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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1756151280888377 4.8157e-08  
a 2.408177564036205 1.0032e-08 au
q 1.985265152667322 1.2006e-07 au
i 5.840728131961518 5.0854e-06 deg
node 81.75970426582242 5.2674e-05 deg
peri 4.342085024574764 5.5162e-05 deg
M 338.3937762245391 1.7552e-05 deg
tp 2457482.423322018137
(2016-Apr-03.92332202)
6.6765e-05 JED
period 1364.99539359696
3.74
8.5294e-06
2.335e-08
d
yr
n .2637371537579683 1.648e-09 deg/d
Q 2.831089975405088 1.1794e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1210  
   data-arc span      28445 days (77.88 yr)  
   first obs. used      1938-01-26  
   last obs. used      2015-12-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51516  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 12:57:47  

Additional Information
 Earth MOID = 1.00105 au 
 Jupiter MOID = 2.39336 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 13.7 mag n/a MPO358687  

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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