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5420 Jancis (1982 JR1)
Classification: Main-belt Asteroid          SPK-ID: 2005420
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .234321111307612 4.3792e-08  
a 2.680739394679624 1.34e-08 au
q 2.052585560592199 1.1832e-07 au
i 8.677479548465522 4.4256e-06 deg
node 85.12424799067283 3.1435e-05 deg
peri 259.3310241695806 3.3055e-05 deg
M 65.44723767709884 1.0448e-05 deg
tp 2458309.046589289248
(2018-Jul-09.54658929)
4.6843e-05 TDB
period 1603.172747695436
4.39
1.202e-05
3.291e-08
d
yr
n .2245547153402531 1.6837e-09 deg/d
Q 3.308893228767048 1.654e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1509  
   data-arc span      13681 days (37.46 yr)  
   first obs. used      1982-05-15  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50692  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 02:45:53  

Additional Information
 Earth MOID = 1.06539 au 
 Jupiter MOID = 2.16537 au 
 T_jup = 3.321 
[ 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 13.7   n/a MPO492815  
diameter diameter 12.35 km 0.7 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 6
geometric albedo albedo 0.0731   0.009 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 6

5420 Jancis           Discovered 1982 May 15 at Palomar.
Master of Wine and doyenne of British wine writers and broadcasters, Jancis Robinson (b. 1950) has a worldwide reputation. Editor of the Oxford Companion to Wine, weekly contributor to the Financial Times and creator of a renowned webpage, she has enormously influenced academic and public understanding of good wine.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20060809/MPCPages.arcLast Updated: 2007-08-08

Alternate Designations
 1982 JR1 = 1983 VG1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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