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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2101176674685023 6.9251e-08  
a 2.404362966371409 2.047e-08 AU
q 1.899163828129799 1.6345e-07 AU
i 11.00452574154753 8.8002e-06 deg
node 206.928397530135 2.9731e-05 deg
peri 142.8383615267253 3.5395e-05 deg
M 299.745560434045 2.2153e-05 deg
tp 2457028.421357321005
(2015-Jan-05.92135732)
8.5775e-05 JED
period 1361.753411476799
3.73
1.739e-05
4.761e-08
d
yr
n .2643650436018266 3.376e-09 deg/d
Q 2.909562104613018 2.4771e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      864  
   data-arc span      11500 days (31.49 yr)  
   first obs. used      1981-10-24  
   last obs. used      2013-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57693  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-05 15:41:04  

Additional Information
 Earth MOID = .905659 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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