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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2826867717941706 9.0233e-08  
a 2.582195841637754 3.0176e-08 AU
q 1.852243235024846 2.4482e-07 AU
i 5.282741627976193 8.7139e-06 deg
node 78.75902176120238 9.1351e-05 deg
peri 342.6500518278015 9.3932e-05 deg
M 224.8815978028499 3.2923e-05 deg
tp 2457569.345324932308
(2016-Jun-29.84532493)
0.00014791 JED
period 1515.591611843011
4.15
2.6567e-05
7.274e-08
d
yr
n .2375310058375341 4.1638e-09 deg/d
Q 3.312148448250662 3.8706e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      254  
   data-arc span      6759 days (18.51 yr)  
   first obs. used      1995-12-22  
   last obs. used      2014-06-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55425  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 14:05:21  

Additional Information
 Earth MOID = .865677 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 16.1 mag n/a MPO257315  

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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