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266698 (2009 PF20)
Classification: Main-belt Asteroid          SPK-ID: 2266698
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1725805211343597 4.9819e-08  
a 2.777046155885895 2.6293e-08 au
q 2.297782083088937 1.3705e-07 au
i 5.11178653740969 5.299e-06 deg
node 170.4725523692761 6.0416e-05 deg
peri 251.4526424315082 6.243e-05 deg
M 62.43320837754604 1.5359e-05 deg
tp 2458707.352478581085
(2019-Aug-11.85247858)
7.0583e-05 TDB
period 1690.336128052712
4.63
2.4006e-05
6.572e-08
d
yr
n .2129753923053898 3.0247e-09 deg/d
Q 3.256310228682853 3.0831e-08 au
  Orbit Determination Parameters
   # obs. used (total)      285  
   data-arc span      8946 days (24.49 yr)  
   first obs. used      1995-09-26  
   last obs. used      2020-03-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6045  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 18:07:54  

Additional Information
 Earth MOID = 1.31675 au 
 Jupiter MOID = 2.09648 au 
 T_jup = 3.307 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.4   n/a MPO413195  

266698 (2009 PF20)          Discovered 2009-Aug-15 by Spacewatch at Kitt Peak
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

Alternate Designations
 2009 PF20 = 1995 SN87 = 2002 EU3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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