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

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1126075197701712 1.8901e-08  
a 2.565900203926537 8.8069e-09 au
q 2.276960545984593 4.7561e-08 au
i 12.88018918808701 6.1608e-07 deg
node 197.5729604610243 3.8628e-06 deg
peri 323.3745069838862 1.1926e-05 deg
M 206.9365163590433 1.0786e-05 deg
tp 2459838.803405367291
(2022-Sep-16.30340537)
4.6766e-05 TDB
period 1501.267451035184
4.11
7.7291e-06
2.116e-08
d
yr
n .2397973790424654 1.2346e-09 deg/d
Q 2.854839861868481 9.7986e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2414  
   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      .4452  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 18:10:22  

Additional Information
 Earth MOID = 1.29478 au 
 Jupiter MOID = 2.14831 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 ]
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