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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2100676158372878 5.8311e-08  
a 2.404313966484724 1.8805e-08 AU
q 1.899245463820985 1.3995e-07 AU
i 11.00458320235224 7.6512e-06 deg
node 206.9227933363713 2.8584e-05 deg
peri 142.8311911512062 3.3612e-05 deg
M 352.6249345422163 1.9837e-05 deg
tp 2457028.396426499680
(2015-Jan-05.89642650)
7.5236e-05 JED
period 1361.711783762622
3.73
1.5975e-05
4.374e-08
d
yr
n .2643731252771154 3.1016e-09 deg/d
Q 2.909382469148462 2.2755e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      891  
   data-arc span      11963 days (32.75 yr)  
   first obs. used      1981-10-24  
   last obs. used      2014-07-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53201  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 13:04:06  

Additional Information
 Earth MOID = .90728 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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