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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2236079728976119 4.8591e-08  
a 2.644484438434945 1.201e-08 au
q 2.053156633797227 1.2965e-07 au
i 4.762823527925836 5.0101e-06 deg
node 250.8219687329927 6.0543e-05 deg
peri 137.2331677118679 6.1404e-05 deg
M 195.6349351231703 1.0222e-05 deg
tp 2459317.661497189085
(2021-Apr-13.16149719)
4.7471e-05 TDB
period 1570.760423947398
4.30
1.07e-05
2.93e-08
d
yr
n .2291883564874282 1.5613e-09 deg/d
Q 3.235812243072662 1.4695e-08 au
  Orbit Determination Parameters
   # obs. used (total)      681  
   data-arc span      7123 days (19.50 yr)  
   first obs. used      1999-10-03  
   last obs. used      2019-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55747  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 05:58:25  

Additional Information
 Earth MOID = 1.06062 au 
 Jupiter MOID = 2.2278 au 
 T_jup = 3.353 
[ 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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