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308921 (2006 SK319)
Classification: Main-belt Asteroid          SPK-ID: 2308921
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03170589109046876 5.8626e-08  
a 2.816001189823299 4.1209e-08 au
q 2.726717362788131 1.7798e-07 au
i 4.861494300602429 7.1315e-06 deg
node 152.029304352664 7.5595e-05 deg
peri 140.9099920287999 0.00014235 deg
M 43.06181243862746 0.00011769 deg
tp 2458794.039258841416
(2019-Nov-06.53925884)
0.00056476 TDB
period 1726.027368750928
4.73
3.7888e-05
1.037e-07
d
yr
n .2085714320164696 4.5783e-09 deg/d
Q 2.905285016858467 4.2516e-08 au
  Orbit Determination Parameters
   # obs. used (total)      122  
   data-arc span      5589 days (15.30 yr)  
   first obs. used      2004-03-17  
   last obs. used      2019-07-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56047  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 05:58:19  

Additional Information
 Earth MOID = 1.71288 au 
 Jupiter MOID = 2.14863 au 
 T_jup = 3.313 
[ 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 16.9   n/a MPO476381  
diameter diameter 2.690 km 0.529 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.042   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

308921 (2006 SK319)          Discovered 2006-Sep-27 by Spacewatch at Kitt Peak
Reference: 20111210/Numbers.arcLast Updated: 2011-12-12

Alternate Designations
 2006 SK319 = 2009 HL76 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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