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67958 (2000 WK170)
Classification: Main-belt Asteroid          SPK-ID: 2067958
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .149604263932283 4.3567e-08  
a 2.258493994820302 7.0045e-09 au
q 1.920613663129729 9.8287e-08 au
i 6.65552215257549 4.4873e-06 deg
node 306.1375472475142 2.7971e-05 deg
peri 7.993600825706603 3.0689e-05 deg
M 44.89175503740987 1.0749e-05 deg
tp 2459045.906609991228
(2020-Jul-15.40660999)
3.7211e-05 TDB
period 1239.729218801531
3.39
5.7674e-06
1.579e-08
d
yr
n .290385992796087 1.3509e-09 deg/d
Q 2.596374326510875 8.0524e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1114  
   data-arc span      7977 days (21.84 yr)  
   first obs. used      1999-04-11  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48602  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:33:36  

Additional Information
 Earth MOID = .904831 au 
 Jupiter MOID = 2.66393 au 
 T_jup = 3.598 
[ 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 15.82   n/a E2021B10  
diameter diameter 1.368 km 0.197 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.452   0.042 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

67958 (2000 WK170)          Discovered 2000-Nov-24 by LONEOS at Anderson Mesa
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 WK170 = 2002 CR223 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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