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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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .17077783744101 4.9634e-08  
a 2.318062791641517 1.4441e-08 AU
q 1.922189041032508 1.1646e-07 AU
i 2.274195778441404 6.5661e-06 deg
node 155.8349396083455 0.00013739 deg
peri 318.1427472236183 0.00013914 deg
M 253.2959230269468 2.3206e-05 deg
tp 2457382.589174609176
(2015-Dec-26.08917461)
8.5226e-05 JED
period 1289.098849466083
3.53
1.2046e-05
3.298e-08
d
yr
n .2792648524580594 2.6096e-09 deg/d
Q 2.713936542250526 1.6907e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      696  
   data-arc span      7718 days (21.13 yr)  
   first obs. used      1993-09-09  
   last obs. used      2014-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5654  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 13:29:57  

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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