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243335 (2008 TH131)
Classification: Main-belt Asteroid          SPK-ID: 2243335
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1337083620145945 9.0045e-08  
a 2.642385641121876 2.917e-08 au
q 2.289076585236586 2.3669e-07 au
i 3.188294358159913 1.1299e-05 deg
node 312.8281688570289 0.00014303 deg
peri 168.1097418331362 0.00014791 deg
M 178.2824133970833 3.7961e-05 deg
tp 2458223.539873139131
(2018-Apr-15.03987314)
0.00016033 TDB
period 1568.890842008811
4.30
2.5979e-05
7.113e-08
d
yr
n .2294614707158692 3.7997e-09 deg/d
Q 2.995694697007166 3.3071e-08 au
  Orbit Determination Parameters
   # obs. used (total)      142  
   data-arc span      8068 days (22.09 yr)  
   first obs. used      1997-03-03  
   last obs. used      2019-04-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66048  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:38:15  

Additional Information
 Earth MOID = 1.30506 au 
 Jupiter MOID = 2.07571 au 
 T_jup = 3.379 
[ 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 17.2   n/a MPO433594  
diameter diameter 2.060 km 0.675 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.050   0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243335 (2008 TH131)          Discovered 2008-Oct-08 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28

[ show close-approach data ]
Alternate Designations
 2008 TH131 = 1997 EX18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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