Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2346132539616769 4.2048e-08  
a 2.680419131370275 1.253e-08 au
q 2.051557276978363 1.1255e-07 au
i 8.677144534521117 4.0563e-06 deg
node 85.122294283198 2.8716e-05 deg
peri 259.3251318333789 2.9968e-05 deg
M 155.2562656425775 9.5995e-06 deg
tp 2458309.227746192462
(2018-Jul-09.72774619)
4.2569e-05 TDB
period 1602.885463853815
4.39
1.124e-05
3.077e-08
d
yr
n .2245949620969502 1.5749e-09 deg/d
Q 3.309280985762187 1.547e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1770  
   data-arc span      13916 days (38.10 yr)  
   first obs. used      1982-05-15  
   last obs. used      2020-06-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49061  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:43:38  

Additional Information
 Earth MOID = 1.06524 au 
 Jupiter MOID = 2.16844 au 
 T_jup = 3.321 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456960.5 (2014-Oct-30.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2354073533104291 4.2242e-08  
q 2.048338257406372 1.1307e-07 au
tp 2456700.834602309217
(2014-Feb-12.33460231)
4.3397e-05 TDB
node 85.45751060282836 2.8706e-05 deg
peri 258.1204051861827 2.9935e-05 deg
i 8.6809333077424 4.0563e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1770  
   data-arc span      13916 days (38.10 yr)  
   first obs. used      1982-05-15  
   last obs. used      2020-06-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49061  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:43:38  

Additional Information
 Jupiter MOID = 2.16844 au 
 T_jup = 3.321 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.784374902640606E-15 -4.759842519944441E-15 5.824406550097398E-13 -4.521370586759535E-15 7.744614035363346E-14 -2.154833774898169E-15
q -4.759842519944441E-15 1.278429239773773E-14 -1.655902104369794E-12 1.178002490013109E-14 -2.242950662684793E-13 6.135118950060176E-15
tp 5.824406550097398E-13 -1.655902104369794E-12 1.883287677861231E-9 5.704095761959304E-13 3.917155229048917E-10 -1.905309620555692E-12
node -4.521370586759535E-15 1.178002490013109E-14 5.704095761959304E-13 8.240062650974453E-10 -8.137363578680682E-10 -8.697792026571254E-12
peri 7.744614035363346E-14 -2.242950662684793E-13 3.917155229048917E-10 -8.137363578680682E-10 8.961105239261684E-10 8.200865356916316E-12
i -2.154833774898169E-15 6.135118950060176E-15 -1.905309620555692E-12 -8.697792026571254E-12 8.200865356916316E-12 1.64536026544057E-11

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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Nov-30 06:05 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin