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 ]  
305217 (2007 WK58)
Classification: Main-belt Asteroid          SPK-ID: 2305217
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .212169513025903 3.9632e-08  
a 2.555198703942523 2.0075e-08 au
q 2.013063439242619 1.0359e-07 au
i 6.124705813267696 4.3885e-06 deg
node 130.7742711049493 0.00010382 deg
peri 9.845231866316068 0.00010936 deg
M 236.2518828356423 3.6392e-05 deg
tp 2459113.327780854605
(2020-Sep-20.82778085)
0.00015434 TDB
period 1491.885334000315
4.08
1.7582e-05
4.814e-08
d
yr
n .2413054085294226 2.8438e-09 deg/d
Q 3.097333968642426 2.4335e-08 au
  Orbit Determination Parameters
   # obs. used (total)      139  
   data-arc span      10130 days (27.73 yr)  
   first obs. used      1992-02-05  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55792  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 07:39:20  

Additional Information
 Earth MOID = 1.027 au 
 Jupiter MOID = 1.93205 au 
 T_jup = 3.398 
[ 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 17.1   n/a MPO455249  

305217 (2007 WK58)          Discovered 2007-Nov-16 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

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