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22913 Brockman (1999 TO32)
Classification: Main-belt Asteroid          SPK-ID: 2022913
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1165416585586056 3.2033e-08  
a 2.642907207833562 9.9884e-09 au
q 2.334898418416146 8.5092e-08 au
i 2.068886568978493 4.3149e-06 deg
node 330.4481857134042 8.971e-05 deg
peri 118.5757317368322 9.1541e-05 deg
M 223.1046088998467 1.9067e-05 deg
tp 2459597.270883901304
(2022-Jan-17.77088390)
8.4502e-05 TDB
period 1569.355377693419
4.30
8.8967e-06
2.436e-08
d
yr
n .2293935491711984 1.3004e-09 deg/d
Q 2.950915997250979 1.1152e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1593  
   data-arc span      16241 days (44.47 yr)  
   first obs. used      1976-05-03  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49801  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 01:48:40  

Additional Information
 Earth MOID = 1.35225 au 
 Jupiter MOID = 2.22006 au 
 T_jup = 3.384 
[ 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 14.3   n/a MPO299126  
diameter diameter 4.582 km 0.315 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.122   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

22913 Brockman           Discovered 1999 Oct. 4 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Gregory Drew Brockman (b. 1988) is a finalist in the 2007 Intel Science Talent Search (STS), a science competition for high school seniors, for his mathematics project. He attends the Red River High School, Grand Forks, North Dakota.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20070303/MPCPages.arcLast Updated: 2010-04-12

Alternate Designations
 1999 TO32 = 1976 JQ3 = 1997 EV31 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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