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180742 (2004 LL2)
Classification: Main-belt Asteroid          SPK-ID: 2180742
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1414315657875345 4.0043e-08  
a 2.76907363544139 2.4967e-08 au
q 2.377439215399934 1.1082e-07 au
i 14.15874722033478 4.5758e-06 deg
node 119.2091065964401 2.0099e-05 deg
peri 141.9843163934081 3.0767e-05 deg
M 204.1147565748433 2.9063e-05 deg
tp 2459929.290476151441
(2022-Dec-15.79047615)
0.00014337 TDB
period 1683.062268433925
4.61
2.2763e-05
6.232e-08
d
yr
n .2138958294959443 2.8928e-09 deg/d
Q 3.160708055482846 2.8498e-08 au
  Orbit Determination Parameters
   # obs. used (total)      494  
   data-arc span      7036 days (19.26 yr)  
   first obs. used      2001-11-15  
   last obs. used      2021-02-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59401  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:27:45  

Additional Information
 Earth MOID = 1.37557 au 
 Jupiter MOID = 2.02646 au 
 T_jup = 3.280 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.5   n/a MPO264421  

180742 (2004 LL2)          Discovered 2004-Jun-06 by CSS at Catalina
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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