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442705 (2012 UD125)
Classification: Main-belt Asteroid          SPK-ID: 2442705
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1843537305927196 1.4086e-07  
a 2.539927103247948 1.9019e-08 au
q 2.071682066330629 3.6636e-07 au
i 4.76048675117591 8.6919e-06 deg
node 271.8402144850529 0.00012389 deg
peri 103.7485742117771 0.00012837 deg
M 338.457361432818 2.6153e-05 deg
tp 2459088.976248515383
(2020-Aug-27.47624852)
0.00010692 TDB
period 1478.530560042921
4.05
1.6607e-05
4.547e-08
d
yr
n .2434849909287971 2.7348e-09 deg/d
Q 3.008172140165267 2.2525e-08 au
  Orbit Determination Parameters
   # obs. used (total)      139  
   data-arc span      5816 days (15.92 yr)  
   first obs. used      2004-11-20  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53399  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 08:43:13  

Additional Information
 Earth MOID = 1.07928 au 
 Jupiter MOID = 2.48857 au 
 T_jup = 3.417 
[ 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 17.5   n/a MPO397583  

442705 (2012 UD125)          Discovered 2004-Nov-20 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

Alternate Designations
 2012 UD125 = 2004 XU113 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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