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20886 (2000 WE2)
Classification: Main-belt Asteroid          SPK-ID: 2020886
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1440264515208135 2.6359e-08  
a 2.172579903181543 5.8641e-09 au
q 1.859670929080872 5.7595e-08 au
i 6.342281763090505 3.5085e-06 deg
node 327.2891644060845 3.9346e-05 deg
peri 338.9523719842056 4.3124e-05 deg
M 17.72080491199725 1.8777e-05 deg
tp 2458542.923798786808
(2019-Feb-28.42379879)
6.0946e-05 TDB
period 1169.66653262553
3.20
4.7356e-06
1.297e-08
d
yr
n .3077800295712611 1.2461e-09 deg/d
Q 2.485488877282213 6.7087e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1882  
   data-arc span      16511 days (45.20 yr)  
   first obs. used      1974-09-20  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49526  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 00:47:24  

Additional Information
 Earth MOID = .845744 au 
 Jupiter MOID = 2.74724 au 
 T_jup = 3.666 
[ 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 MPO439240  
diameter diameter 5.874 km 0.993 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.107   0.031 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

20886 (2000 WE2)          Discovered 2000-Nov-18 by Juels, C. W. at Fountain Hills
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 WE2 = 1974 ST2 = 1977 PB1 = 1999 GQ9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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