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18447 (1994 PU13)
Classification: Main-belt Asteroid          SPK-ID: 2018447
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03794836316714719 4.4568e-08  
a 3.100729769371415 2.03e-08 au
q 2.983062150000124 1.4749e-07 au
i 2.135216211832418 4.1263e-06 deg
node 150.2472854556376 0.00012684 deg
peri 206.5772538389987 0.00014131 deg
M 276.2995209926062 6.4468e-05 deg
tp 2459664.181477628599
(2022-Mar-25.68147763)		 0.00035844 TDB
period 1994.317522741418
5.46		 1.9584e-05
5.362e-08		 d
yr
n .1805128801682185 1.7726e-09 deg/d
Q 3.218397388742706 2.107e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1016  
   data-arc span      10359 days (28.36 yr)  
   first obs. used      1992-02-28  
   last obs. used      2020-07-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56589  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:29:27  

Additional Information
 Earth MOID = 1.97642 au 
 Jupiter MOID = 1.96281 au 
 T_jup = 3.220 
[ 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 14.44   n/a E2021B10  

18447 (1994 PU13)          Discovered 1994-Aug-10 by Elst, E. W. at La Silla
Reference: 20001111/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1994 PU13 = 2000 SW205 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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