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
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2629540567225314 4.8307e-08  
a 2.966351268481629 2.155e-08 au
q 2.186337168770358 1.4995e-07 au
i 1.242979551449565 9.6758e-06 deg
node 151.1855786404709 0.00022641 deg
peri 240.3952703405618 0.00022844 deg
M 188.6460868183029 2.7422e-05 deg
tp 2460088.726691510610
(2023-May-24.22669151)
0.00014962 TDB
period 1866.088745838893
5.11
2.0335e-05
5.567e-08
d
yr
n .1929168700056457 2.1023e-09 deg/d
Q 3.746365368192901 2.7217e-08 au
  Orbit Determination Parameters
   # obs. used (total)      343  
   data-arc span      10013 days (27.41 yr)  
   first obs. used      1992-11-27  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59946  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 01:34:08  

Additional Information
 Earth MOID = 1.19136 au 
 Jupiter MOID = 1.69871 au 
 T_jup = 3.211 
[ 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 16.11   n/a E2021B55  

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 2021-Apr-13 17:10 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin