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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2244641060674175 9.5315e-08  
a 2.643924501840422 1.7436e-08 au
q 2.05045835202507 2.47e-07 au
i 4.761923948480818 9.3442e-06 deg
node 250.8320151974301 7.8341e-05 deg
peri 137.3031142804672 8.0269e-05 deg
M 326.2252708626645 1.6098e-05 deg
tp 2457747.819886386187
(2016-Dec-25.31988639)
7.0979e-05 JED
period 1570.261566965489
4.30
1.5533e-05
4.253e-08
d
yr
n .2292611674217408 2.2678e-09 deg/d
Q 3.237390651655775 2.1349e-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 = 1.05721 au 
 Jupiter MOID = 2.22626 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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