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70737 Stenflo (1999 VA11)
Classification: Main-belt Asteroid          SPK-ID: 2070737
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2244678623825875 9.5317e-08  
a 2.643561046914287 1.7386e-08 au
q 2.050166549635561 2.4702e-07 au
i 4.762240932659807 9.3444e-06 deg
node 250.8378162537215 7.8338e-05 deg
peri 137.3346063824808 8.0265e-05 deg
M 280.3363222374392 1.5865e-05 deg
tp 2457747.908383273475
(2016-Dec-25.40838327)
7.0948e-05 JED
period 1569.937787095593
4.30
1.5488e-05
4.24e-08
d
yr
n .2293084496462787 2.2621e-09 deg/d
Q 3.236955544193012 2.1288e-08 au
  Orbit Determination Parameters
   # obs. used (total)      445  
   data-arc span      5737 days (15.71 yr)  
   first obs. used      1999-10-03  
   last obs. used      2015-06-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56914  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 13:48:44  

Additional Information
 Earth MOID = 1.05681 au 
 Jupiter MOID = 2.22778 au 
 T_jup = 3.353 
[ 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 15.3 mag n/a MPO293824  

70737 Stenflo           Discovered 1999 Nov. 8 by S. Sposetti at Gnosca.
After a lectureship at Lund University, Jan Olof Stenflo (b. 1942) served as director of the Institute of Astronomy, ETH Zurich, during 1980-2006. His scientific work included contributions to the study of polarized light and solar magnetic fields. He supported the establishment of the Istituto Ricerche Solari Locarno.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20070926/MPCPages.arcLast Updated: 2007-09-30
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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