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 ]  
13953 (1990 TO4)
Classification: Main-belt Asteroid          SPK-ID: 2013953
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 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1636837990074492 6.515e-08  
a 2.54701718770267 2.838e-08 AU
q 2.130111738282227 1.5924e-07 AU
i 10.40141751201928 7.0835e-06 deg
node 82.85816539172036 0.00011086 deg
peri 5.742269758867498 0.00014362 deg
M 249.7072438018666 9.4999e-05 deg
tp 2457255.373597354362
(2015-Aug-20.87359735)
0.00039265 JED
period 1484.72574892767
4.06
2.4815e-05
6.794e-08
d
yr
n .242469021810935 4.0525e-09 deg/d
Q 2.963922637123112 3.3025e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      570  
   data-arc span      11165 days (30.57 yr)  
   first obs. used      1982-12-13  
   last obs. used      2013-07-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51255  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-05 17:39:16  

Additional Information
 Earth MOID = 1.14607 AU 
 T_jup = 3.401 
[ 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 13.8 mag n/a MPO266032  

13953 (1990 TO4)          Discovered 1990-Oct-09 by McNaught, R. H. at Siding Spring (413)
Reference: 20000320/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1990 TO4 = 1982 XJ3 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Apr-19 09:40 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin