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180745 (2004 LK7)
Classification: Main-belt Asteroid          SPK-ID: 2180745
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2054422948630544 4.5353e-08  
a 2.691989494883159 1.8028e-08 au
q 2.138940995307129 1.2788e-07 au
i 5.60342144543431 4.6765e-06 deg
node 73.41626076819195 4.8371e-05 deg
peri 165.1837173799426 4.9431e-05 deg
M 278.4050276509073 1.1951e-05 deg
tp 2459566.153190207399
(2021-Dec-17.65319021)
5.5317e-05 TDB
period 1613.275238472795
4.42
1.6206e-05
4.437e-08
d
yr
n .2231485312703328 2.2417e-09 deg/d
Q 3.24503799445919 2.1732e-08 au
  Orbit Determination Parameters
   # obs. used (total)      438  
   data-arc span      7478 days (20.47 yr)  
   first obs. used      2000-07-29  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56567  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 11:44:02  

Additional Information
 Earth MOID = 1.12587 au 
 Jupiter MOID = 1.76651 au 
 T_jup = 3.334 
[ 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 15.8   n/a MPO266557  

180745 (2004 LK7)          Discovered 2004-Jun-11 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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