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24093 Tomoyamaguchi (1999 UM38)
Classification: Main-belt Asteroid          SPK-ID: 2024093
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2468453500221841 3.3959e-08  
a 2.71601270354887 1.1788e-08 au
q 2.045577597076651 9.2703e-08 au
i 9.10608057325271 4.7838e-06 deg
node 237.2732915578863 2.2195e-05 deg
peri 207.6863744634441 2.4162e-05 deg
M 226.049653280227 9.1006e-06 deg
tp 2459808.827519601870
(2022-Aug-17.32751960)
4.307e-05 TDB
period 1634.918553177183
4.48
1.0644e-05
2.914e-08
d
yr
n .2201944551307476 1.4335e-09 deg/d
Q 3.386447810021089 1.4697e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1228  
   data-arc span      13552 days (37.10 yr)  
   first obs. used      1983-04-15  
   last obs. used      2020-05-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49282  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:35:48  

Additional Information
 Earth MOID = 1.06582 au 
 Jupiter MOID = 1.90072 au 
 T_jup = 3.298 
[ 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 14.24   n/a E2021B10  
diameter diameter 4.470 km 0.340 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.168   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

24093 Tomoyamaguchi           Discovered 1999 Oct 29 by the Lowell Observatory Near-Earth Object Search at the Anderson Mesa Station.
Tomohiro Yamaguchi (b. 1984) is a trajectory analyst who has assisted in the construction of a cluster system for asteroid orbit computation in Sagamihara city. He studies orbital dynamics for both natural bodies and for interplanetary spacecraft such as Hayabusa and IKAROS.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20120506/MPCPages.arcLast Updated: 2012-05-09

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