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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2327481077665569 5.6036e-08  
a 2.310608122826264 1.6265e-08 au
q 1.772818454448415 1.2816e-07 au
i 23.20058235406555 1.0166e-05 deg
node 30.06370360234056 1.3413e-05 deg
peri 283.5153068580913 2.7382e-05 deg
M 199.7716333653805 2.774e-05 deg
tp 2457971.485099838705
(2017-Aug-05.98509984)
0.00010183 JED
period 1282.885423220192
3.51
1.3546e-05
3.709e-08
d
yr
n .2806174218554592 2.9631e-09 deg/d
Q 2.848397791204114 2.0051e-08 au
  Orbit Determination Parameters
   # obs. used (total)      709  
   data-arc span      8630 days (23.63 yr)  
   first obs. used      1992-04-04  
   last obs. used      2015-11-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52559  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Nov-30 16:29:11  

Additional Information
 Earth MOID = .899189 au 
 Jupiter MOID = 2.7696 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 14.2 mag n/a MPO267777  

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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