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JPL Small-Body Database Browser
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434564 (2005 TJ157)
Classification: Main-belt Asteroid          SPK-ID: 2434564
[ 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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08205842244252776 1.15e-07  
a 2.462621561373816 3.161e-08 au
q 2.260542720974526 2.8364e-07 au
i 5.595213315046035 1.2175e-05 deg
node 221.2496877263857 7.0906e-05 deg
peri 179.9098397249724 8.8732e-05 deg
M 164.1459825431307 5.9352e-05 deg
tp 2457956.890122837620
(2017-Jul-22.39012284)		 0.00022429 TDB
period 1411.545699679709
3.86		 2.7178e-05
7.441e-08		 d
yr
n .2550395641329125 4.9106e-09 deg/d
Q 2.664700401773106 3.4204e-08 au
   Orbit Determination Parameters
   # obs. used (total)      79  
   data-arc span      4988 days (13.66 yr)  
   first obs. used      2005-09-29  
   last obs. used      2019-05-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49328  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:35:23  

Additional Information
 Earth MOID = 1.26801 au 
 Jupiter MOID = 2.65771 au 
 T_jup = 3.478 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457204.5 (2015-Jul-01.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08243074362333874 1.1488e-07  
q 2.259376880990787 2.833e-07 au
tp 2456547.322254728734
(2013-Sep-11.82225473)		 0.00020673 TDB
node 221.2583486620651 7.0912e-05 deg
peri 180.3587143191502 8.8674e-05 deg
i 5.595069435278953 1.2176e-05 deg
   Orbit Determination Parameters
   # obs. used (total)      79  
   data-arc span      4988 days (13.66 yr)  
   first obs. used      2005-09-29  
   last obs. used      2019-05-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49328  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:35:23  

Additional Information
 Jupiter MOID = 2.65771 au 
 T_jup = 3.478 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.319740348108293E-14 -3.237537667750957E-14 -2.99907739689147E-12 1.199465085112663E-13 -1.20381866699087E-12 -3.264778338140062E-15
q -3.237537667750957E-14 8.026138523610789E-14 1.0866341643457E-11 -3.024655429779814E-13 3.890554845895225E-12 1.056789699315168E-14
tp -2.99907739689147E-12 1.0866341643457E-11 4.273597694782705E-8 -9.699123719005476E-11 1.100530258533344E-8 1.138302772351273E-11
node 1.199465085112663E-13 -3.024655429779814E-13 -9.699123719005476E-11 5.02855357919658E-9 -5.031556685704674E-9 -2.689739732864799E-10
peri -1.20381866699087E-12 3.890554845895225E-12 1.100530258533344E-8 -5.031556685704674E-9 7.863028746140803E-9 2.708609807619715E-10
i -3.264778338140062E-15 1.056789699315168E-14 1.138302772351273E-11 -2.689739732864799E-10 2.708609807619715E-10 1.482462192589695E-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 17.9   n/a MPO477036  

434564 (2005 TJ157)          Discovered 2005-Oct-09 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-06-04
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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