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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2246388445288248 1.2461e-07  
a 2.642880398777459 1.943e-08 AU
q 2.049186799768211 3.2121e-07 AU
i 4.762999130607823 9.3842e-06 deg
node 250.8383836358599 8.5821e-05 deg
peri 137.3958338575312 8.9225e-05 deg
M 188.5252696955864 1.7404e-05 deg
tp 2457748.001932067982
(2016-Dec-25.50193207)
7.7531e-05 JED
period 1569.331498972168
4.30
1.7306e-05
4.738e-08
d
yr
n .2293970395902852 2.5298e-09 deg/d
Q 3.236573997786707 2.3795e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      408  
   data-arc span      5311 days (14.54 yr)  
   first obs. used      1999-10-03  
   last obs. used      2014-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .58698  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 16:20:19  

Additional Information
 Earth MOID = 1.05713 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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