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295691 (2008 TM144)
Classification: Main-belt Asteroid          SPK-ID: 2295691
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1572022062143365 4.7868e-08  
a 2.419665035330695 1.3356e-08 au
q 2.039288353477019 1.1291e-07 au
i 13.7708198670489 5.0988e-06 deg
node 17.47894240274616 2.2098e-05 deg
peri 84.7915274591662 2.9962e-05 deg
M 14.90292802105407 1.777e-05 deg
tp 2459143.588451386423
(2020-Oct-21.08845139)
6.7827e-05 TDB
period 1374.773968708899
3.76
1.1383e-05
3.116e-08
d
yr
n .2618612282410973 2.1682e-09 deg/d
Q 2.800041717184371 1.5456e-08 au
  Orbit Determination Parameters
   # obs. used (total)      311  
   data-arc span      10034 days (27.47 yr)  
   first obs. used      1993-09-19  
   last obs. used      2021-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55089  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 05:15:32  

Additional Information
 Earth MOID = 1.10851 au 
 Jupiter MOID = 2.44108 au 
 T_jup = 3.459 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458039.5 (2017-Oct-13.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1557250917371435 4.7778e-08  
q 2.043394665485579 1.1246e-07 au
tp 2457768.556691117850
(2017-Jan-15.05669112)
6.9242e-05 TDB
node 17.53499959534898 2.2065e-05 deg
peri 84.74415107064731 3.0152e-05 deg
i 13.78045671199262 5.1016e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      311  
   data-arc span      10034 days (27.47 yr)  
   first obs. used      1993-09-19  
   last obs. used      2021-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55089  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 05:15:32  

Additional Information
 Jupiter MOID = 2.44108 au 
 T_jup = 3.459 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.282737381572595E-15 -5.348406350480122E-15 1.050649163431558E-12 6.881285227867994E-15 3.094402946067356E-13 -1.973310225872777E-14
q -5.348406350480122E-15 1.264740667263958E-14 -2.616852453980788E-12 -1.50277393224637E-14 -7.661455299841559E-13 4.659316177221884E-14
tp 1.050649163431558E-12 -2.616852453980788E-12 4.794428086906614E-9 -6.716649500577963E-12 1.447500744473704E-9 -1.661313506021149E-11
node 6.881285227867994E-15 -1.50277393224637E-14 -6.716649500577963E-12 4.868656232069E-10 -4.749351961480221E-10 -3.413817581845064E-11
peri 3.094402946067356E-13 -7.661455299841559E-13 1.447500744473704E-9 -4.749351961480221E-10 9.091248645575683E-10 2.825009884601389E-11
i -1.973310225872777E-14 4.659316177221884E-14 -1.661313506021149E-11 -3.413817581845064E-11 2.825009884601389E-11 2.602672867118209E-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 17.10   n/a MPCxxxxx  

295691 (2008 TM144)          Discovered 2008-Oct-09 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

Alternate Designations
 2008 TM144 = 2006 DQ195 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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