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JPL Small-Body Database Browser
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441549 (2008 TM68)
Classification: Main-belt Asteroid          SPK-ID: 2441549
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1893045130044393 9.4136e-08  
a 2.347499590450341 2.5651e-08 au
q 1.903107323702018 2.2947e-07 au
i 1.959178159067381 7.2387e-06 deg
node 126.8124712939473 0.00023066 deg
peri 202.6923966882676 0.00023168 deg
M 17.74694418418004 1.8911e-05 deg
tp 2458535.736874885399
(2019-Feb-21.23687489)
6.8894e-05 TDB
period 1313.731806405277
3.60
2.1533e-05
5.895e-08
d
yr
n .2740285332552439 4.4915e-09 deg/d
Q 2.791891857198664 3.0507e-08 au
  Orbit Determination Parameters
   # obs. used (total)      129  
   data-arc span      5075 days (13.89 yr)  
   first obs. used      2004-06-27  
   last obs. used      2018-05-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62256  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-31 17:30:14  

Additional Information
 Earth MOID = .891283 au 
 Jupiter MOID = 2.55162 au 
 T_jup = 3.535 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457100.5 (2015-Mar-19.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1905685603553409 9.4406e-08  
q 1.900001343388775 2.3042e-07 au
tp 2457222.253055103103
(2015-Jul-18.75305510)
6.9365e-05 TDB
node 126.8459138887451 0.00023076 deg
peri 202.7662622513965 0.00023175 deg
i 1.959246141191173 7.2419e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      129  
   data-arc span      5075 days (13.89 yr)  
   first obs. used      2004-06-27  
   last obs. used      2018-05-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62256  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-31 17:30:14  

Additional Information
 Jupiter MOID = 2.55162 au 
 T_jup = 3.535 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.912401251949166E-15 -2.16759486152052E-14 3.55951138717803E-12 5.766153897906586E-15 9.702832352302403E-13 -1.133526722588599E-14
q -2.16759486152052E-14 5.309169139821166E-14 -8.673376875102827E-12 -2.142961306402088E-15 -2.392867140144447E-12 2.842091720027733E-14
tp 3.55951138717803E-12 -8.673376875102827E-12 4.811475237599571E-9 2.017681370402075E-11 1.540457463813626E-9 -5.843308656671426E-12
node 5.766153897906586E-15 -2.142961306402088E-15 2.017681370402075E-11 5.325084123114844E-8 -5.321337422980036E-8 9.269067269347875E-10
peri 9.702832352302403E-13 -2.392867140144447E-12 1.540457463813626E-9 -5.321337422980036E-8 5.370948132084022E-8 -9.281547463062465E-10
i -1.133526722588599E-14 2.842091720027733E-14 -5.843308656671426E-12 9.269067269347875E-10 -9.281547463062465E-10 5.244565181800583E-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 17.5   n/a MPO450444  

441549 (2008 TM68)          Discovered 2008-Oct-02 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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