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

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2823612638462198 8.7095e-08  
a 2.58198563482714 2.9089e-08 au
q 1.852932907744564 2.3868e-07 au
i 5.282178862302723 7.3089e-06 deg
node 78.74904891881924 8.0935e-05 deg
peri 342.647403421989 8.4113e-05 deg
M 7.381547130299531 3.48e-05 deg
tp 2457569.427653184427
(2016-Jun-29.92765318)
0.00014599 JED
period 1515.406547726297
4.15
2.5609e-05
7.011e-08
d
yr
n .2375600135423335 4.0146e-09 deg/d
Q 3.311038361909715 3.7303e-08 au
  Orbit Determination Parameters
   # obs. used (total)      289  
   data-arc span      7247 days (19.84 yr)  
   first obs. used      1995-12-22  
   last obs. used      2015-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54473  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Nov-30 18:16:39  

Additional Information
 Earth MOID = .865123 au 
 Jupiter MOID = 2.04051 au 
 T_jup = 3.361 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.2 mag n/a MPO351331  

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 | Physical Parameters | Discovery Circumstances ]
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