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180493 (2004 CK81)
Classification: Main-belt Asteroid          SPK-ID: 2180493
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .125839275663616 3.5482e-08  
a 2.392194225028976 1.1719e-08 au
q 2.091162236504645 8.2358e-08 au
i 1.729503908134037 4.6095e-06 deg
node 25.61720705892567 0.00013812 deg
peri 212.3196649744174 0.0001397 deg
M 119.7951787294031 2.2362e-05 deg
tp 2458750.792715621076
(2019-Sep-24.29271562)
8.2714e-05 TDB
period 1351.428530709945
3.70
9.9308e-06
2.719e-08
d
yr
n .266384786038875 1.9575e-09 deg/d
Q 2.693226213553307 1.3194e-08 au
  Orbit Determination Parameters
   # obs. used (total)      592  
   data-arc span      8631 days (23.63 yr)  
   first obs. used      1997-04-29  
   last obs. used      2020-12-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52645  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:26:44  

Additional Information
 Earth MOID = 1.07799 au 
 Jupiter MOID = 2.30578 au 
 T_jup = 3.520 
[ 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 16.75   n/a E2021B55  

180493 (2004 CK81)          Discovered 2004-Feb-12 by Spacewatch at Kitt Peak
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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