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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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1113106492861048 6.6713e-08  
a 2.325548990983554 1.7728e-08 AU
q 2.066690622850529 1.5515e-07 AU
i 6.663999186591928 7.1295e-06 deg
node .1853362805120728 6.1273e-05 deg
peri 278.2893804512407 7.0003e-05 deg
M 253.7895506030067 3.76e-05 deg
tp 2457382.665441433651
(2015-Dec-26.16544143)
0.00013728 JED
period 1295.348618683174
3.55
1.4812e-05
4.055e-08
d
yr
n .2779174616065666 3.178e-09 deg/d
Q 2.584407359116579 1.9702e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      948  
   data-arc span      18942 days (51.86 yr)  
   first obs. used      1962-05-07  
   last obs. used      2014-03-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5639  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 19:28:17  

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 (675)
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 ]
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