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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .14770758057501 1.6264e-08  
a 2.585944035032421 8.6126e-09 au
q 2.203980498115404 4.0862e-08 au
i 14.64417214092029 5.5296e-07 deg
node 82.35888051975238 3.5073e-06 deg
peri 351.5013650463603 4.7316e-06 deg
M 90.20715792933599 4.4388e-06 deg
tp 2459015.902782653642
(2020-Jun-15.40278265)
1.8222e-05 TDB
period 1518.892750750667
4.16
7.5881e-06
2.078e-08
d
yr
n .237014759483236 1.1841e-09 deg/d
Q 2.96790757194944 9.8847e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2775  
   data-arc span      15081 days (41.29 yr)  
   first obs. used      1980-03-14  
   last obs. used      2021-06-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .38216  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-07 22:10:28  

Additional Information
 Earth MOID = 1.22003 au 
 Jupiter MOID = 2.30596 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 12.54   n/a MPCxxxxx  
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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