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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .17086980465928 4.948e-08  
a 2.317913441156507 1.1755e-08 au
q 1.921852024248975 1.1626e-07 au
i 2.274300125866128 6.0912e-06 deg
node 155.8363899334026 0.00013209 deg
peri 318.208489006218 0.00013358 deg
M 4.958348188434193 1.9279e-05 deg
tp 2457382.746713253261
(2015-Dec-26.24671325)
6.8971e-05 JED
period 1288.974268433616
3.53
9.8049e-06
2.684e-08
d
yr
n .2792918437677411 2.1245e-09 deg/d
Q 2.713974858064039 1.3763e-08 au
  Orbit Determination Parameters
   # obs. used (total)      835  
   data-arc span      8137 days (22.28 yr)  
   first obs. used      1993-09-09  
   last obs. used      2015-12-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54036  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:37:44  

Additional Information
 Earth MOID = .938902 au 
 Jupiter MOID = 2.39316 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
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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