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187091 (2005 PC20)
Classification: Main-belt Asteroid          SPK-ID: 2187091
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1858882316224691 3.2336e-08  
a 2.307291199610712 1.0062e-08 au
q 1.878392918676992 7.2922e-08 au
i 2.083072866871097 3.9724e-06 deg
node 254.1783643790533 0.00013467 deg
peri 14.97884259699565 0.00013533 deg
M 174.5275869487155 1.4019e-05 deg
tp 2458579.897351579436
(2019-Apr-06.39735158)
4.91e-05 TDB
period 1280.124004104025
3.50
8.374e-06
2.293e-08
d
yr
n .2812227556438711 1.8396e-09 deg/d
Q 2.736189480544433 1.1933e-08 au
  Orbit Determination Parameters
   # obs. used (total)      517  
   data-arc span      9181 days (25.14 yr)  
   first obs. used      1995-11-16  
   last obs. used      2021-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51753  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 11:56:04  

Additional Information
 Earth MOID = .860606 au 
 Jupiter MOID = 2.35683 au 
 T_jup = 3.563 
[ 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 17.0   n/a MPO533177  

187091 (2005 PC20)          Discovered 2005-Aug-06 by NEAT at Palomar
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

Alternate Designations
 2005 PC20 = 1995 WM10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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