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(2011 UN63)
Classification: Mars-crossing Asteroid          SPK-ID: 3469622
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

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Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06467969011162683 8.2957e-07  
a 1.523748577949438 2.1923e-07 au
q 1.425192992119636 1.0616e-06 au
i 20.36304658973212 2.4974e-05 deg
node 223.5490241856303 2.5623e-05 deg
peri 165.3404357368533 0.00046509 deg
M 206.0376296366073 0.00059337 deg
tp 2457894.319411698880
(2017-May-20.81941170)
0.0011864 JED
period 687.0184445844754
1.88
0.00014827
4.059e-07
d
yr
n .5240033987991928 1.1309e-07 deg/d
Q 1.622304163779239 2.3341e-07 au
  Orbit Determination Parameters
   # obs. used (total)      77  
   data-arc span      1587 days (4.34 yr)  
   first obs. used      2009-09-27  
   last obs. used      2014-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      1  
   fit RMS      .70527  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-13 15:05:24  

Additional Information
 Earth MOID = .434426 au 
 Jupiter MOID = 3.5496 au 
 T_jup = 4.427 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 19.7 mag n/a MPO265012  

[ show close-approach data ]
Alternate Designations
 2011 UN63 = 2009 SA170 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]
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