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20673 Janelle (1999 VW)
Classification: Main-belt Asteroid          SPK-ID: 2020673
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 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1068098274545993 1.7373e-07  
a 2.97679930343404 4.8908e-08 AU
q 2.658847883467279 5.2308e-07 AU
i 10.33835109211287 1.358e-05 deg
node 52.37700219090625 5.2892e-05 deg
peri 301.4587588470045 7.9006e-05 deg
M 348.4770122455172 6.3445e-05 deg
tp 2456860.546176646442
(2014-Jul-22.04617665)
0.00033093 JED
period 1875.956483969144
5.14
4.6232e-05
1.266e-07
d
yr
n .1919021059797256 4.7294e-09 deg/d
Q 3.294750723400801 5.4132e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      531  
   data-arc span      10532 days (28.84 yr)  
   first obs. used      1983-07-16  
   last obs. used      2012-05-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55563  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 22:46:35  

Additional Information
 Earth MOID = 1.67177 AU 
 T_jup = 3.228 
[ 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 13.9 mag n/a MPO231559  

20673 Janelle           Discovered 1999 Nov. 3 by G. Bell at Farpoint Observatory.
Janelle Burgardt (b. 1954), secretary and past president of the North East Kansas Amateur Astronomer's League, has for several years been one of the driving forces behind the success and growth of the organization.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20010509/MPCPages.arcLast Updated: 2009-05-11

Alternate Designations
 1999 VW = 1987 KR4 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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