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

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06467851497508148 8.29e-07  
a 1.523763851381582 2.1879e-07 AU
q 1.42520906830151 1.0612e-06 AU
i 20.36074468559054 2.4973e-05 deg
node 223.5610464859148 2.5619e-05 deg
peri 165.2336332081508 0.00046608 deg
M 251.7445584265909 0.00053849 deg
tp 2457207.096120345657
(2015-Jul-03.59612035)
0.0010639 JED
period 687.0287741979447
1.88
0.00014797
4.051e-07
d
yr
n .5239955203044784 1.1286e-07 deg/d
Q 1.622318634461653 2.3294e-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 = .435663 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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