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118927 (2000 WQ2)
Classification: Main-belt Asteroid          SPK-ID: 2118927
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1606555078501231 4.9942e-08  
a 3.173556504171003 2.8745e-08 au
q 2.663707172302349 1.6762e-07 au
i 6.176388611942623 4.6248e-06 deg
node 77.83470958374356 4.829e-05 deg
peri 288.8315903380708 5.0375e-05 deg
M 249.9008497549469 1.7313e-05 deg
tp 2459832.037648866626
(2022-Sep-09.53764887)
0.00010491 TDB
period 2064.989176446444
5.65
2.8056e-05
7.681e-08
d
yr
n .1743350542008696 2.3686e-09 deg/d
Q 3.683405836039656 3.3363e-08 au
  Orbit Determination Parameters
   # obs. used (total)      494  
   data-arc span      7591 days (20.78 yr)  
   first obs. used      1999-08-13  
   last obs. used      2020-05-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54799  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:08:00  

Additional Information
 Earth MOID = 1.66938 au 
 Jupiter MOID = 1.8143 au 
 T_jup = 3.172 
[ 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 15.06   n/a E2021B55  
diameter diameter 4.195 km 1.060 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.110   0.097 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

118927 (2000 WQ2)          Discovered 2000-Nov-19 by Spacewatch at Kitt Peak
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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