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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 ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457165.5 (2015-May-23.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1179831968218253 3.184e-08  
q 2.32897654381578 8.4739e-08 au
tp 2456455.967922574201
(2013-Jun-12.46792257)
7.7013e-05 TDB
node 330.6666861039201 8.9949e-05 deg
peri 117.3596535895185 9.1728e-05 deg
i 2.067045395044887 4.3096e-06 deg
  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
 Jupiter MOID = 2.22006 au 
 T_jup = 3.384 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.013806558686767E-15 -2.683889189449648E-15 6.570227142313791E-13 -3.044677086222217E-15 1.552367190371583E-13 -1.321922020756613E-16
q -2.683889189449648E-15 7.180615489995965E-15 -1.551508124079802E-12 8.146725309503868E-15 -3.615909199721479E-13 3.805883764199473E-16
tp 6.570227142313791E-13 -1.551508124079802E-12 5.930990451317075E-9 -3.290586110913826E-12 1.392564910444387E-9 -7.158854147246869E-13
node -3.044677086222217E-15 8.146725309503868E-15 -3.290586110913826E-12 8.090910289929083E-9 -8.085987624083415E-9 -3.143761825159848E-11
peri 1.552367190371583E-13 -3.615909199721479E-13 1.392564910444387E-9 -8.085987624083415E-9 8.413941457889834E-9 3.125487026041403E-11
i -1.321922020756613E-16 3.805883764199473E-16 -7.158854147246869E-13 -3.143761825159848E-11 3.125487026041403E-11 1.857231929704919E-11

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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