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 ]  
442747 (2012 WO15)
Classification: Main-belt Asteroid          SPK-ID: 2442747
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 .1687630304884319 9.0147e-08  
a 2.432320625426505 3.5241e-08 au
q 2.02183482556001 2.3276e-07 au
i 4.545480691289711 1.2532e-05 deg
node 94.69703866058245 0.00011363 deg
peri 263.1552201539438 0.00013171 deg
M 309.1415774873774 4.9509e-05 deg
tp 2458796.244715067115
(2019-Nov-08.74471507)
0.00018878 TDB
period 1385.5737937344
3.79
3.0113e-05
8.244e-08
d
yr
n .2598201565502531 5.6467e-09 deg/d
Q 2.842806425292999 4.1188e-08 au
  Orbit Determination Parameters
   # obs. used (total)      69  
   data-arc span      4951 days (13.56 yr)  
   first obs. used      2006-01-31  
   last obs. used      2019-08-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51844  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:43:56  

Additional Information
 Earth MOID = 1.02305 au 
 Jupiter MOID = 2.60564 au 
 T_jup = 3.483 
[ 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 17.5   n/a MPO343131  

442747 (2012 WO15)          Discovered 2008-Oct-07 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin