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442138 (2010 UR82)
Classification: Main-belt Asteroid          SPK-ID: 2442138
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2132268992147443 8.9966e-08  
a 3.07091697725335 4.8004e-08 au
q 2.416114872447702 2.8974e-07 au
i 4.646552272026899 9.7262e-06 deg
node 3.112876518831777 8.2585e-05 deg
peri 13.75811249575151 8.5502e-05 deg
M 299.9044526883628 2.2578e-05 deg
tp 2459328.625765528764
(2021-Apr-24.12576553)
0.00012868 TDB
period 1965.624424348668
5.38
4.6089e-05
1.262e-07
d
yr
n .1831479073726356 4.2944e-09 deg/d
Q 3.725719082058997 5.8239e-08 au
  Orbit Determination Parameters
   # obs. used (total)      149  
   data-arc span      7201 days (19.72 yr)  
   first obs. used      1999-09-14  
   last obs. used      2019-06-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57784  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:42:47  

Additional Information
 Earth MOID = 1.41798 au 
 Jupiter MOID = 1.74667 au 
 T_jup = 3.191 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457279.5 (2015-Sep-14.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2177203987598389 8.8936e-08  
q 2.396552873051881 2.862e-07 au
tp 2457369.491764070672
(2015-Dec-12.99176407)
9.8376e-05 TDB
node 3.416561050404312 8.232e-05 deg
peri 13.87959952115702 8.5086e-05 deg
i 4.660617324628759 9.749e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      149  
   data-arc span      7201 days (19.72 yr)  
   first obs. used      1999-09-14  
   last obs. used      2019-06-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57784  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:42:47  

Additional Information
 Jupiter MOID = 1.74667 au 
 T_jup = 3.191 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.909573051974526E-15 -2.526886219394859E-14 -3.898974367206097E-12 5.050892653841836E-14 -8.813517494573021E-13 -1.241523018474117E-15
q -2.526886219394859E-14 8.191139759481753E-14 1.354805403766813E-11 -1.689515108163343E-13 3.019525168148363E-12 4.437777650822087E-15
tp -3.898974367206097E-12 1.354805403766813E-11 9.677849790746493E-9 -5.873638984005136E-11 2.152008961463247E-9 -1.488055733334339E-12
node 5.050892653841836E-14 -1.689515108163343E-13 -5.873638984005136E-11 6.77665169874717E-9 -6.765077093047398E-9 -2.284602436530229E-11
peri -8.813517494573021E-13 3.019525168148363E-12 2.152008961463247E-9 -6.765077093047398E-9 7.239690659490323E-9 2.237687019999807E-11
i -1.241523018474117E-15 4.437777650822087E-15 -1.488055733334339E-12 -2.284602436530229E-11 2.237687019999807E-11 9.504225995710915E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.5   n/a MPO440830  

442138 (2010 UR82)          Discovered 1999-Sep-14 by CSS at Catalina
Reference: Last Updated: 2015-09-02

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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