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18506 (1996 PY6)
Classification: Main-belt Asteroid          SPK-ID: 2018506
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2323919821702613 5.5915e-08  
a 2.310824992175742 1.622e-08 au
q 1.773807791795443 1.2776e-07 au
i 23.21011942303985 8.2991e-06 deg
node 30.03880480725558 1.3169e-05 deg
peri 283.5768584979503 2.4893e-05 deg
M 255.8072266355362 2.662e-05 deg
tp 2457971.850581255390
(2017-Aug-06.35058126)
9.7169e-05 JED
period 1283.066041291646
3.51
1.3509e-05
3.699e-08
d
yr
n .2805779191518409 2.9542e-09 deg/d
Q 2.847842192556042 1.999e-08 au
  Orbit Determination Parameters
   # obs. used (total)      806  
   data-arc span      8762 days (23.99 yr)  
   first obs. used      1992-04-04  
   last obs. used      2016-03-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53045  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:30:04  

Additional Information
 Earth MOID = .900885 au 
 Jupiter MOID = 2.77103 au 
 T_jup = 3.443 
[ 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 14.3 mag n/a MPO365474  

18506 (1996 PY6)          Discovered 1996-Aug-15 by McNaught, R. H., Child, J. B. at Macquarie
Reference: 20001111/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1996 PY6 = 1992 GX3 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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