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56801 (2000 PF9)
Classification: Main-belt Asteroid          SPK-ID: 2056801
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1279967699643199 1.4084e-07  
a 3.17786672992096 6.3537e-08 au
q 2.771110053114001 4.3149e-07 au
i 25.21473804707476 1.1949e-05 deg
node 81.08626541549792 2.1137e-05 deg
peri 359.2359711231584 5.291e-05 deg
M 180.7346455873414 4.1983e-05 deg
tp 2458630.876180831714
(2019-May-27.37618083)
0.00025023 JED
period 2069.197510666477
5.67
6.2056e-05
1.699e-07
d
yr
n .1739804915404359 5.2178e-09 deg/d
Q 3.584623406727918 7.167e-08 au
  Orbit Determination Parameters
   # obs. used (total)      313  
   data-arc span      8919 days (24.42 yr)  
   first obs. used      1990-11-21  
   last obs. used      2015-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .59733  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Feb-25 23:40:41  

Additional Information
 Earth MOID = 1.78526 au 
 Jupiter MOID = 1.70228 au 
 T_jup = 3.040 
[ 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 14.1 mag n/a MPO365909  

56801 (2000 PF9)          Discovered 2000-Aug-06 by McNaught, R. H. at Siding Spring
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 PF9 = 1990 WE7 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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