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 ]  
226984 (2004 XS31)
Classification: Main-belt Asteroid          SPK-ID: 2226984
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1199228383351022 4.7751e-08  
a 3.150744246750159 3.6933e-08 au
q 2.772898053811886 1.4393e-07 au
i 3.954683838065698 5.0265e-06 deg
node 78.76212437615635 9.3337e-05 deg
peri 35.30065245558307 9.7258e-05 deg
M 189.689537363982 2.6992e-05 deg
tp 2459566.900136554139
(2021-Dec-18.40013655)
0.00015829 TDB
period 2042.763807782141
5.59
3.5918e-05
9.834e-08
d
yr
n .1762318279913415 3.0987e-09 deg/d
Q 3.528590439688432 4.1362e-08 au
  Orbit Determination Parameters
   # obs. used (total)      240  
   data-arc span      6695 days (18.33 yr)  
   first obs. used      2000-03-05  
   last obs. used      2018-07-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56521  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 19:33:15  

Additional Information
 Earth MOID = 1.79088 au 
 Jupiter MOID = 1.57789 au 
 T_jup = 3.193 
[ 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 15.6   n/a MPO454631  

226984 (2004 XS31)          Discovered 2004-Dec-09 by CSS at Catalina
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ 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 2019-Dec-09 13:20 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin