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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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .170777837129363 5.0129e-08  
a 2.318062791451953 1.4601e-08 AU
q 1.922189041597735 1.1736e-07 AU
i 2.274195550790313 6.5974e-06 deg
node 155.8349216069712 0.00014511 deg
peri 318.1427657980847 0.00014692 deg
M 253.29592267062 2.3499e-05 deg
tp 2457382.589175838253
(2015-Dec-26.08917584)
8.617e-05 JED
period 1289.098849307956
3.53
1.2179e-05
3.334e-08
d
yr
n .2792648524923155 2.6385e-09 deg/d
Q 2.71393654130617 1.7094e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      663  
   data-arc span      7663 days (20.98 yr)  
   first obs. used      1993-09-09  
   last obs. used      2014-09-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57301  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Sep-12 14:08:47  

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 15.3 mag n/a MPO263505  

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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