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 ]  
201639 (2003 SX318)
Classification: Main-belt Asteroid          SPK-ID: 2201639
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1854835654809413 5.8249e-08  
a 2.76149918824922 2.6192e-08 au
q 2.24928647274003 1.644e-07 au
i 2.736054452516478 8.0874e-06 deg
node 76.82577205768055 0.00014586 deg
peri 256.4941162402688 0.00014764 deg
M 165.3965087243359 2.3676e-05 deg
tp 2457830.413262589543
(2017-Mar-17.91326259)
0.00010714 TDB
period 1676.161290259288
4.59
2.3847e-05
6.529e-08
d
yr
n .2147764669737189 3.0557e-09 deg/d
Q 3.273711903758411 3.105e-08 au
  Orbit Determination Parameters
   # obs. used (total)      139  
   data-arc span      5621 days (15.39 yr)  
   first obs. used      2003-09-19  
   last obs. used      2019-02-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57819  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 07:51:07  

Additional Information
 Earth MOID = 1.24011 au 
 Jupiter MOID = 2.09571 au 
 T_jup = 3.314 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.6   n/a MPO433321  

201639 (2003 SX318)          Discovered 2003-Sep-19 by NEAT at Palomar
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12

Alternate Designations
 2003 SX318 = 2006 DJ181 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jan-19 02:58 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin