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JPL Small-Body Database Browser
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201985 (2004 PS54)
Classification: Main-belt Asteroid          SPK-ID: 2201985
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1928597657267955 4.066e-08  
a 2.3848845947021 1.298e-08 au
q 1.924936310482409 9.4653e-08 au
i 3.637862610381034 4.0302e-06 deg
node 107.5583876729041 7.1745e-05 deg
peri 193.4530722627592 7.2999e-05 deg
M 12.27317772232506 1.2052e-05 deg
tp 2458554.637893178347
(2019-Mar-12.13789318)
4.4909e-05 TDB
period 1345.239092053775
3.68
1.0983e-05
3.007e-08
d
yr
n .2676104211708482 2.1848e-09 deg/d
Q 2.84483287892179 1.5484e-08 au
  Orbit Determination Parameters
   # obs. used (total)      398  
   data-arc span      6525 days (17.86 yr)  
   first obs. used      2001-12-17  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52065  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 23:04:02  

Additional Information
 Earth MOID = .908847 au 
 Jupiter MOID = 2.37687 au 
 T_jup = 3.508 
[ 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 16.8   n/a MPO433323  

201985 (2004 PS54)          Discovered 2004-Aug-08 by LONEOS at Anderson Mesa
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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