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JPL Small-Body Database Browser
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394496 (2007 TZ172)
Classification: Main-belt Asteroid          SPK-ID: 2394496
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1896278300555273 6.4001e-08  
a 2.614088259678328 2.9377e-08 au
q 2.118384375421897 1.6932e-07 au
i 8.425733362790584 7.2952e-06 deg
node 54.03448180139415 4.2893e-05 deg
peri 351.9518868950431 4.7735e-05 deg
M 346.7578242658342 2.8784e-05 deg
tp 2459057.285263194101
(2020-Jul-26.78526319)
0.00012421 TDB
period 1543.756491399879
4.23
2.6023e-05
7.125e-08
d
yr
n .2331973999821383 3.931e-09 deg/d
Q 3.109792143934759 3.4948e-08 au
  Orbit Determination Parameters
   # obs. used (total)      229  
   data-arc span      5707 days (15.62 yr)  
   first obs. used      2003-11-20  
   last obs. used      2019-07-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .601  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:11:01  

Additional Information
 Earth MOID = 1.12851 au 
 Jupiter MOID = 2.287 au 
 T_jup = 3.367 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456862.5 (2014-Jul-24.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1907754467649647 6.4244e-08  
q 2.115473155452841 1.7051e-07 au
tp 2457507.521169201416
(2016-Apr-29.02116920)
0.0001023 TDB
node 54.09044818060178 4.2866e-05 deg
peri 350.9542645338385 4.7613e-05 deg
i 8.431831479386625 7.2983e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      229  
   data-arc span      5707 days (15.62 yr)  
   first obs. used      2003-11-20  
   last obs. used      2019-07-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .601  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:11:01  

Additional Information
 Jupiter MOID = 2.287 au 
 T_jup = 3.367 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.127306373504979E-15 -1.084248251119143E-14 -7.524750228145629E-13 -2.245582448372377E-14 -6.5268104575828E-14 -7.832082581971119E-15
q -1.084248251119143E-14 2.907285685240282E-14 3.806891268075649E-12 6.481251440014017E-14 5.036413891172564E-13 2.304404590958094E-14
tp -7.524750228145629E-13 3.806891268075649E-12 1.046599003753475E-8 3.65227494303347E-11 2.140301785811885E-9 1.401470369086089E-11
node -2.245582448372377E-14 6.481251440014017E-14 3.65227494303347E-11 1.837476067852351E-9 -1.809821795561948E-9 -2.788235498519628E-11
peri -6.5268104575828E-14 5.036413891172564E-13 2.140301785811885E-9 -1.809821795561948E-9 2.26697451203637E-9 3.043219476418175E-11
i -7.832082581971119E-15 2.304404590958094E-14 1.401470369086089E-11 -2.788235498519628E-11 3.043219476418175E-11 5.326578564492223E-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 16.2   n/a MPO446669  

394496 (2007 TZ172)          Discovered 2007-Oct-02 by Astronomical Research Observatory at Charleston
Reference: Last Updated: 2014-05-15

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Alternate Designations
 2007 TZ172 = 2003 WD124 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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