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442445 (2011 UR194)
Classification: Main-belt Asteroid          SPK-ID: 2442445
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1519669664034686 1.6732e-07  
a 2.599787463782992 5.1429e-08 au
q 2.204705649618123 4.7276e-07 au
i 3.271799225424173 5.6826e-06 deg
node 266.6157198387305 0.00014466 deg
peri 67.46390950997112 0.00015234 deg
M 53.30974590853716 3.1511e-05 deg
tp 2458773.769833726132
(2019-Oct-17.26983373)
0.00013684 TDB
period 1531.105775642448
4.19
4.5432e-05
1.244e-07
d
yr
n .2351241865369785 6.9768e-09 deg/d
Q 2.99486927794786 5.9244e-08 au
  Orbit Determination Parameters
   # obs. used (total)      145  
   data-arc span      4347 days (11.90 yr)  
   first obs. used      2007-11-04  
   last obs. used      2019-09-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5424  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 16:00:41  

Additional Information
 Earth MOID = 1.19709 au 
 Jupiter MOID = 2.36655 au 
 T_jup = 3.396 
[ 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 17.2   n/a MPO495192  

442445 (2011 UR194)          Discovered 2007-Nov-04 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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