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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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04552876445954299 5.455e-08  
a 2.305575809541269 1.5379e-08 AU
q 2.200605791565044 1.2431e-07 AU
i 5.967550434594195 5.7759e-06 deg
node 274.0855671536875 6.5468e-05 deg
peri 216.5004237300452 0.00010771 deg
M 241.3693516708104 8.6364e-05 deg
tp 2457421.868377754553
(2016-Feb-03.36837775)
0.00030841 JED
period 1278.696678540485
3.50
1.2794e-05
3.503e-08
d
yr
n .2815366662333923 2.8169e-09 deg/d
Q 2.410545827517494 1.6079e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      764  
   data-arc span      9725 days (26.63 yr)  
   first obs. used      1988-01-19  
   last obs. used      2014-09-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49993  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Sep-12 14:08:10  

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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