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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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2185329847010759 5.4101e-08  
a 2.277782506838266 1.0678e-08 AU
q 1.780011897119001 1.2543e-07 AU
i .6232815448637603 7.0561e-06 deg
node 146.4704580609859 0.00048493 deg
peri 239.9192674395952 0.00048537 deg
M 44.14569657954514 1.5229e-05 deg
tp 2456646.524125255085
(2013-Dec-20.02412526)
5.2914e-05 JED
period 1255.644812587542
3.44
8.8295e-06
2.417e-08
d
yr
n .2867052819325062 2.0161e-09 deg/d
Q 2.775553116557532 1.3012e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      691  
   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      .59903  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Mar-22 11:17:44  

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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