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17747 (1998 BJ42)
Classification: Main-belt Asteroid          SPK-ID: 2017747
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1707778387836462 4.9792e-08  
a 2.318062792030794 1.4483e-08 AU
q 1.92218903824299 1.1676e-07 AU
i 2.27419573080773 6.5679e-06 deg
node 155.8349333435563 0.00013949 deg
peri 318.1427524423761 0.00014126 deg
M 253.2959236320614 2.3271e-05 deg
tp 2457382.589172538611
(2015-Dec-26.08917254)
8.5433e-05 JED
period 1289.098849790805
3.53
1.2081e-05
3.308e-08
d
yr
n .2792648523877132 2.6172e-09 deg/d
Q 2.713936545818597 1.6956e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      688  
   data-arc span      7691 days (21.06 yr)  
   first obs. used      1993-09-09  
   last obs. used      2014-09-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5678  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 14:35:50  

Additional Information
 Earth MOID = .939336 AU 
 T_jup = 3.559 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.4 mag n/a MPO309293  

17747 (1998 BJ42)          Discovered 1998-Jan-26 by Beijing Schmidt CCD Asteroid Program at Xinglong (327)
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 BJ42 = 1995 DD12 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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