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22938 Brilawrence (1999 TS173)
Classification: Main-belt Asteroid          SPK-ID: 2022938
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1612637972075671 3.9699e-08  
a 3.196055971705585 2.2089e-08 au
q 2.680647849620422 1.2652e-07 au
i 2.686453750368027 3.7052e-06 deg
node 125.0655921239971 0.00010194 deg
peri 298.9219489626519 0.00010268 deg
M 246.1486698002053 1.3089e-05 deg
tp 2459860.517726520776
(2022-Oct-08.01772652)
7.8979e-05 TDB
period 2086.988190041434
5.71
2.1635e-05
5.923e-08
d
yr
n .1724973824566074 1.7882e-09 deg/d
Q 3.711464093790748 2.5651e-08 au
  Orbit Determination Parameters
   # obs. used (total)      757  
   data-arc span      8889 days (24.34 yr)  
   first obs. used      1995-02-02  
   last obs. used      2019-06-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51654  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:14:57  

Additional Information
 Earth MOID = 1.69476 au 
 Jupiter MOID = 1.612 au 
 T_jup = 3.173 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.0   n/a MPO435914  
diameter diameter 4.629 km 0.235 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.099   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

22938 Brilawrence           Discovered 1999 Oct. 10 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Brian Robert Lawrence (b. 1989) 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 Montgomery Blair High School, Silver Spring, Maryland.
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

[ show close-approach data ]
Alternate Designations
 1999 TS173 = 1998 OC2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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