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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1809984852774427 4.5983e-08  
a 2.553222267970813 1.1925e-08 AU
q 2.091092904891459 1.1671e-07 AU
i 4.225884198035197 4.8365e-06 deg
node 142.6315376463995 6.153e-05 deg
peri 194.7926101974737 6.2673e-05 deg
M 214.5854004888673 1.3836e-05 deg
tp 2457602.417365258016
(2016-Aug-01.91736526)
5.841e-05 JED
period 1490.154717761309
4.08
1.0439e-05
2.858e-08
d
yr
n .241585652623263 1.6925e-09 deg/d
Q 3.015351631050166 1.4083e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1577  
   data-arc span      30625 days (83.85 yr)  
   first obs. used      1930-07-22  
   last obs. used      2014-05-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51753  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:01:12  

Additional Information
 Earth MOID = 1.08257 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  

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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