Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
393574 (2003 KJ31)
Classification: Main-belt Asteroid          SPK-ID: 2393574
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0871773594942625 6.608e-08  
a 3.132327283479331 4.8661e-08 au
q 2.859259261833766 2.0416e-07 au
i 11.22214132806564 7.44e-06 deg
node 126.6183445750431 3.126e-05 deg
peri 181.7219973694574 5.0592e-05 deg
M 326.0865256742491 4.0124e-05 deg
tp 2459191.251916578279
(2020-Dec-07.75191658)
0.0002274 TDB
period 2024.879235567965
5.54
4.7185e-05
1.292e-07
d
yr
n .177788380500145 4.143e-09 deg/d
Q 3.405395305124895 5.2903e-08 au
  Orbit Determination Parameters
   # obs. used (total)      135  
   data-arc span      5841 days (15.99 yr)  
   first obs. used      2003-05-01  
   last obs. used      2019-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60438  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 09:12:08  

Additional Information
 Earth MOID = 1.84451 au 
 Jupiter MOID = 1.85085 au 
 T_jup = 3.177 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.9   n/a MPO472040  

393574 (2003 KJ31)          Discovered 2003-May-26 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-05-15

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Apr-06 16:30 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin