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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1304957426691535 3.5572e-08  
a 2.635041750283089 1.1478e-08 au
q 2.291180020115671 9.4788e-08 au
i 8.382576916510011 4.3e-06 deg
node 67.40645469188371 2.9983e-05 deg
peri 196.274591890426 3.5587e-05 deg
M 314.7253216959721 1.9508e-05 deg
tp 2459196.986424719006
(2020-Dec-13.48642472)
8.4692e-05 TDB
period 1562.354842674809
4.28
1.0208e-05
2.795e-08
d
yr
n .2304214063072041 1.5055e-09 deg/d
Q 2.978903480450507 1.2975e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1601  
   data-arc span      10065 days (27.56 yr)  
   first obs. used      1992-11-25  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48923  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 18:14:37  

Additional Information
 Earth MOID = 1.27702 au 
 Jupiter MOID = 2.0861 au 
 T_jup = 3.371 
[ 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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