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249287 (2008 TG27)
Classification: Main-belt Asteroid          SPK-ID: 2249287
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3151439700860476 6.9251e-08  
a 2.581222668994471 2.2301e-08 au
q 1.767765909411449 1.8431e-07 au
i 18.30101037582627 9.575e-06 deg
node 190.2065565303116 1.3634e-05 deg
peri 125.1408495439738 1.9005e-05 deg
M 339.6055496848939 1.0199e-05 deg
tp 2459086.311627000153
(2020-Aug-24.81162700)
4.3014e-05 TDB
period 1514.734903012974
4.15
1.963e-05
5.374e-08
d
yr
n .2376653494178556 3.08e-09 deg/d
Q 3.394679428577493 2.9329e-08 au
  Orbit Determination Parameters
   # obs. used (total)      397  
   data-arc span      7284 days (19.94 yr)  
   first obs. used      1999-05-14  
   last obs. used      2019-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60951  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:23:19  

Additional Information
 Earth MOID = .818222 au 
 Jupiter MOID = 2.24851 au 
 T_jup = 3.285 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.1   n/a MPO470659  
diameter diameter 4.699 km 0.792 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.030   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

249287 (2008 TG27)          Discovered 2008-Oct-08 by CSS at Catalina
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

Alternate Designations
 2008 TG27 = 1999 JU133 = 2003 HX10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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