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JPL Small-Body Database Browser
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382146 (2011 LT21)
Classification: Main-belt Asteroid          SPK-ID: 2382146
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1400972495484907 7.8333e-08  
a 3.183497703553101 6.3054e-08 au
q 2.737498431341375 2.5913e-07 au
i 4.459889365790223 6.4017e-06 deg
node 80.56776186832577 0.00015098 deg
peri 145.0429645310435 0.00015613 deg
M 148.5972914174111 4.4093e-05 deg
tp 2457744.125689622124
(2016-Dec-21.62568962)
0.00023964 TDB
period 2074.699671813215
5.68
6.1639e-05
1.688e-07
d
yr
n .1735190904452077 5.1552e-09 deg/d
Q 3.629496975764827 7.1888e-08 au
  Orbit Determination Parameters
   # obs. used (total)      94  
   data-arc span      4937 days (13.52 yr)  
   first obs. used      2005-03-10  
   last obs. used      2018-09-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .71091  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-03 13:03:42  

Additional Information
 Earth MOID = 1.7296 au 
 Jupiter MOID = 1.35975 au 
 T_jup = 3.179 
[ 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 16.2   n/a MPO455743  

382146 (2011 LT21)          Discovered 2005-Mar-10 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-12-19

[ show close-approach data ]
Alternate Designations
 2011 LT21 = 2005 EH149 = 2005 JS185 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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