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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1815142326897194 3.6647e-08  
a 2.552952922430377 8.3887e-09 au
q 2.089555631622451 9.5285e-08 au
i 4.226122102463748 3.6372e-06 deg
node 142.6225303840991 4.7709e-05 deg
peri 194.5611009985283 4.8537e-05 deg
M 241.4229279007773 1.023e-05 deg
tp 2459091.250621310231
(2020-Aug-29.75062131)
4.3075e-05 TDB
period 1489.918923987678
4.08
7.3436e-06
2.011e-08
d
yr
n .2416238858396951 1.1909e-09 deg/d
Q 3.016350213238304 9.9114e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2615  
   data-arc span      32435 days (88.80 yr)  
   first obs. used      1930-07-22  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46416  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-29 19:28:48  

Additional Information
 Earth MOID = 1.07953 au 
 Jupiter MOID = 2.36165 au 
 T_jup = 3.412 
[ 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-January); 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 ]
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