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442134 (2010 UW42)
Classification: Main-belt Asteroid          SPK-ID: 2442134
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .157109367086263 1.0284e-07  
a 3.09094033117936 4.9703e-08 au
q 2.605324652046367 3.2985e-07 au
i 4.990352086113075 1.1206e-05 deg
node 187.3895869207919 6.6947e-05 deg
peri 142.7526685693119 7.535e-05 deg
M 324.6002830143519 3.0316e-05 deg
tp 2459195.678352609424
(2020-Dec-12.17835261)
0.00016847 TDB
period 1984.880471442177
5.43
4.7876e-05
1.311e-07
d
yr
n .1813711229364006 4.3747e-09 deg/d
Q 3.576556010312354 5.7511e-08 au
  Orbit Determination Parameters
   # obs. used (total)      117  
   data-arc span      7099 days (19.44 yr)  
   first obs. used      1999-11-01  
   last obs. used      2019-04-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6354  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 10:40:00  

Additional Information
 Earth MOID = 1.59688 au 
 Jupiter MOID = 1.81349 au 
 T_jup = 3.200 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457212.5 (2015-Jul-09.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1571524773807919 1.0394e-07  
q 2.602819262177611 3.3317e-07 au
tp 2457219.427726736771
(2015-Jul-15.92772674)
0.00015977 TDB
node 187.472762726812 6.689e-05 deg
peri 143.6508566926445 7.5123e-05 deg
i 4.993419887283128 1.1214e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      117  
   data-arc span      7099 days (19.44 yr)  
   first obs. used      1999-11-01  
   last obs. used      2019-04-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6354  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 10:40:00  

Additional Information
 Jupiter MOID = 1.81349 au 
 T_jup = 3.200 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.080331409841457E-14 -3.436965231839266E-14 1.111326296883977E-11 -5.107078913248653E-15 2.537585019106652E-12 7.796998988303994E-15
q -3.436965231839266E-14 1.110002568098228E-13 -3.435073920255114E-11 1.21101599057612E-14 -7.882934323251416E-12 -2.361657834287952E-14
tp 1.111326296883977E-11 -3.435073920255114E-11 2.552623886180349E-8 -3.462712742952591E-11 5.471695719057868E-9 1.778218262320506E-11
node -5.107078913248653E-15 1.21101599057612E-14 -3.462712742952591E-11 4.474326541528694E-9 -4.463801630772541E-9 4.182049662220887E-11
peri 2.537585019106652E-12 -7.882934323251416E-12 5.471695719057868E-9 -4.463801630772541E-9 5.643438432662793E-9 -3.789873651990247E-11
i 7.796998988303994E-15 -2.361657834287952E-14 1.778218262320506E-11 4.182049662220887E-11 -3.789873651990247E-11 1.257480296860544E-10

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 16.8   n/a MPO440830  

442134 (2010 UW42)          Discovered 1999-Nov-01 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

[ show close-approach data ]
Alternate Designations
 2010 UW42 = 1999 VN73 = 1999 VU230 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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