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23460 (1989 SX9)
Classification: Main-belt Asteroid          SPK-ID: 2023460
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2185329432816777 5.0906e-08  
a 2.277782512517537 1.2471e-08 AU
q 1.780011995901545 1.1889e-07 AU
i .6232816345106217 6.5442e-06 deg
node 146.4701581267042 0.00046713 deg
peri 239.919544086942 0.00046748 deg
M 44.14571202521963 1.4284e-05 deg
tp 2456646.524070806212
(2013-Dec-20.02407081)
4.9591e-05 JED
period 1255.644817283653
3.44
1.0312e-05
2.823e-08
d
yr
n .2867052808602284 2.3546e-09 deg/d
Q 2.77555302913353 1.5196e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      690  
   data-arc span      8933 days (24.46 yr)  
   first obs. used      1989-09-04  
   last obs. used      2014-02-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5731  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 23:32:34  

Additional Information
 Earth MOID = .783045 AU 
 T_jup = 3.576 
[ 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 15.2 mag n/a MPO279758  

23460 (1989 SX9)          Discovered 1989-Sep-26 by Debehogne, H. at La Silla (809)
Reference: 20010408/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1989 SX9 = 2001 BT62 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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