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201208 (2002 PS171)
Classification: Main-belt Asteroid          SPK-ID: 2201208
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06695483364457451 7.0215e-08  
a 2.894648967406748 2.9464e-08 au
q 2.700838227334589 2.0086e-07 au
i 2.689842122783725 6.7531e-06 deg
node 213.3704204489876 0.00018162 deg
peri 77.82152946183641 0.00019159 deg
M 246.1395403413224 6.288e-05 deg
tp 2459569.435083857304
(2021-Dec-20.93508386)
0.00031688 TDB
period 1798.838954300846
4.92
2.7465e-05
7.52e-08
d
yr
n .2001290883429423 3.0556e-09 deg/d
Q 3.088459707478906 3.1437e-08 au
  Orbit Determination Parameters
   # obs. used (total)      164  
   data-arc span      7775 days (21.29 yr)  
   first obs. used      1998-11-14  
   last obs. used      2020-02-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58791  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 05:06:58  

Additional Information
 Earth MOID = 1.68629 au 
 Jupiter MOID = 2.01976 au 
 T_jup = 3.284 
[ 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 16.5   n/a MPO418071  

201208 (2002 PS171)          Discovered 2002-Aug-08 by NEAT at Palomar
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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