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 ]  
9185 (1991 PX17)
Classification: Main-belt Asteroid          SPK-ID: 2009185
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ 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 .1113106559692586 5.6133e-08  
a 2.325549001962969 1.4156e-08 AU
q 2.066690617065817 1.3587e-07 AU
i 6.66399657109709 6.957e-06 deg
node .1854014833080488 4.8014e-05 deg
peri 278.2893211002032 5.8506e-05 deg
M 253.7895394188164 3.4428e-05 deg
tp 2457382.665484382927
(2015-Dec-26.16548438)
0.0001249 JED
period 1295.348627856601
3.55
1.1827e-05
3.238e-08
d
yr
n .2779174596384048 2.5375e-09 deg/d
Q 2.584407386860122 1.5731e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1109  
   data-arc span      19363 days (53.01 yr)  
   first obs. used      1962-05-07  
   last obs. used      2015-05-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55422  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 14:27:05  

Additional Information
 Earth MOID = 1.0647 AU 
 T_jup = 3.557 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.5 mag n/a MPO240278  

9185 (1991 PX17)          Discovered 1991-Aug-07 by Holt, H. E. at Palomar
Reference: 19980910/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1991 PX17 = 1962 JW = 1976 GT5 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2015-Sep-05 03:43 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin