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118933 (2000 WA27)
Classification: Main-belt Asteroid          SPK-ID: 2118933
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07912982844654451 4.6923e-08  
a 2.970207872471144 2.3148e-08 au
q 2.735175833071926 1.3473e-07 au
i 9.579493328573548 4.8859e-06 deg
node 256.0546075532388 2.885e-05 deg
peri 249.2248992949838 4.2057e-05 deg
M 216.1769483737191 3.2529e-05 deg
tp 2459747.472636340147
(2022-Jun-16.97263634)
0.00017219 TDB
period 1869.729129244221
5.12
2.1858e-05
5.984e-08
d
yr
n .1925412587145811 2.2509e-09 deg/d
Q 3.205239911870361 2.498e-08 au
  Orbit Determination Parameters
   # obs. used (total)      814  
   data-arc span      7221 days (19.77 yr)  
   first obs. used      2000-10-25  
   last obs. used      2020-08-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51969  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 10:04:40  

Additional Information
 Earth MOID = 1.76625 au 
 Jupiter MOID = 1.94127 au 
 T_jup = 3.237 
[ 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 14.6   n/a MPO453660  
diameter diameter 4.234 km 0.602 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.171   0.047 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

118933 (2000 WA27)          Discovered 2000-Nov-26 by Yeung, W. K. Y. at Desert Beaver
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Alternate Designations
 2000 WA27 = 2002 CH42 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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