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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1618331562646082 1.5656e-07  
a 2.478883923625518 2.2101e-08 AU
q 2.077718314251604 3.784e-07 AU
i 15.13619773824517 9.5195e-06 deg
node 84.11929975399221 2.4328e-05 deg
peri 352.0766158081942 3.2573e-05 deg
M 112.9434100587407 2.0996e-05 deg
tp 2456553.259516187651
(2013-Sep-17.75951619)
8.0953e-05 JED
period 1425.550849657433
3.90
1.9065e-05
5.22e-08
d
yr
n .2525339591264035 3.3774e-09 deg/d
Q 2.880049532999432 2.5678e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      555  
   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      .57396  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 13:32:55  

Additional Information
 Earth MOID = 1.09378 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 MPO293764  
rotation period rot_per 7.3657 h n/a LCDB (Rev. 2015-July); 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. (2015) Astron. J., in press.]

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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