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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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .210067615673935 5.8434e-08  
a 2.404313966485565 1.8882e-08 AU
q 1.899245464214401 1.4017e-07 AU
i 11.00458303394221 7.6669e-06 deg
node 206.9227933680785 2.8585e-05 deg
peri 142.8311911034451 3.3627e-05 deg
M 352.6249345737066 1.9912e-05 deg
tp 2457028.396426380581
(2015-Jan-05.89642638)
7.5521e-05 JED
period 1361.711783763337
3.73
1.6041e-05
4.392e-08
d
yr
n .2643731252769766 3.1143e-09 deg/d
Q 2.909382468756728 2.2848e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      881  
   data-arc span      11940 days (32.69 yr)  
   first obs. used      1981-10-24  
   last obs. used      2014-07-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53464  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Sep-12 13:51:32  

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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