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243338 (2008 TH188)
Classification: Main-belt Asteroid          SPK-ID: 2243338
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1739911630913887 5.4929e-08  
a 2.738044637923055 3.6366e-08 au
q 2.261649066774683 1.5299e-07 au
i 8.122100486497054 8.0375e-06 deg
node 243.9899002739493 5.3363e-05 deg
peri 228.933726100129 5.9875e-05 deg
M 136.8328555537694 2.7228e-05 deg
tp 2458371.505131242946
(2018-Sep-10.00513124)
0.00012435 TDB
period 1654.852205167632
4.53
3.2969e-05
9.026e-08
d
yr
n .2175420855565365 4.334e-09 deg/d
Q 3.214440209071427 4.2694e-08 au
  Orbit Determination Parameters
   # obs. used (total)      136  
   data-arc span      5644 days (15.45 yr)  
   first obs. used      2003-10-24  
   last obs. used      2019-04-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60797  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:57:05  

Additional Information
 Earth MOID = 1.28777 au 
 Jupiter MOID = 1.97592 au 
 T_jup = 3.315 
[ 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 16.5   n/a MPO433594  
diameter diameter 2.741 km 0.856 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.059   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243338 (2008 TH188)          Discovered 2008-Oct-09 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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