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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2353970156590296 7.6216e-08  
a 2.679082521289228 2.6991e-08 AU
q 2.048434491073475 1.9905e-07 AU
i 8.680808097072116 7.6483e-06 deg
node 85.45767987935568 4.7732e-05 deg
peri 258.1296397205393 5.1455e-05 deg
M 67.34941418428252 2.5593e-05 deg
tp 2456700.853723701724
(2014-Feb-12.35372370)
0.00011143 JED
period 1601.686677960055
4.39
2.4205e-05
6.627e-08
d
yr
n .2247630606870653 3.3966e-09 deg/d
Q 3.30973055150498 3.3344e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      809  
   data-arc span      11916 days (32.62 yr)  
   first obs. used      1982-05-15  
   last obs. used      2014-12-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53203  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 00:12:01  

Additional Information
 Earth MOID = 1.06215 AU 
 T_jup = 3.321 
[ 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 13.5 mag n/a MPO250260  
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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