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118419 (1999 TK53)
Classification: Outer Main-belt Asteroid          SPK-ID: 2118419
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 .09836399772356939 4.7437e-08  
a 3.202759984046834 2.7492e-08 au
q 2.887723708266912 1.5915e-07 au
i 4.454558977028342 5.2812e-06 deg
node 236.9516544667532 4.8584e-05 deg
peri 359.405792329081 5.4868e-05 deg
M 353.9636777734014 2.2349e-05 deg
tp 2459035.603864665022
(2020-Jul-05.10386467)
0.00012978 TDB
period 2093.558097962732
5.73
2.6956e-05
7.38e-08
d
yr
n .1719560590892226 2.214e-09 deg/d
Q 3.517796259826755 3.0196e-08 au
  Orbit Determination Parameters
   # obs. used (total)      563  
   data-arc span      7645 days (20.93 yr)  
   first obs. used      1999-10-01  
   last obs. used      2020-09-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50164  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:11:41  

Additional Information
 Earth MOID = 1.87599 au 
 Jupiter MOID = 1.48667 au 
 T_jup = 3.181 
[ 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 15.0   n/a MPO469225  
diameter diameter 5.272 km 0.288 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.076   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

118419 (1999 TK53)          Discovered 1999-Oct-06 by Spacewatch at Kitt Peak
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Alternate Designations
 1999 TK53 = 2002 EX80 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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