60 +05 19 44.6 o 693
2009-05-26 08:30:59 C 15 12 04.86 +05 19 44.1 o 693
2009-05-26 08:31:51 C 15 12 05.12 +05 19 43.3 o 693
2009-05-26 08:39:53 C 15 12 07.17 +05 19 35.7 o H01
2009-05-26 08:46:38 C 15 12 09.11 +05 19 31.3 o H01
2009-05-26 08:52:50 C 15 12 10.94 +05 19 27.5 o H01
2009-05-26 09:08:11 C 15 12 15.42 +05 19 17.3 o H01
2009-05-26 09:09:41 C 15 12 15.97 +05 19 19.1 o 291
2009-05-26 09:15:15 C 15 12 17.65 +05 19 14.7 o 291
2009-05-26 09:20:45 C 15 12 19.37 +05 19 11.8 o 291
2009-05-30 01:35:20 C 15 42 02.93 +04 08 17.0 r J95
2009-05-30 06:10:44 C 15 43 46.51 +04 04 16.8 o 691
2009-05-30 06:36:28 C 15 43 55.28 +04 03 52.4 o 691
2009-05-31 00:15:58 C 15 50 27.63 +03 45 25.3 r J95
2009-05-31 00:28:46 C 15 50 32.34 +03 45 12.8 r J95
2009-06-11 23:18:40 C 17 50 00.05 -03 07 56.1 r A13
2009-06-11 23:58:40 C 17 50 15.61 -03 08 58.3 r A13
2009-06-21 10:12:07 C 19 08 37.36 -08 30 34.1 o 291
2009-06-21 10:20:01 C 19 08 39.48 -08 30 42.9 o 291
2009-06-22 08:42:33 C 19 14 44.32 -08 56 57.1 o 291
2009-06-22 08:49:54 C 19 14 46.08 -08 57 05.4 o 291
2009-06-22 08:58:39 C 19 14 48.27 -08 57 14.8 o 291
2009-07-13 09:37:29 C 20 29 33.55 -15 21 12.9 o 291
2009-07-13 09:48:38 C 20 29 34.26 -15 21 18.0 o 291