Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
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 ]  
1945 Wesselink (1930 OL)
Classification: Main-belt Asteroid          SPK-ID: 2001945
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1812372761424956 4.2565e-08  
a 2.553151946504493 1.0884e-08 au
q 2.090425642142108 1.0943e-07 au
i 4.225990720473465 4.4678e-06 deg
node 142.6316271032449 6.0784e-05 deg
peri 194.7799518429916 6.1914e-05 deg
M 311.261528149558 1.3935e-05 deg
tp 2457602.235731343728
(2016-Aug-01.73573134)
5.8046e-05 JED
period 1490.093154881783
4.08
9.5285e-06
2.609e-08
d
yr
n .241595633682755 1.5449e-09 deg/d
Q 3.015878250866878 1.2857e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1710  
   data-arc span      31060 days (85.04 yr)  
   first obs. used      1930-07-22  
   last obs. used      2015-08-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51708  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 14:03:25  

Additional Information
 Earth MOID = 1.07936 au 
 Jupiter MOID = 2.35426 au 
 T_jup = 3.412 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.7 mag n/a MPO253374  
rotation period rot_per 3.5457 h n/a LCDB (Rev. 2015-December); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

1945 Wesselink (1930 OL)          Discovered 1930-Jul-22 by Van Gent, H. at Johannesburg (LS)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1930 OL = 1934 NL = 1970 GA2 = 1974 HM3 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2016-Feb-08 18:54 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin