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447226 (2005 UR78)
Classification: Main-belt Asteroid          SPK-ID: 2447226
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1772880136831776 6.1333e-08  
a 2.304760859707984 1.2069e-08 au
q 1.896154384875623 1.4095e-07 au
i 6.280660928506299 6.2139e-06 deg
node 21.06185518205119 5.1172e-05 deg
peri 358.2322293397638 5.385e-05 deg
M 78.22185326357096 1.5963e-05 deg
tp 2458722.808342777640
(2019-Aug-27.30834278)
5.6361e-05 TDB
period 1278.018768785762
3.50
1.0039e-05
2.749e-08
d
yr
n .2816860039872762 2.2126e-09 deg/d
Q 2.713367334540345 1.4209e-08 au
  Orbit Determination Parameters
   # obs. used (total)      252  
   data-arc span      5208 days (14.26 yr)  
   first obs. used      2005-10-25  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5011  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 11:08:34  

Additional Information
 Earth MOID = .898469 au 
 Jupiter MOID = 2.74805 au 
 T_jup = 3.560 
[ 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 17.5   n/a MPO503581  

447226 (2005 UR78)          Discovered 2005-Oct-25 by LONEOS at Anderson Mesa
Reference: Last Updated: 2015-10-28

Alternate Designations
 2005 UR78 = 2012 TN56 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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