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442667 (2012 TF275)
Classification: Main-belt Asteroid          SPK-ID: 2442667
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1326894854296941 5.6701e-08  
a 2.270437441132586 2.435e-08 au
q 1.969174265368391 1.2803e-07 au
i 7.132053454483867 6.0786e-06 deg
node 246.9671028021762 4.527e-05 deg
peri 42.831726024048 5.3142e-05 deg
M 161.6726009990291 2.6879e-05 deg
tp 2458439.327136968182
(2018-Nov-16.82713697)
8.9676e-05 TDB
period 1249.576177058398
3.42
2.0102e-05
5.504e-08
d
yr
n .2880976819256179 4.6347e-09 deg/d
Q 2.57170061689678 2.7581e-08 au
  Orbit Determination Parameters
   # obs. used (total)      99  
   data-arc span      3645 days (9.98 yr)  
   first obs. used      2009-12-10  
   last obs. used      2019-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56458  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 22:53:20  

Additional Information
 Earth MOID = .959654 au 
 Jupiter MOID = 2.57297 au 
 T_jup = 3.591 
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Orbital Elements at Epoch 2457455.5 (2016-Mar-08.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1330712430776642 5.6505e-08  
q 1.96807258026687 1.2759e-07 au
tp 2457190.658624342406
(2015-Jun-17.15862434)
8.4486e-05 TDB
node 246.9808155965054 4.5298e-05 deg
peri 42.97847741206664 5.3162e-05 deg
i 7.129850923242674 6.0772e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      99  
   data-arc span      3645 days (9.98 yr)  
   first obs. used      2009-12-10  
   last obs. used      2019-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56458  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 22:53:20  

Additional Information
 Jupiter MOID = 2.57297 au 
 T_jup = 3.591 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.192794513221113E-15 -7.111470747886409E-15 -7.102679159443664E-13 5.848700197828735E-14 -3.697379856153007E-13 -1.171319637386918E-14
q -7.111470747886409E-15 1.627890442805472E-14 1.861849442764158E-12 -1.338234569789327E-13 9.399098773294548E-13 2.710196022222242E-14
tp -7.102679159443664E-13 1.861849442764158E-12 7.137889088019249E-9 1.155384254492501E-11 2.362173122790546E-9 -1.477333714981111E-12
node 5.848700197828735E-14 -1.338234569789327E-13 1.155384254492501E-11 2.05186998103807E-9 -2.034009117356104E-9 1.89729783977013E-11
peri -3.697379856153007E-13 9.399098773294548E-13 2.362173122790546E-9 -2.034009117356104E-9 2.826248133252486E-9 -1.880317001714938E-11
i -1.171319637386918E-14 2.710196022222242E-14 -1.477333714981111E-12 1.89729783977013E-11 -1.880317001714938E-11 3.693235653904585E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.7   n/a MPO503572  

442667 (2012 TF275)          Discovered 2009-Dec-10 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02

Alternate Designations
 2012 TF275 = 2009 XU4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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