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233990 (1995 WK17)
Classification: Main-belt Asteroid          SPK-ID: 2233990
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1402428938856934 1.8776e-07  
a 2.643459931966619 3.594e-08 au
q 2.272733461236742 5.003e-07 au
i 2.469910158339938 1.1468e-05 deg
node 322.7615603921988 0.00016661 deg
peri 203.8966695090534 0.00017124 deg
M 53.96038671636546 2.9583e-05 deg
tp 2458365.195584089178
(2018-Sep-03.69558409)
0.00012866 TDB
period 1569.847713900923
4.30
3.2015e-05
8.765e-08
d
yr
n .2293216066833859 4.6767e-09 deg/d
Q 3.014186402696497 4.0981e-08 au
  Orbit Determination Parameters
   # obs. used (total)      147  
   data-arc span      8131 days (22.26 yr)  
   first obs. used      1995-10-19  
   last obs. used      2018-01-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6375  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 09:01:52  

Additional Information
 Earth MOID = 1.28051 au 
 Jupiter MOID = 1.96548 au 
 T_jup = 3.379 
[ 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 17.2   n/a MPO433528  
diameter diameter 2.188 km 0.315 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.049   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

233990 (1995 WK17)          Discovered 1995-Nov-17 by Spacewatch at Kitt Peak
Reference: 20100330/Numbers.arcLast Updated: 2010-04-05

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