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7326 Tedbunch (1981 UK22)
Classification: Main-belt Asteroid          SPK-ID: 2007326
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2098599182679118 5.3479e-08  
a 2.404028645980273 1.6363e-08 au
q 1.899519390821134 1.2961e-07 au
i 11.005150037763 6.9063e-06 deg
node 206.920200741194 2.8531e-05 deg
peri 142.8344116911302 3.306e-05 deg
M 98.40149334656276 1.8463e-05 deg
tp 2457028.359383322224
(2015-Jan-05.85938332)
6.7693e-05 JED
period 1361.469398966993
3.73
1.39e-05
3.806e-08
d
yr
n .2644201920903606 2.6996e-09 deg/d
Q 2.908537901139412 1.9797e-08 au
  Orbit Determination Parameters
   # obs. used (total)      950  
   data-arc span      12472 days (34.15 yr)  
   first obs. used      1981-10-24  
   last obs. used      2015-12-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54885  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:03:23  

Additional Information
 Earth MOID = .905486 au 
 Jupiter MOID = 2.58057 au 
 T_jup = 3.469 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.0 mag n/a PDS3 (MPC 28568)  

7326 Tedbunch           Discovered 1981 Oct. 24 by S. J. Bus at Palomar.
Theodore E. Bunch (b. 1936) is a meteoriticist at Northern Arizona University. He has used petrologic studies of a broad array of meteorites to understand the metamorphism and differentiation of minor planets and the moon.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20060809/MPCPages.arcLast Updated: 2007-08-08

[ show close-approach data ]
Alternate Designations
 1981 UK22 = 1991 GQ5 = 1992 SW24 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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