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70737 Stenflo (1999 VA11)
Classification: Main-belt Asteroid          SPK-ID: 2070737
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2221060437749206 4.0454e-08  
a 2.647049555417491 1.1352e-08 au
q 2.059123850987549 1.1057e-07 au
i 4.758473162727554 4.1158e-06 deg
node 250.8075082465113 4.8625e-05 deg
peri 137.103130163588 4.9626e-05 deg
M 287.2842965936878 1.0182e-05 deg
tp 2459318.236599559169
(2021-Apr-13.73659956)
4.5774e-05 TDB
period 1573.046405150658
4.31
1.0119e-05
2.77e-08
d
yr
n .2288552955724922 1.4722e-09 deg/d
Q 3.234975259847432 1.3873e-08 au
  Orbit Determination Parameters
   # obs. used (total)      799  
   data-arc span      7613 days (20.84 yr)  
   first obs. used      1999-10-03  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5438  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 06:29:13  

Additional Information
 Earth MOID = 1.06723 au 
 Jupiter MOID = 2.23125 au 
 T_jup = 3.352 
[ 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 15.3   n/a MPO436276  

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 | Mission Design | Physical Parameters | Discovery Circumstances ]
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