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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2246914049128652 1.299e-07  
a 2.642825130603932 2.032e-08 AU
q 2.049005039069508 3.3487e-07 AU
i 4.762975764651123 9.9701e-06 deg
node 250.8395275129946 9.1441e-05 deg
peri 137.4200319186018 9.5177e-05 deg
M 142.6052279354376 1.8945e-05 deg
tp 2456178.867066323987
(2012-Sep-08.36706632)
8.2077e-05 JED
period 1569.282272208711
4.30
1.8098e-05
4.955e-08
d
yr
n .2294042355383983 2.6457e-09 deg/d
Q 3.236645222138356 2.4885e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      399  
   data-arc span      5286 days (14.47 yr)  
   first obs. used      1999-10-03  
   last obs. used      2014-03-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .59412  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 15:18:42  

Additional Information
 Earth MOID = 1.05585 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 15.2 mag n/a MPO259782  

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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