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58699 (1998 BK42)
Classification: Main-belt Asteroid          SPK-ID: 2058699
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1614641254760066 1.5564e-07  
a 2.479664930673307 2.1882e-08 au
q 2.079288001168619 3.7642e-07 au
i 15.13331687054499 9.4638e-06 deg
node 84.11630316387397 2.3997e-05 deg
peri 352.0334504210701 3.1922e-05 deg
M 264.4851688756954 2.1809e-05 deg
tp 2457978.904452752372
(2017-Aug-13.40445275)
8.8972e-05 JED
period 1426.224612317721
3.90
1.8879e-05
5.169e-08
d
yr
n .2524146595780403 3.3412e-09 deg/d
Q 2.880041860177995 2.5416e-08 au
  Orbit Determination Parameters
   # obs. used (total)      567  
   data-arc span      6413 days (17.56 yr)  
   first obs. used      1997-11-30  
   last obs. used      2015-06-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57142  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Feb-25 23:47:35  

Additional Information
 Earth MOID = 1.09405 au 
 Jupiter MOID = 2.39045 au 
 T_jup = 3.414 
[ 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 14.8 mag n/a MPO365929  
rotation period rot_per 7.3657 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2016) Astron. J. 150, A75.]

58699 (1998 BK42)          Discovered 1998-Jan-26 by BAO Schmidt CCD Asteroid Program at Xinglong
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 BK42 = 2001 QV296 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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