489900 (2008 KP)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7895637344 ± 7.32e-08
Semi-major axis (a)1.1006267072 AU ± 4.58e-09
Inclination (i)59.85321292° ± 1.38e-05
Long. of Asc. Node (Ω)62.44550438° ± 3.82e-06
Arg. of Perihelion (ω)345.01719148° ± 5.44e-06
Mean Anomaly (M)300.40921755° ± 2.63e-05
Mean Motion (n)0.8535956746°/day ± 5.33e-09
Perihelion dist (q)0.23161177 AU ± 8.06e-08
Aphelion dist (Q)1.96964164 AU ± 8.10e-08
Orbital Period1.15467582 yr ± 7.21e-09
Physical Parameters
H (abs. magnitude)18.87
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.264″
Uncertainty0
Orbit TypeApollo
MOID0.362992 AU
Observations Used164
Oppositions2
Arc Total2008-2025
First Observation Used2008-05-27
Last Observation Used2025-06-18
Observations (172)
Date Type RA Dec Mag Band Observatory
2009-05-15 07:45:54 C 16 00 10.12 +02 39 18.1 o 691
2009-05-15 08:11:17 C 16 00 06.55 +02 39 13.7 o 691
2010-04-17 11:07:58 C 17 09 50.25 +19 30 43.5 r G96
2010-04-17 11:14:49 C 17 09 49.46 +19 30 47.3 r G96
2010-04-17 11:21:42 C 17 09 48.70 +19 30 49.8 r G96
2010-04-17 11:28:45 C 17 09 48.02 +19 30 52.7 r G96
2012-05-28 05:23:24 C 11 45 12.89 +64 28 00.1 o 291
2012-05-28 05:28:14 C 11 45 13.68 +64 27 45.6 o 291
2012-05-28 05:33:06 C 11 45 14.44 +64 27 30.7 o 291
2012-05-29 06:05:26 C 11 48 54.34 +63 13 53.5 o 291
2012-05-29 06:10:18 C 11 48 55.03 +63 13 38.4 o 291
2012-05-29 06:15:09 C 11 48 55.71 +63 13 24.2 o 291
2014-05-16 10:07:02 C 22 36 45.88 -58 20 30.9 u 807
2014-05-16 10:13:25 C 22 36 50.18 -58 20 45.5 u 807
2014-05-16 10:20:18 C 22 36 54.84 -58 21 01.7 u 807
2014-05-17 10:06:11 C 22 53 53.96 -59 14 01.6 u 807
2014-05-17 10:12:22 C 22 53 58.53 -59 14 14.7 u 807
2014-05-17 10:19:08 C 22 54 03.54 -59 14 29.0 u 807
2015-06-11 03:04:25 C 14 10 28.61 -34 14 22.5 u 807
2015-06-11 03:07:57 C 14 10 27.56 -34 14 22.1 u 807
2015-06-11 03:11:38 C 14 10 26.45 -34 14 21.7 u 807
2015-06-11 03:14:56 C 14 10 25.47 -34 14 21.4 u 807
2015-06-11 03:18:39 C 14 10 24.34 -34 14 20.9 u 807
2016-05-15 12:06:46 C 16 10 55.070 -05 21 20.36 L F51
2016-05-15 12:24:22 C 16 10 52.444 -05 21 23.87 L F51
2016-05-15 12:42:02 C 16 10 49.803 -05 21 27.48 L F51
2017-04-18 08:51:26 C 17 07 08.87 +10 55 36.5 u H21
2017-04-18 09:11:51 C 17 07 07.02 +10 55 42.3 u H21
2017-04-18 09:34:47 C 17 07 05.00 +10 55 49.5 u H21
2017-05-04 09:49:13 C 16 24 28.85 +12 01 52.9 q I52
2017-05-04 09:51:48 C 16 24 28.58 +12 01 52.8 q I52
2017-05-04 09:54:25 C 16 24 28.23 +12 01 53.2 q I52
2017-05-04 09:57:00 C 16 24 27.85 +12 01 54.3 q I52
2017-05-24 08:09:27 C 15 18 13.76 +10 31 30.9 q G96
2017-05-24 08:15:35 C 15 18 12.91 +10 31 27.6 q G96
2017-05-24 08:21:43 C 15 18 12.12 +10 31 26.0 q G96
2017-05-24 08:27:52 C 15 18 11.21 +10 31 23.0 q G96
2017-05-31 11:17:16 C 14 56 18.996 +09 09 44.61 L F51
2017-05-31 11:33:04 C 14 56 17.067 +09 09 36.18 L F51
2017-05-31 11:48:54 C 14 56 15.143 +09 09 27.50 L F51
2018-05-06 08:28:04 C 16 03 34.61 +33 35 31.3 U G96
2018-05-06 08:35:34 C 16 03 33.25 +33 35 28.9 U G96
2018-05-06 08:43:04 C 16 03 31.82 +33 35 27.0 U G96
2018-05-06 08:50:34 C 16 03 30.50 +33 35 24.6 U G96
2019-05-24 04:42:09 C 13 42 23.30 +55 53 50.4 V G96
2019-05-24 04:49:46 C 13 42 22.32 +55 53 32.7 V G96
2019-05-24 05:04:56 C 13 42 20.34 +55 52 54.7 V G96
2023-05-21 11:10:38 C 16 05 56.995 -15 05 02.97 X F51
2023-05-21 11:27:52 C 16 05 53.863 -15 05 09.73 X F51
2023-05-21 11:45:10 C 16 05 50.755 -15 05 16.39 X F51