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JPL Small-Body Database Browser
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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2495752540527496 3.4789e-08  
a 2.709933132341847 1.2037e-08 au
q 2.033600882371667 9.5012e-08 au
i 9.134746706546066 4.8743e-06 deg
node 237.3964497649911 2.2632e-05 deg
peri 207.3474851598073 2.4536e-05 deg
M 93.98964310171755 8.6157e-06 deg
tp 2458175.084030389715
(2018-Feb-25.58403039)
3.8296e-05 TDB
period 1629.43218003244
4.46
1.0856e-05
2.972e-08
d
yr
n .2209358599956169 1.472e-09 deg/d
Q 3.386265382312027 1.5041e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1180  
   data-arc span      13175 days (36.07 yr)  
   first obs. used      1983-04-15  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48929  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 03:15:14  

Additional Information
 Earth MOID = 1.05405 au 
 Jupiter MOID = 1.90108 au 
 T_jup = 3.300 
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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 14.2   n/a MPO435926  
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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