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 ]  
390204 (2012 XE2)
Classification: Main-belt Asteroid          SPK-ID: 2390204
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07422424010838496 1.0658e-07  
a 2.85459414506946 4.7418e-08 au
q 2.642714063833834 2.8764e-07 au
i 10.29363339107545 6.6157e-06 deg
node 105.1614022716135 8.986e-05 deg
peri 27.70768933507983 0.00014629 deg
M 64.82322986571462 0.00011653 deg
tp 2458283.292718187615
(2018-Jun-13.79271819)
0.00056682 TDB
period 1761.631157364729
4.82
4.3894e-05
1.202e-07
d
yr
n .204356058585234 5.0919e-09 deg/d
Q 3.066474226305085 5.0937e-08 au
  Orbit Determination Parameters
   # obs. used (total)      124  
   data-arc span      5615 days (15.37 yr)  
   first obs. used      2004-02-13  
   last obs. used      2019-06-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62977  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:06:46  

Additional Information
 Earth MOID = 1.66269 au 
 Jupiter MOID = 2.00803 au 
 T_jup = 3.276 
[ 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 16.0   n/a MPO476836  

390204 (2012 XE2)          Discovered 2004-Feb-13 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-03-21

[ show close-approach data ]
Alternate Designations
 2012 XE2 = 2004 CA65 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jan-25 17:16 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin