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69421 Keizosaji (1995 YT2)
Classification: Main-belt Asteroid          SPK-ID: 2069421
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2837212557675375 3.9737e-08  
a 2.580464795631127 1.2346e-08 au
q 1.848332083350742 1.0033e-07 au
i 5.290666095467974 4.9984e-06 deg
node 78.65699317299509 6.027e-05 deg
peri 343.5295746818173 6.1972e-05 deg
M 338.7593672479054 1.8396e-05 deg
tp 2459089.832663724075
(2020-Aug-28.33266372)
7.7885e-05 TDB
period 1514.067839504241
4.15
1.0865e-05
2.975e-08
d
yr
n .2377700593111314 1.7063e-09 deg/d
Q 3.312597507911513 1.5848e-08 au
  Orbit Determination Parameters
   # obs. used (total)      437  
   data-arc span      8645 days (23.67 yr)  
   first obs. used      1995-12-22  
   last obs. used      2019-08-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56848  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 15:52:05  

Additional Information
 Earth MOID = .862237 au 
 Jupiter MOID = 2.03291 au 
 T_jup = 3.361 
[ 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 16.1   n/a MPO445662  

69421 Keizosaji           Discovered 1995 Dec. 22 at the Saji Observatory.
Keizo Saji (1919-1999) was a well-known businessmen in Japan and the honorary chief of the Saji Astro Park. He was renowned for carrying out various cultural enterprises.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20081212/MPCPages.arcLast Updated: 2008-12-12

Alternate Designations
 1995 YT2 = 1999 XB51 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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