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JPL Small-Body Database Browser
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212283 (2005 LC21)
Classification: Main-belt Asteroid          SPK-ID: 2212283
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1528234024105568 5.8165e-08  
a 2.710802559036748 2.8764e-08 au
q 2.296528488701508 1.5145e-07 au
i 8.784304820719404 5.8111e-06 deg
node 223.8551841573367 4.7864e-05 deg
peri 342.1539005236041 5.3284e-05 deg
M 75.56991129506603 2.4554e-05 deg
tp 2458258.290809481377
(2018-May-19.79080948)
0.00011108 TDB
period 1630.216397974623
4.46
2.5947e-05
7.104e-08
d
yr
n .2208295784825028 3.5147e-09 deg/d
Q 3.125076629371988 3.3159e-08 au
  Orbit Determination Parameters
   # obs. used (total)      280  
   data-arc span      7619 days (20.86 yr)  
   first obs. used      1998-12-12  
   last obs. used      2019-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58141  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 23:45:28  

Additional Information
 Earth MOID = 1.29372 au 
 Jupiter MOID = 1.85577 au 
 T_jup = 3.329 
[ 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 16.0   n/a MPO440125  

212283 (2005 LC21)          Discovered 2005-Jun-05 by LINEAR at Socorro
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

[ show close-approach data ]
Alternate Designations
 2005 LC21 = 2007 UN104 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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