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JPL Small-Body Database Browser
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413639 (2005 UR442)
Classification: Main-belt Asteroid          SPK-ID: 2413639
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09334714414402775 7.0484e-08  
a 2.739304998930932 3.0991e-08 au
q 2.483598700341271 2.0197e-07 au
i 4.25533783614699 7.2504e-06 deg
node 64.83333722253317 0.00011683 deg
peri 345.7121983986105 0.00012819 deg
M 66.10915891105986 5.3895e-05 deg
tp 2458696.398793661976
(2019-Jul-31.89879366)
0.00024545 TDB
period 1655.994964766879
4.53
2.8103e-05
7.694e-08
d
yr
n .2173919653497731 3.6892e-09 deg/d
Q 2.995011297520594 3.3884e-08 au
  Orbit Determination Parameters
   # obs. used (total)      118  
   data-arc span      5183 days (14.19 yr)  
   first obs. used      2005-10-26  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49473  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-30 10:36:05  

Additional Information
 Earth MOID = 1.49446 au 
 Jupiter MOID = 2.31705 au 
 T_jup = 3.340 
[ 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 16.9   n/a MPO455945  

413639 (2005 UR442)          Discovered 2005-Oct-30 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-11-10

Alternate Designations
 2005 UR442 = 2005 WT206 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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