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5420 Jancis (1982 JR1)
Classification: Main-belt Asteroid          SPK-ID: 2005420
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2340814385238403 7.4966e-08  
a 2.683487318482095 2.447e-08 au
q 2.055332746711323 1.9416e-07 au
i 8.667750872387716 6.6648e-06 deg
node 85.26306008264572 4.2325e-05 deg
peri 258.7740264738559 4.5953e-05 deg
M 201.4640580971597 2.5723e-05 deg
tp 2458307.587214130561
(2018-Jul-08.08721413)
0.00012098 JED
period 1605.638406229707
4.40
2.1962e-05
6.013e-08
d
yr
n .2242098834975783 3.0667e-09 deg/d
Q 3.311641890252866 3.0198e-08 au
  Orbit Determination Parameters
   # obs. used (total)      994  
   data-arc span      12377 days (33.89 yr)  
   first obs. used      1982-05-15  
   last obs. used      2016-04-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54713  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 12:52:02  

Additional Information
 Earth MOID = 1.06791 au 
 Jupiter MOID = 2.15346 au 
 T_jup = 3.319 
[ 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 13.6 mag n/a MPO332870  
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 | Physical Parameters | Discovery Circumstances ]
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