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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1282220890097481 1.4158e-07  
a 3.178755011111049 6.431e-08 AU
q 2.771168403136185 4.3474e-07 AU
i 25.21380321690656 1.2317e-05 deg
node 81.09738671078672 2.1372e-05 deg
peri 359.4448536687687 5.4318e-05 deg
M 76.0878246569129 4.2364e-05 deg
tp 2456562.981238817576
(2013-Sep-27.48123882)
0.000242 JED
period 2070.06514821373
5.67
6.282e-05
1.72e-07
d
yr
n .1739075701606038 5.2776e-09 deg/d
Q 3.586341619085912 7.2556e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      299  
   data-arc span      8896 days (24.36 yr)  
   first obs. used      1990-11-21  
   last obs. used      2015-03-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .58455  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 18:31:30  

Additional Information
 Earth MOID = 1.78664 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 14.0 mag n/a MPO244651  

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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