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173692 (2001 PS20)
Classification: Main-belt Asteroid          SPK-ID: 2173692
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1696598556210562 4.2392e-08  
a 2.808486884002727 1.3883e-08 au
q 2.331999404749194 1.1947e-07 au
i 9.98163704778109 4.5844e-06 deg
node 63.83289104270521 2.9725e-05 deg
peri 256.6078012608115 3.4145e-05 deg
M 359.6889747466305 1.5531e-05 deg
tp 2459001.985252112161
(2020-Jun-01.48525211)
7.4165e-05 TDB
period 1719.123301356603
4.71
1.2747e-05
3.49e-08
d
yr
n .2094090631637155 1.5527e-09 deg/d
Q 3.28497436325626 1.6238e-08 au
  Orbit Determination Parameters
   # obs. used (total)      551  
   data-arc span      7481 days (20.48 yr)  
   first obs. used      2000-04-27  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55103  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 10:18:29  

Additional Information
 Earth MOID = 1.34385 au 
 Jupiter MOID = 2.08645 au 
 T_jup = 3.279 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.3   n/a MPO436862  

173692 (2001 PS20)          Discovered 2001-Aug-10 by NEAT at Palomar
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
Alternate Designations
 2001 PS20 = 2005 JC28 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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