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 ]  
379370 (2009 WX242)
Classification: Main-belt Asteroid          SPK-ID: 2379370
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 .1293992613005584 6.9554e-08  
a 2.622756742978492 3.6926e-08 au
q 2.283373957866017 1.9682e-07 au
i 2.668059818405673 8.3724e-06 deg
node 165.861357600554 0.00011383 deg
peri 35.78655797313698 0.00011742 deg
M 318.975851281965 3.1128e-05 deg
tp 2458777.296035605181
(2019-Oct-20.79603561)
0.00013597 TDB
period 1551.441646122083
4.25
3.2764e-05
8.97e-08
d
yr
n .2320422433546506 4.9003e-09 deg/d
Q 2.962139528090967 4.1704e-08 au
  Orbit Determination Parameters
   # obs. used (total)      172  
   data-arc span      3804 days (10.41 yr)  
   first obs. used      2008-09-06  
   last obs. used      2019-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62846  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 13:12:28  

Additional Information
 Earth MOID = 1.28139 au 
 Jupiter MOID = 1.99545 au 
 T_jup = 3.390 
[ 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 16.9   n/a MPO427885  

379370 (2009 WX242)          Discovered 2009-Nov-19 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-11-20

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1928-Aug-03 21:28 00:05 Jupiter 1.99004574496721 1.99004494777935 1.99004654216481 2.49566838103649 2.31885776321037 2425462.394625940 5.15774776921042 293.138297534167 9.51562522201384 85.7142279567645 1967699.17560391 T 13 CATAB v2.0e-lin.ifort 2019-Jul-14 13:12:30 2019-Jul-14 13:12
2153-May-18 17:33 00:08 Jupiter 1.99808540478416 1.99808402801878 1.9980867815885 2.54940058170241 2.37731133438096 2507565.231315745 8.17425122043375 508.048545616236 11.4173177088278 -86.3393153303059 1725535.1362107 T 13 CATAB v2.0e-lin.ifort 2019-Jul-14 13:12:30 2019-Jul-14 13:12

Alternate Designations
 2009 WX242 = 2008 SY37 
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 09:20 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin