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JPL Small-Body Database Browser
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423512 (2005 UM42)
Classification: Main-belt Asteroid          SPK-ID: 2423512
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1526370087886835 7.5148e-08  
a 2.569055058766907 3.2086e-08 au
q 2.176922179183291 2.1349e-07 au
i 8.116844423874376 7.8157e-06 deg
node 212.7606214269968 6.4521e-05 deg
peri 197.7302010531936 9.4195e-05 deg
M 184.4034702214871 7.3953e-05 deg
tp 2459734.121368902328
(2022-Jun-03.62136890)
0.00032095 TDB
period 1504.037085117587
4.12
2.8177e-05
7.714e-08
d
yr
n .2393558001742057 4.4842e-09 deg/d
Q 2.961187938350522 3.6984e-08 au
  Orbit Determination Parameters
   # obs. used (total)      199  
   data-arc span      6337 days (17.35 yr)  
   first obs. used      2001-10-23  
   last obs. used      2019-02-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61648  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 05:15:45  

Additional Information
 Earth MOID = 1.18853 au 
 Jupiter MOID = 2.42175 au 
 T_jup = 3.400 
[ 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 17.1   n/a MPO423497  

423512 (2005 UM42)          Discovered 2005-Oct-22 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-02-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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