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JPL Small-Body Database Browser
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442394 (2011 UR41)
Classification: Main-belt Asteroid          SPK-ID: 2442394
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1011446893534827 6.1532e-08  
a 2.748358576683073 5.8794e-08 au
q 2.470376702212484 1.7861e-07 au
i 10.71545271552103 8.5117e-06 deg
node 25.28355277944687 5.0555e-05 deg
peri 244.7290809112855 8.1029e-05 deg
M 340.1274897856014 6.1823e-05 deg
tp 2458692.366833311340
(2019-Jul-27.86683331)
0.00028652 TDB
period 1664.211497957631
4.56
5.3402e-05
1.462e-07
d
yr
n .2163186592820699 6.9414e-09 deg/d
Q 3.026340451153662 6.4741e-08 au
  Orbit Determination Parameters
   # obs. used (total)      79  
   data-arc span      4724 days (12.93 yr)  
   first obs. used      2005-04-12  
   last obs. used      2018-03-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60515  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:23:02  

Additional Information
 Earth MOID = 1.47736 au 
 Jupiter MOID = 2.08276 au 
 T_jup = 3.314 
[ 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 16.8   n/a MPO440831  

442394 (2011 UR41)          Discovered 2011-Sep-21 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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