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JPL Small-Body Database Browser
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226083 (2002 LW21)
Classification: Main-belt Asteroid          SPK-ID: 2226083
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2499947006082865 1.1671e-07  
a 3.196391346238455 8.3717e-08 au
q 2.397310448608654 3.3099e-07 au
i 26.86563057489894 1.0672e-05 deg
node 63.30229785886801 1.6232e-05 deg
peri 288.6317440049338 4.0405e-05 deg
M 272.3444366884751 5.5264e-05 deg
tp 2459108.735890200817
(2020-Sep-16.23589020)
0.00033758 TDB
period 2087.316692290745
5.71
8.2004e-05
2.245e-07
d
yr
n .1724702347897744 6.7758e-09 deg/d
Q 3.995472243868255 1.0465e-07 au
  Orbit Determination Parameters
   # obs. used (total)      251  
   data-arc span      7462 days (20.43 yr)  
   first obs. used      1998-12-17  
   last obs. used      2019-05-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56431  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 13:06:45  

Additional Information
 Earth MOID = 1.53266 au 
 Jupiter MOID = 1.95809 au 
 T_jup = 2.982 
[ 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 14.2   n/a MPO437072  
diameter diameter 7.977 km 0.055 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.070   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

226083 (2002 LW21)          Discovered 2002-Jun-08 by LINEAR at Socorro
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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