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212789 (2007 TH226)
Classification: Main-belt Asteroid          SPK-ID: 2212789
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08882520076959308 4.8514e-08  
a 2.309836947016483 1.7432e-08 au
q 2.10466521645272 1.1241e-07 au
i 7.077567991927999 5.6296e-06 deg
node 339.3358801800909 3.9649e-05 deg
peri 78.2042424191178 5.1769e-05 deg
M 183.2072714710172 3.4957e-05 deg
tp 2459630.197994866288
(2022-Feb-19.69799487)
0.00012833 TDB
period 1282.243223678177
3.51
1.4515e-05
3.974e-08
d
yr
n .2807579664701385 3.1782e-09 deg/d
Q 2.515008677580246 1.898e-08 au
  Orbit Determination Parameters
   # obs. used (total)      262  
   data-arc span      7208 days (19.73 yr)  
   first obs. used      2000-09-26  
   last obs. used      2020-06-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5684  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 03:58:46  

Additional Information
 Earth MOID = 1.12943 au 
 Jupiter MOID = 2.7256 au 
 T_jup = 3.570 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457531.5 (2016-May-23.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08858532672745122 4.8335e-08  
q 2.105794821501288 1.1187e-07 au
tp 2457067.218774259369
(2015-Feb-13.71877426)
0.00011559 TDB
node 339.3620691214618 3.9632e-05 deg
peri 78.63799140686959 5.1865e-05 deg
i 7.078554661280822 5.6303e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      262  
   data-arc span      7208 days (19.73 yr)  
   first obs. used      2000-09-26  
   last obs. used      2020-06-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5684  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 03:58:46  

Additional Information
 Jupiter MOID = 2.7256 au 
 T_jup = 3.570 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.336307087745965E-15 -5.352435738284246E-15 -1.531850267992042E-12 1.245785645024894E-14 -4.801805949208718E-13 1.72464977392899E-15
q -5.352435738284246E-15 1.251386638158308E-14 4.183317866457365E-12 -3.024113087401223E-14 1.31143907649078E-12 -3.652116801924645E-15
tp -1.531850267992042E-12 4.183317866457365E-12 1.336026956727344E-8 -5.34720060285368E-11 3.883739546326067E-9 -4.55845113112313E-12
node 1.245785645024894E-14 -3.024113087401223E-14 -5.34720060285368E-11 1.570721323584282E-9 -1.573690988282508E-9 5.360869991949858E-11
peri -4.801805949208718E-13 1.31143907649078E-12 3.883739546326067E-9 -1.573690988282508E-9 2.689990332564619E-9 -5.451928664842748E-11
i 1.72464977392899E-15 -3.652116801924645E-15 -4.55845113112313E-12 5.360869991949858E-11 -5.451928664842748E-11 3.169995339129072E-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 17.0   n/a MPO418139  

212789 (2007 TH226)          Discovered 2007-Oct-08 by CSS at Catalina
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

Alternate Designations
 2007 TH226 = 2004 XT181 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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