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JPL Small-Body Database Browser
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392630 (2011 UR44)
Classification: Main-belt Asteroid          SPK-ID: 2392630
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02763553190438063 1.5702e-07  
a 3.042683790610363 5.5792e-08 au
q 2.958597605640009 4.9498e-07 au
i 11.34727790332409 1.68e-05 deg
node 18.03940223969701 3.4658e-05 deg
peri 210.7263387629329 0.00022922 deg
M 309.1996207282672 0.00022777 deg
tp 2458874.057176224032
(2020-Jan-25.55717622)
0.0012261 TDB
period 1938.579688822319
5.31
5.332e-05
1.46e-07
d
yr
n .1857029670101923 5.1077e-09 deg/d
Q 3.126769975580717 5.7334e-08 au
  Orbit Determination Parameters
   # obs. used (total)      116  
   data-arc span      8623 days (23.61 yr)  
   first obs. used      1995-10-19  
   last obs. used      2019-05-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57333  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:09:03  

Additional Information
 Earth MOID = 1.95613 au 
 Jupiter MOID = 1.84446 au 
 T_jup = 3.209 
[ show covariance matrix ]

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 16.0   n/a E2014E16  

392630 (2011 UR44)          Discovered 1995-Oct-19 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Alternate Designations
 2011 UR44 = 1995 UO68 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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