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441607 (2008 UR239)
Classification: Outer Main-belt Asteroid          SPK-ID: 2441607
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2306183976989138 6.6506e-08  
a 3.955133251800478 1.0848e-07 au
q 3.043006758584557 2.6448e-07 au
i 7.732522012611706 9.8262e-06 deg
node 295.6880884036347 8.1025e-05 deg
peri 117.123141692871 8.652e-05 deg
M 167.9021340343825 3.1675e-05 deg
tp 2457660.533867060423
(2016-Sep-29.03386706)
0.00022119 TDB
period 2873.029640942299
7.87
0.0001182
3.236e-07
d
yr
n .1253032669311156 5.1551e-09 deg/d
Q 4.867259745016399 1.335e-07 au
  Orbit Determination Parameters
   # obs. used (total)      123  
   data-arc span      4226 days (11.57 yr)  
   first obs. used      2007-09-11  
   last obs. used      2019-04-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63846  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:30:44  

Additional Information
 Earth MOID = 2.0649 au 
 Jupiter MOID = .721801 au 
 T_jup = 2.997 
[ 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 15.4   n/a MPO472458  

441607 (2008 UR239)          Discovered 2008-Oct-26 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

[ show close-approach data ]
Alternate Designations
 2008 UR239 = 2007 RU100 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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