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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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1757674560914088 6.131e-08  
a 2.408652532409596 1.2601e-08 AU
q 1.985289804179832 1.4722e-07 AU
i 5.84080027656743 6.4069e-06 deg
node 81.76792493344971 5.7125e-05 deg
peri 4.279418647145247 5.9709e-05 deg
M 232.9855998214421 2.0509e-05 deg
tp 2457482.237127568429
(2016-Apr-03.73712757)
8.0051e-05 JED
period 1365.399243556884
3.74
1.0714e-05
2.933e-08
d
yr
n .2636591470947318 2.069e-09 deg/d
Q 2.832015260639361 1.4815e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      998  
   data-arc span      28272 days (77.40 yr)  
   first obs. used      1938-01-26  
   last obs. used      2015-06-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54645  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 11:52:30  

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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