Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2828504766290645 9.0237e-08  
a 2.581889908214174 3.0147e-08 AU
q 1.851601117072023 2.4478e-07 AU
i 5.28322674217441 8.7152e-06 deg
node 78.75864645004425 9.1344e-05 deg
peri 342.6483312492938 9.3922e-05 deg
M 177.3812633226847 3.2135e-05 deg
tp 2456053.861724451218
(2012-May-06.36172445)
0.00012326 JED
period 1515.322273404887
4.15
2.6541e-05
7.267e-08
d
yr
n .2375732253912496 4.161e-09 deg/d
Q 3.312178699356325 3.8675e-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 = .864396 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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Jul-29 10:45 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin