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JPL Small-Body Database Browser
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447263 (2005 UR331)
Classification: Main-belt Asteroid          SPK-ID: 2447263
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09799978365155433 8.8614e-08  
a 2.982510242029638 6.5522e-08 au
q 2.690224883572188 2.4722e-07 au
i 6.960255930905448 2.3506e-05 deg
node 54.20574652195747 8.0385e-05 deg
peri 85.55104618860078 0.00015515 deg
M 139.2527371257639 0.00013436 deg
tp 2457872.766140357513
(2017-Apr-29.26614036)
0.00069955 TDB
period 1881.357558054235
5.15
6.1996e-05
1.697e-07
d
yr
n .1913511859873805 6.3056e-09 deg/d
Q 3.274795600487087 7.1943e-08 au
  Orbit Determination Parameters
   # obs. used (total)      55  
   data-arc span      4581 days (12.54 yr)  
   first obs. used      2005-10-29  
   last obs. used      2018-05-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .72885  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 06:00:54  

Additional Information
 Earth MOID = 1.71526 au 
 Jupiter MOID = 1.78041 au 
 T_jup = 3.240 
[ 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 17.1   n/a MPO450458  

447263 (2005 UR331)          Discovered 2005-Oct-29 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-10-28

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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