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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2487262398484063 5.2993e-08  
a 3.195080826006115 3.6657e-08 au
q 2.400380386141873 1.7861e-07 au
i 26.8378785632606 8.9312e-06 deg
node 63.27296087802531 1.1072e-05 deg
peri 288.588547813402 2.0044e-05 deg
M 341.2847131599119 1.6425e-05 deg
tp 2459108.946411888136
(2020-Sep-16.44641189)
9.5352e-05 TDB
period 2086.033124328284
5.71
3.5899e-05
9.829e-08
d
yr
n .1725763583528533 2.9699e-09 deg/d
Q 3.989781265870355 4.5774e-08 au
  Orbit Determination Parameters
   # obs. used (total)      427  
   data-arc span      7975 days (21.83 yr)  
   first obs. used      1998-12-17  
   last obs. used      2020-10-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50077  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 02:34:36  

Additional Information
 Earth MOID = 1.53611 au 
 Jupiter MOID = 1.9629 au 
 T_jup = 2.983 
[ 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 14.3   n/a MPO475849  
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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