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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 ]

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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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1570877067483493 5.6873e-08  
a 2.419270479718791 1.8457e-08 au
q 2.039232828055787 1.4129e-07 au
i 13.77134101279838 6.8548e-06 deg
node 17.48399520212284 2.3786e-05 deg
peri 84.82398165700883 3.1683e-05 deg
M 322.4941459582063 2.1626e-05 deg
tp 2459143.692946102851
(2020-Oct-21.19294610)
8.3273e-05 TDB
period 1374.437722164209
3.76
1.5729e-05
4.306e-08
d
yr
n .2619252907531809 2.9974e-09 deg/d
Q 2.799308131381794 2.1357e-08 au
  Orbit Determination Parameters
   # obs. used (total)      183  
   data-arc span      9531 days (26.09 yr)  
   first obs. used      1993-09-19  
   last obs. used      2019-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60102  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 16:41:44  

Additional Information
 Earth MOID = 1.10865 au 
 Jupiter MOID = 2.44204 au 
 T_jup = 3.459 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457355.5 (2015-Nov-29.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1557672747690533 5.6683e-08  
q 2.043106549250975 1.407e-07 au
tp 2457768.099804234681
(2017-Jan-14.59980423)
7.8816e-05 TDB
node 17.534932690495 2.375e-05 deg
peri 84.59586946162977 3.1857e-05 deg
i 13.78055348956652 6.858e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      183  
   data-arc span      9531 days (26.09 yr)  
   first obs. used      1993-09-19  
   last obs. used      2019-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60102  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 16:41:44  

Additional Information
 Jupiter MOID = 2.44204 au 
 T_jup = 3.459 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.212931422611081E-15 -7.927089912091028E-15 -4.206960859262927E-14 2.528047225008403E-14 9.777860772623153E-14 -2.34663919001479E-14
q -7.927089912091028E-15 1.979525610647575E-14 4.303460143961313E-13 -6.085853189126718E-14 -1.795808500760746E-13 5.983209652130709E-14
tp -4.206960859262927E-14 4.303460143961313E-13 6.211963675586655E-9 1.843957040622338E-11 1.684928204418539E-9 1.15159513755264E-11
node 2.528047225008403E-14 -6.085853189126718E-14 1.843957040622338E-11 5.64073915411401E-10 -5.415692375293189E-10 -3.328041658322093E-12
peri 9.777860772623153E-14 -1.795808500760746E-13 1.684928204418539E-9 -5.415692375293189E-10 1.014867067509034E-9 5.266249890012908E-12
i -2.34663919001479E-14 5.983209652130709E-14 1.15159513755264E-11 -3.328041658322093E-12 5.266249890012908E-12 4.703269567870122E-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 16.8   n/a MPO494582  

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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