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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1123922289151344 3.4196e-08  
a 3.198971662894631 2.1965e-08 au
q 2.83943210746555 1.1428e-07 au
i 6.996754400398642 4.0233e-06 deg
node 146.2517065942133 3.8905e-05 deg
peri 148.4312191864879 4.4327e-05 deg
M 204.4820244544561 2.1942e-05 deg
tp 2459503.301162961409
(2021-Oct-15.80116296)
0.00012989 TDB
period 2089.844711043887
5.72
2.1524e-05
5.893e-08
d
yr
n .1722616030260825 1.7742e-09 deg/d
Q 3.558511218323713 2.4434e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1039  
   data-arc span      8884 days (24.32 yr)  
   first obs. used      1994-11-28  
   last obs. used      2019-03-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54111  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 01:46:03  

Additional Information
 Earth MOID = 1.82585 au 
 Jupiter MOID = 1.67111 au 
 T_jup = 3.173 
[ 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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