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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1168224250147045 3.1498e-08  
a 2.640815672610023 9.8303e-09 au
q 2.332309181718882 8.3731e-08 au
i 2.069744480743247 4.1965e-06 deg
node 330.4422264203198 8.8611e-05 deg
peri 118.9711419041004 9.0397e-05 deg
M 268.5992730615701 1.8909e-05 deg
tp 2459598.472175444358
(2022-Jan-18.97217544)
8.3281e-05 TDB
period 1567.492819356675
4.29
8.7523e-06
2.396e-08
d
yr
n .2296661238599804 1.2824e-09 deg/d
Q 2.949322163501164 1.0979e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1613  
   data-arc span      16289 days (44.60 yr)  
   first obs. used      1976-05-03  
   last obs. used      2020-12-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49764  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:14:42  

Additional Information
 Earth MOID = 1.34939 au 
 Jupiter MOID = 2.22007 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 14.36   n/a E2021B10  
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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