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JPL Small-Body Database Browser
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442714 (2012 UJ163)
Classification: Main-belt Asteroid          SPK-ID: 2442714
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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1446787962305672 7.024e-08  
a 2.296520529929504 2.7036e-08 au
q 1.964262704140519 1.6182e-07 au
i 3.687783603916791 6.3383e-06 deg
node 283.7247994934566 9.3809e-05 deg
peri 15.91807653721728 9.7568e-05 deg
M 40.46382189985766 2.4626e-05 deg
tp 2458457.621025369031
(2018-Dec-05.12102537)
8.5942e-05 TDB
period 1271.170849714763
3.48
2.2447e-05
6.146e-08
d
yr
n .2832034734597478 5.001e-09 deg/d
Q 2.628778355718489 3.0947e-08 au
  Orbit Determination Parameters
   # obs. used (total)      138  
   data-arc span      5147 days (14.09 yr)  
   first obs. used      2005-10-31  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4349  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 22:53:35  

Additional Information
 Earth MOID = .948124 au 
 Jupiter MOID = 2.56289 au 
 T_jup = 3.578 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457374.5 (2015-Dec-18.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1452186012160609 7.004e-08  
q 1.963213822594928 1.6142e-07 au
tp 2457187.209263705730
(2015-Jun-13.70926371)
7.9722e-05 TDB
node 283.7828266593029 9.3867e-05 deg
peri 16.1202053254634 9.7608e-05 deg
i 3.686370391784572 6.3378e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      138  
   data-arc span      5147 days (14.09 yr)  
   first obs. used      2005-10-31  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4349  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 22:53:35  

Additional Information
 Jupiter MOID = 2.56289 au 
 T_jup = 3.578 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.905651065588684E-15 -1.118946860001741E-14 4.893717061893746E-15 9.024853526173683E-14 -3.107841088545918E-13 -1.855237544103387E-15
q -1.118946860001741E-14 2.605583886815652E-14 2.336877370843754E-13 -2.039553541876806E-13 8.094534424112648E-13 4.770756523059574E-15
tp 4.893717061893746E-15 2.336877370843754E-13 6.355518696447624E-9 -6.395511214026698E-12 2.131612455325855E-9 -4.586277579732001E-12
node 9.024853526173683E-14 -2.039553541876806E-13 -6.395511214026698E-12 8.81104746095713E-9 -8.798848593171177E-9 1.61632942365739E-10
peri -3.107841088545918E-13 8.094534424112648E-13 2.131612455325855E-9 -8.798848593171177E-9 9.527371067963961E-9 -1.627598339860669E-10
i -1.855237544103387E-15 4.770756523059574E-15 -4.586277579732001E-12 1.61632942365739E-10 -1.627598339860669E-10 4.016756460681996E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.3   n/a MPO503572  

442714 (2012 UJ163)          Discovered 2012-Oct-08 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

Alternate Designations
 2012 UJ163 = 2015 MY95 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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