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160511 (1990 SD11)
Classification: Main-belt Asteroid          SPK-ID: 2160511
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2168387235211541 8.4626e-08  
a 2.609377125545954 3.4704e-08 au
q 2.043563120457271 2.3485e-07 au
i 14.75855350549793 9.2596e-06 deg
node 341.6435206904903 2.2198e-05 deg
peri 327.3951125840696 2.6999e-05 deg
M 80.21472613667294 1.4043e-05 deg
tp 2457257.451671476011
(2015-Aug-22.95167148)
5.9901e-05 JED
period 1539.585113813345
4.22
3.0714e-05
8.409e-08
d
yr
n .2338292289072142 4.6648e-09 deg/d
Q 3.175191130634638 4.2229e-08 au
  Orbit Determination Parameters
   # obs. used (total)      518  
   data-arc span      9197 days (25.18 yr)  
   first obs. used      1990-09-16  
   last obs. used      2015-11-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .6037  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Nov-30 21:11:47  

Additional Information
 Earth MOID = 1.04454 au 
 Jupiter MOID = 2.18785 au 
 T_jup = 3.331 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.6 mag n/a MPO264329  

160511 (1990 SD11)          Discovered 1990-Sep-16 by Holt, H. E. at Palomar
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30

Alternate Designations
 1990 SD11 = 2006 GC2 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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