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47303 (1999 WU7)
Classification: Main-belt Asteroid          SPK-ID: 2047303
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1319435216846564 3.9543e-08  
a 2.666491542124716 1.5718e-08 au
q 2.314665257514431 1.071e-07 au
i 14.28056672471438 5.1799e-06 deg
node 109.8939722398211 1.9697e-05 deg
peri 156.3271238307697 2.8828e-05 deg
M 357.854862535506 2.2325e-05 deg
tp 2458609.976792457567
(2019-May-06.47679246)
9.8661e-05 TDB
period 1590.408699299217
4.35
1.4062e-05
3.85e-08
d
yr
n .2263569107479274 2.0014e-09 deg/d
Q 3.018317826735002 1.7792e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1411  
   data-arc span      7484 days (20.49 yr)  
   first obs. used      1998-11-13  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4867  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:35:24  

Additional Information
 Earth MOID = 1.3044 au 
 Jupiter MOID = 2.13098 au 
 T_jup = 3.327 
[ 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 13.5   n/a MPO439415  
diameter diameter 5.364 km 0.051 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.205   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

47303 (1999 WU7)          Discovered 1999-Nov-29 by Korlevic, K. at Visnjan
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

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