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180783 (2004 RK146)
Classification: Main-belt Asteroid          SPK-ID: 2180783
[ 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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2202903470146144 2.9268e-08  
a 3.052762779650928 2.1008e-08 au
q 2.380268607568326 8.7759e-08 au
i 3.807211655914815 6.4679e-06 deg
node 357.8414221005669 5.122e-05 deg
peri 274.2319413514238 5.3848e-05 deg
M 70.93173059585557 1.4365e-05 deg
tp 2458816.637162738449
(2019-Nov-29.13716274)		 7.8163e-05 TDB
period 1948.22007377094
5.33		 2.011e-05
5.506e-08		 d
yr
n .1847840522981526 1.9074e-09 deg/d
Q 3.72525695173353 2.5636e-08 au
   Orbit Determination Parameters
   # obs. used (total)      463  
   data-arc span      7752 days (21.22 yr)  
   first obs. used      1999-10-06  
   last obs. used      2020-12-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58936  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 11:44:06  

Additional Information
 Earth MOID = 1.3661 au 
 Jupiter MOID = 1.43181 au 
 T_jup = 3.195 
[ 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 15.63   n/a E2021B55  

180783 (2004 RK146)          Discovered 2004-Sep-09 by LINEAR at Socorro
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

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