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249480 (2009 TX17)
Classification: Main-belt Asteroid          SPK-ID: 2249480
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2021450400993031 4.7889e-08  
a 3.057173822375877 3.4663e-08 au
q 2.439181297461166 1.4408e-07 au
i 18.16445869583515 5.6128e-06 deg
node 103.7005844801687 1.743e-05 deg
peri 222.1660959520975 2.197e-05 deg
M 52.32649455149067 1.3082e-05 deg
tp 2458716.709557017142
(2019-Aug-21.20955702)
7.0337e-05 TDB
period 1952.444174782168
5.35
3.3206e-05
9.091e-08
d
yr
n .1843842731330154 3.1359e-09 deg/d
Q 3.675166347290588 4.167e-08 au
  Orbit Determination Parameters
   # obs. used (total)      507  
   data-arc span      8527 days (23.35 yr)  
   first obs. used      1997-07-12  
   last obs. used      2020-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52919  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 00:12:19  

Additional Information
 Earth MOID = 1.45537 au 
 Jupiter MOID = 1.71441 au 
 T_jup = 3.129 
[ 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 14.7   n/a MPO503176  
diameter diameter 6.476 km 0.231 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.073   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249480 (2009 TX17)          Discovered 2009-Oct-15 by CSS at Catalina
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

[ show close-approach data ]
Alternate Designations
 2009 TX17 = 2004 XX143 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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