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129642 (1998 KU5)
Classification: Main-belt Asteroid          SPK-ID: 2129642
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1279514279531235 4.6401e-08  
a 2.640826519296522 1.8989e-08 au
q 2.302928995176055 1.305e-07 au
i 14.73824213834574 4.4913e-06 deg
node 146.4342417192473 1.5712e-05 deg
peri 242.5832825065224 2.3723e-05 deg
M 275.3565000890031 1.9999e-05 deg
tp 2459369.052488178877
(2021-Jun-03.55248818)
8.8236e-05 TDB
period 1567.502476668715
4.29
1.6907e-05
4.629e-08
d
yr
n .2296647088973529 2.4772e-09 deg/d
Q 2.978724043416989 2.1419e-08 au
  Orbit Determination Parameters
   # obs. used (total)      511  
   data-arc span      8108 days (22.20 yr)  
   first obs. used      1998-05-19  
   last obs. used      2020-07-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55583  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 10:41:13  

Additional Information
 Earth MOID = 1.34364 au 
 Jupiter MOID = 2.55869 au 
 T_jup = 3.337 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.6   n/a MPO296942  

129642 (1998 KU5)          Discovered 1998-May-19 by Spacewatch at Kitt Peak
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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