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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2487262397702165 5.2992e-08  
a 3.195080828408297 3.6357e-08 au
q 2.400380388196393 1.7858e-07 au
i 26.8378782948718 8.8052e-06 deg
node 63.27296078279001 1.1058e-05 deg
peri 288.5885495096742 1.9769e-05 deg
M 341.2847110569891 1.5875e-05 deg
tp 2459108.946424195900
(2020-Sep-16.44642420)
9.2109e-05 TDB
period 2086.033126680821
5.71
3.5606e-05
9.748e-08
d
yr
n .1725763581582291 2.9457e-09 deg/d
Q 3.989781268620202 4.54e-08 au
  Orbit Determination Parameters
   # obs. used (total)      443  
   data-arc span      8005 days (21.92 yr)  
   first obs. used      1998-12-17  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50008  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 23:59:03  

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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