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438525 (2007 TU)
Classification: Main-belt Asteroid          SPK-ID: 2438525
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3194111136484358 2.0303e-07  
a 2.575391660106769 5.3413e-08 au
q 1.752782941871172 5.5784e-07 au
i 6.554472496604291 5.5864e-06 deg
node 29.97158633329525 5.3394e-05 deg
peri 297.2950509825695 6.0394e-05 deg
M 56.85673684061859 1.9756e-05 deg
tp 2458762.079944721631
(2019-Oct-05.57994472)
7.7869e-05 TDB
period 1509.605099934167
4.13
4.6963e-05
1.286e-07
d
yr
n .2384729622440327 7.4188e-09 deg/d
Q 3.398000378342366 7.0473e-08 au
  Orbit Determination Parameters
   # obs. used (total)      219  
   data-arc span      4316 days (11.82 yr)  
   first obs. used      2007-09-12  
   last obs. used      2019-07-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50747  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:38:37  

Additional Information
 Earth MOID = .753747 au 
 Jupiter MOID = 2.00656 au 
 T_jup = 3.345 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456798.5 (2014-May-21.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3202577155053757 2.0223e-07  
q 1.749677064385342 5.5582e-07 au
tp 2457254.161174017157
(2015-Aug-19.66117402)
5.9756e-05 TDB
node 29.99116045814332 5.3349e-05 deg
peri 297.5232129862954 6.0353e-05 deg
i 6.55973666176041 5.5924e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      219  
   data-arc span      4316 days (11.82 yr)  
   first obs. used      2007-09-12  
   last obs. used      2019-07-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50747  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:38:37  

Additional Information
 Jupiter MOID = 2.00656 au 
 T_jup = 3.345 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.08984793863067E-14 -1.123858007816452E-13 -1.65260703361942E-12 4.543557598749522E-14 -8.304457739356637E-13 -4.700434629661501E-13
q -1.123858007816452E-13 3.089383584001372E-13 4.312572875251783E-12 -1.175502321930786E-13 2.160304234007679E-12 1.291343238180943E-12
tp -1.65260703361942E-12 4.312572875251783E-12 3.570788577198296E-9 -9.946064858311194E-11 1.711432616559921E-9 3.113098369942145E-11
node 4.543557598749522E-14 -1.175502321930786E-13 -9.946064858311194E-11 2.846097679999242E-9 -2.872414309249983E-9 -8.777651494748717E-11
peri -8.304457739356637E-13 2.160304234007679E-12 1.711432616559921E-9 -2.872414309249983E-9 3.642524816059414E-9 1.01981788290535E-10
i -4.700434629661501E-13 1.291343238180943E-12 3.113098369942145E-11 -8.777651494748717E-11 1.01981788290535E-10 3.127482246177067E-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 17.5   n/a MPO477058  

438525 (2007 TU)          Discovered 2007-Sep-12 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-07-06

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