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249293 (2008 TG111)
Classification: Main-belt Asteroid          SPK-ID: 2249293
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2106065775397689 6.2188e-08  
a 3.140600534840544 3.2035e-08 au
q 2.479169404778209 2.0927e-07 au
i 9.954923859353283 8.0007e-06 deg
node 229.3097288242824 3.6954e-05 deg
peri 198.6624491883415 4.2529e-05 deg
M 5.428350620658872 2.0072e-05 deg
tp 2458969.846302465600
(2020-Apr-30.34630247)
0.00011316 TDB
period 2032.906841055286
5.57
3.1105e-05
8.516e-08
d
yr
n .1770863242376238 2.7095e-09 deg/d
Q 3.802031664902879 3.8782e-08 au
  Orbit Determination Parameters
   # obs. used (total)      342  
   data-arc span      8086 days (22.14 yr)  
   first obs. used      1997-11-29  
   last obs. used      2020-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52144  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 10:21:25  

Additional Information
 Earth MOID = 1.49519 au 
 Jupiter MOID = 1.54981 au 
 T_jup = 3.153 
[ 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 15.5   n/a MPO413152  
diameter diameter 5.698 km 0.111 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.041   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249293 (2008 TG111)          Discovered 2008-Oct-06 by CSS at Catalina
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

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