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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 ]

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Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1711135622042252 4.9308e-08  
a 2.318318040298611 8.7212e-09 au
q 1.921622382100797 1.1541e-07 au
i 2.274527066406544 5.5579e-06 deg
node 155.8365641908465 0.0001062 deg
peri 318.1872405277152 0.00010772 deg
M 60.80903870989901 1.4094e-05 deg
tp 2457382.717195461373
(2015-Dec-26.21719546)
5.0575e-05 JED
period 1289.3117749803
3.53
7.2753e-06
1.992e-08
d
yr
n .2792187328045621 1.5756e-09 deg/d
Q 2.715013698496425 1.0213e-08 au
  Orbit Determination Parameters
   # obs. used (total)      977  
   data-arc span      8258 days (22.61 yr)  
   first obs. used      1993-09-09  
   last obs. used      2016-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53971  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:28:16  

Additional Information
 Earth MOID = .93727 au 
 Jupiter MOID = 2.39132 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 15.5 mag n/a MPO365465  

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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