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 ]  
312222 (2007 WZ39)
Classification: Main-belt Asteroid          SPK-ID: 2312222
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 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2278478920675232 3.4454e-07  
a 2.463916592919561 9.36e-08 au
q 1.902518390992645 7.9215e-07 au
i 12.1953983115104 1.482e-05 deg
node 76.28345021469643 4.5237e-05 deg
peri 290.9912177429376 8.227e-05 deg
M 11.6780528070712 0.00011724 deg
tp 2458554.674694993432
(2019-Mar-12.17469499)
0.0004576 TDB
period 1412.659291313977
3.87
8.0497e-05
2.204e-07
d
yr
n .2548385178319594 1.4521e-08 deg/d
Q 3.025314794846476 1.1493e-07 au
  Orbit Determination Parameters
   # obs. used (total)      87  
   data-arc span      3962 days (10.85 yr)  
   first obs. used      2006-05-22  
   last obs. used      2017-03-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .69558  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-10 12:39:53  

Additional Information
 Earth MOID = .941249 au 
 Jupiter MOID = 2.53073 au 
 T_jup = 3.422 
[ 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 17.2   n/a MPO260637  

312222 (2007 WZ39)          Discovered 2007-Nov-17 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

[ 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-10 08:02 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin