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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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04552876516916183 5.4225e-08  
a 2.305575809840512 1.5092e-08 AU
q 2.200605790214583 1.2383e-07 AU
i 5.967549892220783 5.3932e-06 deg
node 274.0855694375754 6.4555e-05 deg
peri 216.5004197017525 0.00010485 deg
M 241.3693531984385 8.4008e-05 deg
tp 2457421.868372410552
(2016-Feb-03.36837241)
0.00030027 JED
period 1278.69667878943
3.50
1.2556e-05
3.438e-08
d
yr
n .281536666178581 2.7644e-09 deg/d
Q 2.41054582946644 1.578e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      791  
   data-arc span      9763 days (26.73 yr)  
   first obs. used      1988-01-19  
   last obs. used      2014-10-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49682  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 13:29:13  

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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