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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1636659681002477 5.9891e-08  
a 2.546617667335109 2.3782e-08 AU
q 2.129823021429514 1.5064e-07 AU
i 10.40131713448778 5.999e-06 deg
node 82.85437950452122 0.00010665 deg
peri 5.799238905247714 0.00013511 deg
M 298.1489747357066 8.9046e-05 deg
tp 2457255.528343902988
(2015-Aug-21.02834390)
0.00036861 JED
period 1484.376425657696
4.06
2.0793e-05
5.693e-08
d
yr
n .2425260828569758 3.3973e-09 deg/d
Q 2.963412313240704 2.7674e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      665  
   data-arc span      11671 days (31.95 yr)  
   first obs. used      1982-12-13  
   last obs. used      2014-11-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49687  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 14:36:56  

Additional Information
 Earth MOID = 1.14616 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 13.9 mag n/a MPO319259  

13953 (1990 TO4)          Discovered 1990-Oct-09 by McNaught, R. H. at Siding Spring
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 2015-Mar-28 12:17 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin