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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1115413306195262 5.5746e-08  
a 2.325348584898549 1.3927e-08 au
q 2.065976109584732 1.3515e-07 au
i 6.664705090620983 6.9478e-06 deg
node .1835332900625427 4.7257e-05 deg
peri 278.457326434995 5.7839e-05 deg
M 60.42187761817686 3.4694e-05 deg
tp 2457383.118670017435
(2015-Dec-26.61867002)
0.00012423 JED
period 1295.181180701694
3.55
1.1636e-05
3.186e-08
d
yr
n .2779533901233508 2.4971e-09 deg/d
Q 2.584721060212365 1.548e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1112  
   data-arc span      19705 days (53.95 yr)  
   first obs. used      1962-05-07  
   last obs. used      2016-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55635  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:04:43  

Additional Information
 Earth MOID = 1.06241 au 
 Jupiter MOID = 2.54006 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 ]
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