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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2195633851005957 4.7977e-08  
a 2.276961369433691 1.1339e-08 au
q 1.777024023417542 1.11e-07 au
i .6243617324452149 6.3465e-06 deg
node 146.4904823338012 0.00042423 deg
peri 239.8127132703841 0.00042456 deg
M 273.6227508281412 1.4499e-05 deg
tp 2457901.612502998539
(2017-May-28.11250300)
5.162e-05 JED
period 1254.965886489361
3.44
9.3744e-06
2.567e-08
d
yr
n .2868603871034801 2.1428e-09 deg/d
Q 2.776898715449841 1.3829e-08 au
  Orbit Determination Parameters
   # obs. used (total)      813  
   data-arc span      9407 days (25.75 yr)  
   first obs. used      1989-09-04  
   last obs. used      2015-06-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56613  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 12:33:07  

Additional Information
 Earth MOID = .78001 au 
 Jupiter MOID = 2.6707 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
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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