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3041 Webb (1980 GD)
Classification: Main-belt Asteroid          SPK-ID: 2003041
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1475125405933482 3.431e-08  
a 2.585849495572804 1.1379e-08 au
q 2.204404266888832 9.2289e-08 au
i 14.64548334821188 3.5495e-06 deg
node 82.36546165071741 1.9339e-05 deg
peri 351.5630016363605 2.6224e-05 deg
M 356.3071845221678 1.8588e-05 deg
tp 2459016.079675204274
(2020-Jun-15.57967520)
7.8468e-05 TDB
period 1518.80945777207
4.16
1.0025e-05
2.745e-08
d
yr
n .2370277576017213 1.5645e-09 deg/d
Q 2.967294724256776 1.3057e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2184  
   data-arc span      14840 days (40.63 yr)  
   first obs. used      1980-03-14  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41031  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:03:43  

Additional Information
 Earth MOID = 1.22059 au 
 Jupiter MOID = 2.30523 au 
 T_jup = 3.361 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.5   n/a MPO502182  
diameter diameter 8.221 km 0.115 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.314   0.043 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

3041 Webb (1980 GD)          Discovered 1980-Apr-15 by Bowell, E. at Flagstaff (AM)
Discovered at the Anderson Mesa station, which is operated by the Lowell Observatory.
Reference: DISCOVERY.DBLast Updated: 2003-08-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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