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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2188903460121356 4.7933e-08  
a 2.27809659820798 1.1486e-08 AU
q 1.779443245577166 1.1095e-07 AU
i .6237592455680975 6.3531e-06 deg
node 146.454466219061 0.00042483 deg
peri 239.9451131493233 0.00042516 deg
M 101.4304306251913 1.4014e-05 deg
tp 2456646.647393734554
(2013-Dec-20.14739373)
4.7976e-05 JED
period 1255.904539400847
3.44
9.4983e-06
2.6e-08
d
yr
n .2866459899665183 2.1679e-09 deg/d
Q 2.776749950838794 1.4e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      809  
   data-arc span      9399 days (25.73 yr)  
   first obs. used      1989-09-04  
   last obs. used      2015-05-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56735  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 16:45:03  

Additional Information
 Earth MOID = .78364 AU 
 T_jup = 3.575 
[ 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
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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