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JPL Small-Body Database Browser
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35424 (1998 BK)
Classification: Main-belt Asteroid          SPK-ID: 2035424
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2175135742238483 4.5945e-08  
a 2.359171954712057 1.1051e-08 au
q 1.846020030633975 1.1194e-07 au
i 6.18435770126295 4.8409e-06 deg
node 81.78410095166291 4.8509e-05 deg
peri 324.550682920427 5.0046e-05 deg
M 5.32575349983143 1.3942e-05 deg
tp 2458580.919833400476
(2019-Apr-07.41983340)
5.1175e-05 TDB
period 1323.542288626718
3.62
9.2996e-06
2.546e-08
d
yr
n .2719973536875266 1.9111e-09 deg/d
Q 2.87232387879014 1.3455e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1077  
   data-arc span      7593 days (20.79 yr)  
   first obs. used      1998-01-18  
   last obs. used      2018-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51657  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 01:47:00  

Additional Information
 Earth MOID = .859615 au 
 Jupiter MOID = 2.52101 au 
 T_jup = 3.512 
[ 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 15.1   n/a MPO358956  
diameter diameter 5.540 km 0.351 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.214 h n/a LCDB (Rev. 2019-January); 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. 150, A75.]
geometric albedo albedo 0.055   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

35424 (1998 BK)          Discovered 1998-Jan-18 by Kobayashi, T. at Oizumi
Reference: 20020227/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 BK = 2000 QD189 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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