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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1446787978356416 7.3358e-08  
a 2.296520528979477 2.9543e-08 au
q 1.964262699641855 1.7216e-07 au
i 3.687781943630838 6.8406e-06 deg
node 283.7247760659119 0.00010054 deg
peri 15.91810069733947 0.00010453 deg
M 40.46382149344065 2.5345e-05 deg
tp 2458457.621026892761
(2018-Dec-05.12102689)
8.8781e-05 TDB
period 1271.170848925975
3.48
2.4529e-05
6.716e-08
d
yr
n .2832034736354816 5.4648e-09 deg/d
Q 2.6287783583171 3.3817e-08 au
  Orbit Determination Parameters
   # obs. used (total)      130  
   data-arc span      5118 days (14.01 yr)  
   first obs. used      2005-10-31  
   last obs. used      2019-11-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44303  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-05 02:11:42  

Additional Information
 Earth MOID = .948124 au 
 Jupiter MOID = 2.56289 au 
 T_jup = 3.578 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457253.5 (2015-Aug-19.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1452243889675705 7.322e-08  
q 1.963285809892229 1.7197e-07 au
tp 2457187.260565281108
(2015-Jun-13.76056528)
8.5894e-05 TDB
node 283.7856533721709 0.0001006 deg
peri 16.13778933713317 0.00010456 deg
i 3.686446074773372 6.8407e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      130  
   data-arc span      5118 days (14.01 yr)  
   first obs. used      2005-10-31  
   last obs. used      2019-11-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44303  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-05 02:11:42  

Additional Information
 Jupiter MOID = 2.56289 au 
 T_jup = 3.578 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.361203960471104E-15 -1.245505149507363E-14 6.866765927251163E-13 9.939446415698452E-14 -8.941917883820303E-14 -2.727661948710496E-15
q -1.245505149507363E-14 2.95719868383644E-14 -1.660602747018739E-12 -2.273310367797236E-13 1.925061678306403E-13 7.336910655980392E-15
tp 6.866765927251163E-13 -1.660602747018739E-12 7.377816036783826E-9 1.347119134717604E-11 2.457202209586589E-9 -5.447234272697161E-12
node 9.939446415698452E-14 -2.273310367797236E-13 1.347119134717604E-11 1.011963426971656E-8 -1.009796912073647E-8 2.547288914861764E-10
peri -8.941917883820303E-14 1.925061678306403E-13 2.457202209586589E-9 -1.009796912073647E-8 1.093375888866581E-8 -2.559510621050709E-10
i -2.727661948710496E-15 7.336910655980392E-15 -5.447234272697161E-12 2.547288914861764E-10 -2.559510621050709E-10 4.679584831236353E-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 17.2   n/a MPO456096  

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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