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382194 (2012 LK21)
Classification: Main-belt Asteroid          SPK-ID: 2382194
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1378714653047995 5.4128e-08  
a 2.324864824515759 2.2697e-08 au
q 2.004332304524186 1.366e-07 au
i 7.211689917407424 5.6705e-06 deg
node 81.66496918259891 4.0917e-05 deg
peri 264.3175339117308 4.5619e-05 deg
M .9909645109939451 2.2274e-05 deg
tp 2458996.935894199612
(2020-May-27.43589420)
8.0091e-05 TDB
period 1294.77703177551
3.54
1.8961e-05
5.191e-08
d
yr
n .2780401498985018 4.0717e-09 deg/d
Q 2.645397344507332 2.5826e-08 au
  Orbit Determination Parameters
   # obs. used (total)      156  
   data-arc span      6652 days (18.21 yr)  
   first obs. used      2001-04-16  
   last obs. used      2019-07-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60399  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:59:26  

Additional Information
 Earth MOID = 1.01251 au 
 Jupiter MOID = 2.75506 au 
 T_jup = 3.552 
[ 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 17.4   n/a MPO437564  

382194 (2012 LK21)          Discovered 2006-Nov-24 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2013-12-19

Alternate Designations
 2012 LK21 = 2006 WA189 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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