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118426 (1999 TX136)
Classification: Main-belt Asteroid          SPK-ID: 2118426
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .171054173219456 4.0238e-08  
a 3.112916435355025 2.3316e-08 au
q 2.580439088204115 1.3406e-07 au
i 4.41763715494251 4.0808e-06 deg
node 203.0193182640478 5.9618e-05 deg
peri 128.9366799355289 6.1173e-05 deg
M 298.5593922133442 1.3701e-05 deg
tp 2459342.875455413054
(2021-May-08.37545541)
7.7948e-05 TDB
period 2006.086339130729
5.49
2.2539e-05
6.171e-08
d
yr
n .179453891379368 2.0162e-09 deg/d
Q 3.645393782505935 2.7304e-08 au
  Orbit Determination Parameters
   # obs. used (total)      525  
   data-arc span      10300 days (28.20 yr)  
   first obs. used      1992-05-07  
   last obs. used      2020-07-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55536  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:11:38  

Additional Information
 Earth MOID = 1.57307 au 
 Jupiter MOID = 1.75911 au 
 T_jup = 3.191 
[ 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 15.2   n/a MPO432687  
diameter diameter 4.714 km 0.160 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.072   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

118426 (1999 TX136)          Discovered 1999-Oct-06 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Alternate Designations
 1999 TX136 = 2004 LL29 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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