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17409 (1988 BA4)
Classification: Main-belt Asteroid          SPK-ID: 2017409
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04544324761698777 5.5848e-08  
a 2.305866281087414 1.6562e-08 AU
q 2.201080228704296 1.2621e-07 AU
i 5.967672301871129 6.6312e-06 deg
node 274.0892541555912 6.9489e-05 deg
peri 216.3661969517399 0.00011998 deg
M 185.2030982182785 9.6456e-05 deg
tp 2457421.484606550600
(2016-Feb-02.98460655)
0.00034373 JED
period 1278.938334029402
3.50
1.3779e-05
3.772e-08
d
yr
n .2814834698603411 3.0327e-09 deg/d
Q 2.410652333470532 1.7315e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      735  
   data-arc span      9653 days (26.43 yr)  
   first obs. used      1988-01-19  
   last obs. used      2014-06-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50671  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:38:38  

Additional Information
 Earth MOID = 1.21927 AU 
 T_jup = 3.579 
[ 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 14.5 mag n/a MPO263502  

17409 (1988 BA4)          Discovered 1988-Jan-19 by Debehogne, H. at La Silla (809)
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1988 BA4 = 1986 TN8 = 2000 QF89 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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