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 ]  
1945 Wesselink (1930 OL)
Classification: Main-belt Asteroid          SPK-ID: 2001945
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1811188686628729 3.6124e-08  
a 2.554228219716952 8.4377e-09 au
q 2.091609294255034 9.4023e-08 au
i 4.227294323205081 3.5307e-06 deg
node 142.5848824834711 4.7439e-05 deg
peri 194.3544583476979 4.8263e-05 deg
M 338.2234435441933 1.035e-05 deg
tp 2459090.693383603521
(2020-Aug-29.19338360)
4.3024e-05 TDB
period 1491.035470330729
4.08
7.3883e-06
2.023e-08
d
yr
n .2414429483157418 1.1964e-09 deg/d
Q 3.016847145178871 9.966e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2765  
   data-arc span      32517 days (89.03 yr)  
   first obs. used      1930-07-22  
   last obs. used      2019-08-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47048  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:08:48  

Additional Information
 Earth MOID = 1.08243 au 
 Jupiter MOID = 2.36336 au 
 T_jup = 3.411 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.7   n/a MPO435715  
diameter diameter 7.195 km 0.178 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.5473 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Durech, J.; Hanus, J.; Oszkiewsicz, D.; Vanco, R. (2016) Astron. Astrophys. 587, A48.]
[Linville, D.; Jiang, H.; Michalik, D.; Wilson, S.; Ditteon, R. (2017) Minor Planet Bull. 44, 173-176.]
geometric albedo albedo 0.450   0.085 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

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 | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Feb-25 22:30 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin