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201970 (2004 PU18)
Classification: Main-belt Asteroid          SPK-ID: 2201970
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2133188851766095 4.3304e-08  
a 2.315958448745411 1.3636e-08 au
q 1.82192077434369 1.0153e-07 au
i 2.486772593477713 5.747e-06 deg
node 296.2717613594818 0.00011855 deg
peri 335.6270357592841 0.00011965 deg
M 209.6954547109078 1.6119e-05 deg
tp 2459537.982322574189
(2021-Nov-19.48232257)
5.997e-05 TDB
period 1287.343877422649
3.52
1.1369e-05
3.113e-08
d
yr
n .2796455603771889 2.4697e-09 deg/d
Q 2.809996123147132 1.6544e-08 au
  Orbit Determination Parameters
   # obs. used (total)      234  
   data-arc span      6668 days (18.26 yr)  
   first obs. used      2000-05-04  
   last obs. used      2018-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61331  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 18:45:41  

Additional Information
 Earth MOID = .806026 au 
 Jupiter MOID = 2.30426 au 
 T_jup = 3.549 
[ 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 17.3   n/a MPO454432  

201970 (2004 PU18)          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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