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35220 (1994 WU7)
Classification: Main-belt Asteroid          SPK-ID: 2035220
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .112721774073019 3.2001e-08  
a 3.197622377954246 2.0058e-08 au
q 2.837180710695657 1.0914e-07 au
i 6.99814671248039 3.8377e-06 deg
node 146.2545641790903 3.5446e-05 deg
peri 148.5974580109733 4.1007e-05 deg
M 273.2466211083134 2.1902e-05 deg
tp 2459503.795545694734
(2021-Oct-16.29554569)
0.00012879 TDB
period 2088.522646205159
5.72
1.9651e-05
5.38e-08
d
yr
n .1723706470955051 1.6219e-09 deg/d
Q 3.558064045212834 2.2319e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1158  
   data-arc span      9282 days (25.41 yr)  
   first obs. used      1994-11-28  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52747  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 08:03:47  

Additional Information
 Earth MOID = 1.82431 au 
 Jupiter MOID = 1.67363 au 
 T_jup = 3.174 
[ 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 13.8   n/a MPO436011  
diameter diameter 9.642 km 0.119 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.069   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

35220 (1994 WU7)          Discovered 1994-Nov-28 by Spacewatch at Kitt Peak
Reference: 20020227/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1994 WU7 = 1999 RV23 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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