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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1526370090352429 6.6511e-08  
a 2.569055071889845 2.8987e-08 au
q 2.176922189669758 1.878e-07 au
i 8.116840554551565 7.3737e-06 deg
node 212.7606421618084 5.8478e-05 deg
peri 197.7302376889399 7.9618e-05 deg
M 184.4034171712184 5.9169e-05 deg
tp 2459734.121596161123
(2022-Jun-03.62159616)
0.00025776 TDB
period 1504.0370966417
4.12
2.5456e-05
6.969e-08
d
yr
n .2393557983402329 4.051e-09 deg/d
Q 2.961187954109932 3.3412e-08 au
  Orbit Determination Parameters
   # obs. used (total)      202  
   data-arc span      6755 days (18.49 yr)  
   first obs. used      2001-10-23  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60088  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 02:38:41  

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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