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117282 (2004 TT139)
Classification: Main-belt Asteroid          SPK-ID: 2117282
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1389232434218131 6.4515e-08  
a 2.66377769163236 1.8172e-08 au
q 2.293717054956122 1.7119e-07 au
i 5.006965137313046 4.8106e-06 deg
node 304.522828638713 7.6904e-05 deg
peri 103.926059865643 7.9703e-05 deg
M 203.8379121462104 2.0265e-05 deg
tp 2459689.340223775369
(2022-Apr-19.84022378)
9.055e-05 TDB
period 1587.981333800506
4.35
1.625e-05
4.449e-08
d
yr
n .2267029166762396 2.3198e-09 deg/d
Q 3.033838328308597 2.0697e-08 au
  Orbit Determination Parameters
   # obs. used (total)      596  
   data-arc span      8088 days (22.14 yr)  
   first obs. used      1997-02-11  
   last obs. used      2019-04-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49046  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 19:23:40  

Additional Information
 Earth MOID = 1.31016 au 
 Jupiter MOID = 2.34133 au 
 T_jup = 3.365 
[ 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 15.3   n/a MPO338086  
diameter diameter 4.193 km 0.096 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.084   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

117282 (2004 TT139)          Discovered 2004-Oct-09 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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