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JPL Small-Body Database Browser
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17740 (1998 BC19)
Classification: Main-belt Asteroid          SPK-ID: 2017740
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1303771448960245 4.3617e-08  
a 2.635814790491618 1.4444e-08 au
q 2.292164783632608 1.1165e-07 au
i 8.382652343761816 5.0933e-06 deg
node 67.41108165198371 3.0701e-05 deg
peri 196.1298417875957 3.6328e-05 deg
M 222.7103860502891 1.9567e-05 deg
tp 2459196.581915336032
(2020-Dec-13.08191534)
8.5157e-05 TDB
period 1563.042413387335
4.28
1.2848e-05
3.518e-08
d
yr
n .2303200456472764 1.8932e-09 deg/d
Q 2.979464797350628 1.6327e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1281  
   data-arc span      9564 days (26.18 yr)  
   first obs. used      1992-11-25  
   last obs. used      2019-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51859  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 22:23:16  

Additional Information
 Earth MOID = 1.27764 au 
 Jupiter MOID = 2.08485 au 
 T_jup = 3.370 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.1   n/a MPO435864  
diameter diameter 7.324 km 0.139 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.052   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17740 (1998 BC19)          Discovered 1998-Jan-27 by Testa, A., Ghezzi, P. at Sormano
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 BC19 = 1999 JE62 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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