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243855 (2000 WA73)
Classification: Main-belt Asteroid          SPK-ID: 2243855
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2869622436633744 5.8166e-08  
a 3.105507070535122 2.4291e-08 au
q 2.214343793861891 1.8455e-07 au
i 12.15878483799794 4.9828e-06 deg
node 254.8034040292885 3.1855e-05 deg
peri 81.45165793812902 3.3053e-05 deg
M 281.9340148909401 9.4897e-06 deg
tp 2459633.967513019641
(2022-Feb-23.46751302)
5.5793e-05 TDB
period 1998.928271629032
5.47
2.3453e-05
6.421e-08
d
yr
n .1800965072681757 2.1131e-09 deg/d
Q 3.996670347208354 3.1262e-08 au
  Orbit Determination Parameters
   # obs. used (total)      326  
   data-arc span      7636 days (20.91 yr)  
   first obs. used      1999-06-15  
   last obs. used      2020-05-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56848  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 01:45:17  

Additional Information
 Earth MOID = 1.24253 au 
 Jupiter MOID = 1.69142 au 
 T_jup = 3.122 
[ 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 15.16   n/a E2021B55  
diameter diameter 6.450 km 0.243 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.047   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243855 (2000 WA73)          Discovered 2000-Nov-20 by LINEAR at Socorro
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

[ show close-approach data ]
Alternate Designations
 2000 WA73 = 2005 QY13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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