Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2188903417865979 4.8935e-08  
a 2.278096599493549 1.1953e-08 AU
q 1.77944325620752 1.1374e-07 AU
i .6237583728400718 6.4882e-06 deg
node 146.4545310943283 0.00044277 deg
peri 239.9450466951289 0.00044308 deg
M 101.4304311527314 1.4147e-05 deg
tp 2456646.647391594638
(2013-Dec-20.14739159)
4.8563e-05 JED
period 1255.90454046394
3.44
9.8848e-06
2.706e-08
d
yr
n .2866459897238794 2.2561e-09 deg/d
Q 2.776749942779579 1.457e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      731  
   data-arc span      9306 days (25.48 yr)  
   first obs. used      1989-09-04  
   last obs. used      2015-02-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56626  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 15:12:06  

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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2015-Mar-31 18:06 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin