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212778 (2007 TW141)
Classification: Main-belt Asteroid          SPK-ID: 2212778
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1218133787651784 5.5593e-08  
a 2.371721103447425 1.4852e-08 au
q 2.082813742347817 1.288e-07 au
i 2.063284022815723 5.5653e-06 deg
node 116.595018069478 0.0001421 deg
peri 62.8937292707659 0.00014478 deg
M 29.99190207819562 2.3054e-05 deg
tp 2458889.353609755497
(2020-Feb-09.85360976)
8.5663e-05 TDB
period 1334.116802052068
3.65
1.2532e-05
3.431e-08
d
yr
n .2698414407541131 2.5347e-09 deg/d
Q 2.660628464547033 1.6661e-08 au
  Orbit Determination Parameters
   # obs. used (total)      226  
   data-arc span      6056 days (16.58 yr)  
   first obs. used      2003-09-26  
   last obs. used      2020-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59931  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 08:50:22  

Additional Information
 Earth MOID = 1.08713 au 
 Jupiter MOID = 2.29816 au 
 T_jup = 3.533 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457402.5 (2016-Jan-15.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1226002215433163 5.5573e-08  
q 2.081175716460276 1.2895e-07 au
tp 2457555.280941607775
(2016-Jun-15.78094161)
8.8537e-05 TDB
node 116.6092880953906 0.0001421 deg
peri 62.98382467313235 0.00014475 deg
i 2.063312689602971 5.5661e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      226  
   data-arc span      6056 days (16.58 yr)  
   first obs. used      2003-09-26  
   last obs. used      2020-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59931  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 08:50:22  

Additional Information
 Jupiter MOID = 2.29816 au 
 T_jup = 3.533 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.088363752103812E-15 -7.132009030852613E-15 -4.670212472450342E-13 -4.59049929587353E-15 -5.955517050540138E-14 -2.518854328331707E-15
q -7.132009030852613E-15 1.662720174277566E-14 6.984522482821202E-13 1.252128251600589E-14 1.375813335820469E-14 5.968693312203194E-15
tp -4.670212472450342E-13 6.984522482821202E-13 7.838823381142098E-9 -2.655293733786356E-11 2.457412918687807E-9 -1.036495647186564E-12
node -4.59049929587353E-15 1.252128251600589E-14 -2.655293733786356E-11 2.019321838682343E-8 -2.018847334802019E-8 2.685456200308442E-10
peri -5.955517050540138E-14 1.375813335820469E-14 2.457412918687807E-9 -2.018847334802019E-8 2.095281250666952E-8 -2.687555577423493E-10
i -2.518854328331707E-15 5.968693312203194E-15 -1.036495647186564E-12 2.685456200308442E-10 -2.687555577423493E-10 3.098115143990691E-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 MPO418139  

212778 (2007 TW141)          Discovered 2007-Oct-09 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

Alternate Designations
 2007 TW141 = 2003 SQ379 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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