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 ]  
5962 Shikokutenkyo (1990 HK)
Classification: Main-belt Asteroid          SPK-ID: 2005962
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1127455214636579 1.8926e-08  
a 2.565762269972988 8.7392e-09 au
q 2.276484064893105 4.7679e-08 au
i 12.88078406005774 6.1615e-07 deg
node 197.5726926920574 3.8626e-06 deg
peri 323.3532044716696 1.1914e-05 deg
M 253.9756627155264 1.0905e-05 deg
tp 2459838.605700104563
(2022-Sep-16.10570010)
4.6719e-05 TDB
period 1501.146398214272
4.11
7.6695e-06
2.1e-08
d
yr
n .2398167163630725 1.2252e-09 deg/d
Q 2.855040475052872 9.7245e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2415  
   data-arc span      24329 days (66.61 yr)  
   first obs. used      1954-07-05  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44668  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 14:57:23  

Additional Information
 Earth MOID = 1.29548 au 
 Jupiter MOID = 2.14736 au 
 T_jup = 3.388 
[ 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 12.87   n/a MPCxxxxx  

5962 Shikokutenkyo (1990 HK)          Discovered 1990-Apr-18 by Seki, T. at Geisei
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1990 HK = 1982 JZ4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jul-25 20:19 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin