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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2824712220761701 8.7083e-08  
a 2.582340218781847 2.9025e-08 au
q 1.852903421366094 2.3865e-07 au
i 5.282006445085524 7.3086e-06 deg
node 78.75162145121783 8.0938e-05 deg
peri 342.6444531423332 8.4114e-05 deg
M 319.8790117682739 3.4034e-05 deg
tp 2457569.422591967267
(2016-Jun-29.92259197)
0.00014597 JED
period 1515.718724498618
4.15
2.5554e-05
6.996e-08
d
yr
n .2375110857847876 4.0043e-09 deg/d
Q 3.311777016197599 3.7223e-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 = .865787 au 
 Jupiter MOID = 2.04139 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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