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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1522354252323958 1.6708e-07  
a 2.600575669668916 5.1863e-08 au
q 2.204675926747846 4.7258e-07 au
i 3.271634233819652 5.6815e-06 deg
node 266.614558316756 0.00014465 deg
peri 67.36554212665511 0.00015233 deg
M 319.3539356022464 3.2697e-05 deg
tp 2458773.449244664427
(2019-Oct-16.94924466)
0.00013676 TDB
period 1531.802131441653
4.19
4.5822e-05
1.255e-07
d
yr
n .2350172993043081 7.0303e-09 deg/d
Q 2.996475412589986 5.9758e-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 = 1.19613 au 
 Jupiter MOID = 2.36195 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 17.4   n/a MPO349189  

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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