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1983 Bok (1975 LB)
Classification: Main-belt Asteroid          SPK-ID: 2001983
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09909177345639361 4.1083e-08  
a 2.621697892686222 8.164e-09 au
q 2.361909199033055 1.0592e-07 au
i 9.412025949089299 3.6634e-06 deg
node 23.54162350766507 2.0999e-05 deg
peri 346.7693324295102 2.737e-05 deg
M 132.5337305279995 1.6997e-05 deg
tp 2458429.683765747407
(2018-Nov-07.18376575)
7.2815e-05 TDB
period 1550.502226959651
4.25
7.2425e-06
1.983e-08
d
yr
n .2321828332397282 1.0845e-09 deg/d
Q 2.88148658633939 8.973e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2558  
   data-arc span      25485 days (69.77 yr)  
   first obs. used      1950-09-13  
   last obs. used      2020-06-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4536  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:13:39  

Additional Information
 Earth MOID = 1.36318 au 
 Jupiter MOID = 2.58196 au 
 T_jup = 3.378 
[ 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 13.1   n/a MPO365268  
diameter diameter 15.701 km 0.240 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 10.70 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Casalnuovo, G.B. (2015) Minor Planet Bull. 42, 139-141.]
geometric albedo albedo 0.034   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

1983 Bok (1975 LB)          Discovered 1975-Jun-09 by Roemer, E. at Tucson
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1975 LB = 1950 RV = 1963 UJ 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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