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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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1113106548854296 5.6226e-08  
a 2.325549001626287 1.4186e-08 AU
q 2.066690619287108 1.3604e-07 AU
i 6.663996669468229 6.9652e-06 deg
node .1854001239745157 4.8248e-05 deg
peri 278.2893220786319 5.8686e-05 deg
M 253.789540016416 3.4465e-05 deg
tp 2457382.665482149658
(2015-Dec-26.16548215)
0.00012504 JED
period 1295.348627575299
3.55
1.1853e-05
3.245e-08
d
yr
n .2779174596987583 2.543e-09 deg/d
Q 2.584407383965466 1.5765e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1107  
   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      .55463  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 16:04:28  

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 ]
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