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160613 (1999 TA68)
Classification: Main-belt Asteroid          SPK-ID: 2160613
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1163702786155659 5.9373e-08  
a 3.099186502600524 3.0785e-08 au
q 2.7385333058113 1.7748e-07 au
i 2.281293903158943 4.0215e-06 deg
node 96.4528759818859 0.00017554 deg
peri 56.53895888862076 0.00017724 deg
M 217.7485480997506 2.8011e-05 deg
tp 2459987.952202036476
(2023-Feb-12.45220204)
0.00016317 TDB
period 1992.828817887338
5.46
2.9693e-05
8.13e-08
d
yr
n .1806477288810223 2.6917e-09 deg/d
Q 3.459839699389748 3.4368e-08 au
  Orbit Determination Parameters
   # obs. used (total)      346  
   data-arc span      21997 days (60.22 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-12-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60538  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:02:05  

Additional Information
 Earth MOID = 1.74965 au 
 Jupiter MOID = 1.53163 au 
 T_jup = 3.211 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457399.5 (2016-Jan-12.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1120353949616985 6.0134e-08  
q 2.756076781283527 1.7918e-07 au
tp 2457993.338439864581
(2017-Aug-27.83843986)
0.00014976 TDB
node 96.4936819768259 0.0001758 deg
peri 56.73232746270006 0.00017762 deg
i 2.279814094353176 4.0116e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      346  
   data-arc span      21997 days (60.22 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-12-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60538  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:02:05  

Additional Information
 Jupiter MOID = 1.53163 au 
 T_jup = 3.211 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.616149605811823E-15 -1.06605113019808E-14 4.873213829512831E-12 5.293419084007394E-15 8.598336157792191E-13 4.301203181458562E-16
q -1.06605113019808E-14 3.210696899941798E-14 -1.266693856921625E-11 -2.196026187760629E-14 -2.277177074948614E-12 -9.426105803292899E-16
tp 4.873213829512831E-12 -1.266693856921625E-11 2.242722031951206E-8 -2.06319430252795E-11 3.903935280584957E-9 1.159406953661323E-12
node 5.293419084007394E-15 -2.196026187760629E-14 -2.06319430252795E-11 3.090409899135895E-8 -3.088320086046892E-8 4.845446214711606E-11
peri 8.598336157792191E-13 -2.277177074948614E-12 3.903935280584957E-9 -3.088320086046892E-8 3.155043734276393E-8 -4.823090881761877E-11
i 4.301203181458562E-16 -9.426105803292899E-16 1.159406953661323E-12 4.845446214711606E-11 -4.823090881761877E-11 1.609310918374977E-11

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 15.67   n/a E2021B55  

160613 (1999 TA68)          Discovered 1999-Oct-08 by Spacewatch at Kitt Peak
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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