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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .138527617999153 5.4034e-08  
a 2.325203058635481 2.2585e-08 au
q 2.003098217558363 1.3644e-07 au
i 7.212656913106786 5.6708e-06 deg
node 81.66925358646435 4.0908e-05 deg
peri 264.3932596384924 4.5576e-05 deg
M 249.778802451828 2.1602e-05 deg
tp 2458997.008388598491
(2020-May-27.50838860)
7.9847e-05 TDB
period 1295.059598976605
3.55
1.8869e-05
5.166e-08
d
yr
n .2779794847159798 4.0501e-09 deg/d
Q 2.647307899712599 2.5714e-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 = 1.01044 au 
 Jupiter MOID = 2.75172 au 
 T_jup = 3.551 
[ 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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