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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1472810167968494 3.5329e-08  
a 2.585359447224009 1.1891e-08 au
q 2.204585079051516 9.5091e-08 au
i 14.64565389668108 3.617e-06 deg
node 82.3644959311145 1.9721e-05 deg
peri 351.5985030004917 2.6743e-05 deg
M 261.431436208379 1.8949e-05 deg
tp 2459016.234200475547
(2020-Jun-15.73420048)
8.1324e-05 TDB
period 1518.377730323788
4.16
1.0476e-05
2.868e-08
d
yr
n .2370951528136753 1.6358e-09 deg/d
Q 2.966133815396502 1.3643e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1937  
   data-arc span      14503 days (39.71 yr)  
   first obs. used      1980-03-14  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4318  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-03 20:43:42  

Additional Information
 Earth MOID = 1.22062 au 
 Jupiter MOID = 2.30638 au 
 T_jup = 3.362 
[ 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 12.4   n/a MPO458859  
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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