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190402 (1999 TK168)
Classification: Main-belt Asteroid          SPK-ID: 2190402
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1126705269410384 7.0123e-08  
a 2.804729635494347 2.4543e-08 au
q 2.488719269536053 1.9404e-07 au
i 3.266654794862092 5.9058e-06 deg
node 321.6007434771267 0.00010377 deg
peri 70.1644247231765 0.000107 deg
M 170.1212519624268 2.3992e-05 deg
tp 2458389.742450588658
(2018-Sep-28.24245059)
0.00011384 TDB
period 1715.674640417921
4.70
2.252e-05
6.166e-08
d
yr
n .2098299942886068 2.7542e-09 deg/d
Q 3.120740001452642 2.7309e-08 au
  Orbit Determination Parameters
   # obs. used (total)      358  
   data-arc span      7472 days (20.46 yr)  
   first obs. used      1999-10-10  
   last obs. used      2020-03-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58186  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 07:02:18  

Additional Information
 Earth MOID = 1.49548 au 
 Jupiter MOID = 2.31023 au 
 T_jup = 3.312 
[ 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 16.01   n/a E2021B55  

190402 (1999 TK168)          Discovered 1999-Oct-10 by LINEAR at Socorro
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19

[ show close-approach data ]
Alternate Designations
 1999 TK168 = 2006 BY44 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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