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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04552875879246235 5.5382e-08  
a 2.305575806496726 1.6141e-08 AU
q 2.200605801724999 1.2552e-07 AU
i 5.967549485231511 6.389e-06 deg
node 274.0855728170736 6.8073e-05 deg
peri 216.5004418974803 0.00011533 deg
M 241.3693303368061 9.2608e-05 deg
tp 2457421.868452696921
(2016-Feb-03.36845270)
0.00032999 JED
period 1278.696676007682
3.50
1.3428e-05
3.676e-08
d
yr
n .2815366667910517 2.9565e-09 deg/d
Q 2.410545811268452 1.6876e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      743  
   data-arc span      9696 days (26.55 yr)  
   first obs. used      1988-01-19  
   last obs. used      2014-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50483  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 14:29:15  

Additional Information
 Earth MOID = 1.21905 AU 
 T_jup = 3.580 
[ 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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