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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 ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1440419154418199 2.5864e-08  
a 2.173032133274949 5.6029e-09 au
q 1.860024422481401 5.6626e-08 au
i 6.342595858918108 3.3881e-06 deg
node 327.2800934521907 3.3468e-05 deg
peri 339.098138338098 3.726e-05 deg
M 202.2007945108711 1.8283e-05 deg
tp 2459713.361337872746
(2022-May-13.86133787)
6.0243e-05 TDB
period 1170.031756889347
3.20
4.5252e-06
1.239e-08
d
yr
n .3076839563373031 1.19e-09 deg/d
Q 2.486039844068496 6.4099e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2202  
   data-arc span      16978 days (46.48 yr)  
   first obs. used      1974-09-20  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48928  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:34:04  

Additional Information
 Earth MOID = .844901 au 
 Jupiter MOID = 2.74818 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 14.32   n/a E2021B10  
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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