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312847 (2011 UA78)
Classification: Main-belt Asteroid          SPK-ID: 2312847
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1177088048822381 6.3014e-08  
a 3.109865071360507 3.8071e-08 au
q 2.743806570465646 1.8936e-07 au
i 13.3835083071971 6.9856e-06 deg
node 239.6948091679618 2.0216e-05 deg
peri 355.201939645369 3.2764e-05 deg
M 10.94993795768031 2.2091e-05 deg
tp 2458939.571581639146
(2020-Mar-31.07158164)
0.00012329 TDB
period 2003.137432803678
5.48
3.6783e-05
1.007e-07
d
yr
n .1797180733106906 3.3001e-09 deg/d
Q 3.475923572255369 4.2552e-08 au
  Orbit Determination Parameters
   # obs. used (total)      256  
   data-arc span      6374 days (17.45 yr)  
   first obs. used      2003-03-29  
   last obs. used      2020-09-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .495  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 18:45:48  

Additional Information
 Earth MOID = 1.73244 au 
 Jupiter MOID = 1.54442 au 
 T_jup = 3.167 
[ 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 MPO434005  

312847 (2011 UA78)          Discovered 2003-Mar-29 by LONEOS at Anderson Mesa
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

[ show close-approach data ]
Alternate Designations
 2011 UA78 = 2006 WF51 = 2009 JJ14 = 2010 LX11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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