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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1813361915794648 4.2421e-08  
a 2.553542202271537 1.0868e-08 au
q 2.090492584274177 1.0913e-07 au
i 4.225922985061588 4.4531e-06 deg
node 142.6320347314762 6.0709e-05 deg
peri 194.7496891110549 6.1835e-05 deg
M 359.6020280379153 1.3984e-05 deg
tp 2457602.147642409936
(2016-Aug-01.64764241)
5.7897e-05 JED
period 1490.434814728328
4.08
9.515e-06
2.605e-08
d
yr
n .2415402515041356 1.542e-09 deg/d
Q 3.016591820268897 1.2839e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1714  
   data-arc span      31289 days (85.66 yr)  
   first obs. used      1930-07-22  
   last obs. used      2016-03-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51857  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 12:36:53  

Additional Information
 Earth MOID = 1.08065 au 
 Jupiter MOID = 2.35431 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. 2016-February); 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:
[Durech, J.; Hanus, J.; Oszkiewsicz, D.; Vanco, R. (2016) Astron. Astrophys. 587, A48.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2016) 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 ]
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