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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08882516699789399 5.3489e-08  
a 2.309836949239363 1.8119e-08 au
q 2.104665296485271 1.2161e-07 au
i 7.077575567435586 7.3287e-06 deg
node 339.3358749599436 3.9832e-05 deg
peri 78.20424683633614 5.846e-05 deg
M 183.2072678893599 4.1302e-05 deg
tp 2459630.198008532376
(2022-Feb-19.69800853)
0.00014902 TDB
period 1282.243225529135
3.51
1.5087e-05
4.131e-08
d
yr
n .2807579660648558 3.3035e-09 deg/d
Q 2.515008601993455 1.9728e-08 au
  Orbit Determination Parameters
   # obs. used (total)      246  
   data-arc span      6674 days (18.27 yr)  
   first obs. used      2000-09-26  
   last obs. used      2019-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63491  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 09:42:10  

Additional Information
 Earth MOID = 1.12943 au 
 Jupiter MOID = 2.7256 au 
 T_jup = 3.570 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457190.5 (2015-Jun-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08804632176399169 5.3127e-08  
q 2.106501440705535 1.2048e-07 au
tp 2457066.542443324894
(2015-Feb-13.04244332)
0.00014562 TDB
node 339.3649814614561 3.9808e-05 deg
peri 78.47359779064907 5.8808e-05 deg
i 7.080048762127389 7.329e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      246  
   data-arc span      6674 days (18.27 yr)  
   first obs. used      2000-09-26  
   last obs. used      2019-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63491  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 09:42:10  

Additional Information
 Jupiter MOID = 2.7256 au 
 T_jup = 3.570 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.822480145313032E-15 -6.342047026895583E-15 -3.463197972286798E-12 1.244199357612731E-14 -1.074739053287748E-12 -5.298993766757079E-15
q -6.342047026895583E-15 1.451646623199434E-14 8.14123618545799E-12 -2.909440894576391E-14 2.528005077017862E-12 1.2012997070641E-14
tp -3.463197972286798E-12 8.14123618545799E-12 2.120617495486221E-8 -7.38161769446252E-11 6.317353543076264E-9 -2.280732793218572E-13
node 1.244199357612731E-14 -2.909440894576391E-14 -7.38161769446252E-11 1.584687334660543E-9 -1.59371427903323E-9 7.153593618012349E-11
peri -1.074739053287748E-12 2.528005077017862E-12 6.317353543076264E-9 -1.59371427903323E-9 3.458384199796179E-9 -7.092766503354626E-11
i -5.298993766757079E-15 1.2012997070641E-14 -2.280732793218572E-13 7.153593618012349E-11 -7.092766503354626E-11 5.371357953122088E-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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