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 ]  
160540 (1997 WB58)
Classification: Main-belt Asteroid          SPK-ID: 2160540
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 .2625146124141269 4.926e-08  
a 2.968054934041411 2.2194e-08 au
q 2.188897143407693 1.5351e-07 au
i 1.242675821900821 1.0171e-05 deg
node 151.1777442911515 0.00023374 deg
peri 240.5076192118854 0.00023642 deg
M 72.82440540402028 3.0119e-05 deg
tp 2458222.683625992011
(2018-Apr-14.18362599)
0.00015314 TDB
period 1867.696603745525
5.11
2.0949e-05
5.736e-08
d
yr
n .1927507922207746 2.162e-09 deg/d
Q 3.747212724675129 2.8021e-08 au
  Orbit Determination Parameters
   # obs. used (total)      333  
   data-arc span      9569 days (26.20 yr)  
   first obs. used      1992-11-27  
   last obs. used      2019-02-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61773  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:19:51  

Additional Information
 Earth MOID = 1.19443 au 
 Jupiter MOID = 1.69401 au 
 T_jup = 3.210 
[ 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 16.1   n/a MPO251331  

160540 (1997 WB58)          Discovered 1997-Nov-30 by Uppsala-DLR Trojan Survey at La Silla
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30

[ show close-approach data ]
Alternate Designations
 1997 WB58 = 2002 SY11 
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