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201998 (2004 PX102)
Classification: Main-belt Asteroid          SPK-ID: 2201998
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2548884373990376 5.0295e-08  
a 2.385701904630751 1.2989e-08 au
q 1.777614074059511 1.1643e-07 au
i 3.677124626558283 4.6045e-06 deg
node 238.7601008088052 6.8912e-05 deg
peri 98.81024919860465 6.9983e-05 deg
M 109.4698788400726 1.0643e-05 deg
tp 2458591.225365401936
(2019-Apr-17.72536540)
3.805e-05 TDB
period 1345.930679895555
3.68
1.0992e-05
3.009e-08
d
yr
n .2674729132617262 2.1845e-09 deg/d
Q 2.993789735201991 1.63e-08 au
  Orbit Determination Parameters
   # obs. used (total)      460  
   data-arc span      6138 days (16.80 yr)  
   first obs. used      2003-04-26  
   last obs. used      2020-02-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48557  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 05:02:40  

Additional Information
 Earth MOID = .773139 au 
 Jupiter MOID = 2.42087 au 
 T_jup = 3.488 
[ 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 16.9   n/a MPO454432  

201998 (2004 PX102)          Discovered 2004-Aug-12 by LINEAR at Socorro
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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