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 ]  
390269 (2012 XS143)
Classification: Main-belt Asteroid          SPK-ID: 2390269
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08061716584597033 6.8766e-08  
a 2.891822150974651 4.5682e-08 au
q 2.658691645032477 1.9998e-07 au
i 1.716067088611786 7.8725e-06 deg
node 177.2496610963281 0.00024829 deg
peri 248.4417402673934 0.00025287 deg
M 110.094949175377 4.8593e-05 deg
tp 2458051.185969985636
(2017-Oct-24.68596999)
0.00024014 TDB
period 1796.204569658849
4.92
4.2561e-05
1.165e-07
d
yr
n .2004226055768104 4.7491e-09 deg/d
Q 3.124952656916825 4.9364e-08 au
  Orbit Determination Parameters
   # obs. used (total)      102  
   data-arc span      4245 days (11.62 yr)  
   first obs. used      2007-09-10  
   last obs. used      2019-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .70123  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:57:38  

Additional Information
 Earth MOID = 1.67253 au 
 Jupiter MOID = 2.10777 au 
 T_jup = 3.285 
[ 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 16.8   n/a MPO434437  

390269 (2012 XS143)          Discovered 2007-Sep-10 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-03-21

[ show close-approach data ]
Alternate Designations
 2012 XS143 = 2009 BW158 
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-27 19:39 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin