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5822 Masakichi (1989 WL)
Classification: Main-belt Asteroid          SPK-ID: 2005822
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1757674407247017 5.6031e-08  
a 2.408652529707046 1.1745e-08 AU
q 1.98528983896536 1.3608e-07 AU
i 5.840799634832058 6.062e-06 deg
node 81.76792372323453 5.7006e-05 deg
peri 4.279418398731296 5.9526e-05 deg
M 232.9856033533098 1.9541e-05 deg
tp 2457482.237113362070
(2016-Apr-03.73711336)
7.6054e-05 JED
period 1365.399241258881
3.74
9.9869e-06
2.734e-08
d
yr
n .263659147538477 1.9285e-09 deg/d
Q 2.832015220448732 1.3809e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1017  
   data-arc span      28331 days (77.57 yr)  
   first obs. used      1938-01-26  
   last obs. used      2015-08-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54218  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 14:17:04  

Additional Information
 Earth MOID = 1.00127 AU 
 T_jup = 3.493 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.6 mag n/a MPO299004  

5822 Masakichi           Discovered 1989 Nov. 21 by T. Hioki and S. Hayakawa at Okutama.
Masakichi Hioki (b. 1926), father of the first discoverer, is a mechanical engineer and composer of traditional Japanese songs.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030614/MPCPages.arcLast Updated: 2005-04-26

[ show close-approach data ]
Alternate Designations
 1989 WL = 1938 BD = 1974 VF2 = 1979 BT 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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