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447217 (2005 TH169)
Classification: Main-belt Asteroid          SPK-ID: 2447217
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06789272887829385 1.6531e-07  
a 2.929310113861149 6.575e-08 au
q 2.73043125650033 4.6111e-07 au
i 1.057665754941992 1.2687e-05 deg
node 308.7196543686705 0.00068035 deg
peri 87.96321760827948 0.00068817 deg
M 323.0945207893337 9.8272e-05 deg
tp 2459188.230484775525
(2020-Dec-04.73048478)
0.00050039 TDB
period 1831.245006558711
5.01
6.1655e-05
1.688e-07
d
yr
n .1965875667704971 6.6187e-09 deg/d
Q 3.128188971221968 7.0213e-08 au
  Orbit Determination Parameters
   # obs. used (total)      54  
   data-arc span      5491 days (15.03 yr)  
   first obs. used      2002-02-06  
   last obs. used      2017-02-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .73985  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 11:41:42  

Additional Information
 Earth MOID = 1.7375 au 
 Jupiter MOID = 2.17501 au 
 T_jup = 3.273 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456693.5 (2014-Feb-05.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07044381238723116 1.7071e-07  
q 2.72421652522543 4.8021e-07 au
tp 2457340.091561682161
(2015-Nov-13.59156168)
0.0004636 TDB
node 309.2452230051796 0.00068161 deg
peri 84.60928693399276 0.0006883 deg
i 1.055809103135545 1.2695e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      54  
   data-arc span      5491 days (15.03 yr)  
   first obs. used      2002-02-06  
   last obs. used      2017-02-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .73985  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 11:41:42  

Additional Information
 Jupiter MOID = 2.17501 au 
 T_jup = 3.273 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.914336251145114E-14 -8.143452833436058E-14 -2.598790027879575E-11 -3.826654259732119E-14 -7.01794137024972E-12 -5.328186253838988E-15
q -8.143452833436058E-14 2.305982208355381E-13 7.714103967685849E-11 9.554850970516729E-14 2.029694290523828E-11 1.593509736754071E-14
tp -2.598790027879575E-11 7.714103967685849E-11 2.149281527291815E-7 2.619401241676712E-10 4.426776932361976E-8 5.538406584509632E-12
node -3.826654259732119E-14 9.554850970516729E-14 2.619401241676712E-10 4.64596531809013E-7 -4.644613698982853E-7 2.28029273025242E-9
peri -7.01794137024972E-12 2.029694290523828E-11 4.426776932361976E-8 -4.644613698982853E-7 4.737524106646056E-7 -2.278433379824532E-9
i -5.328186253838988E-15 1.593509736754071E-14 5.538406584509632E-12 2.28029273025242E-9 -2.278433379824532E-9 1.611513515218585E-10

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.5   n/a MPO402785  

447217 (2005 TH169)          Discovered 2005-Oct-09 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-10-28

Alternate Designations
 2005 TH169 = 2012 BG119 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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