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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1894606932349999 6.1833e-08  
a 2.348021441165142 2.0111e-08 au
q 1.903163671191351 1.4696e-07 au
i 1.95925979621518 5.6125e-06 deg
node 126.8081052818489 0.00019455 deg
peri 202.7566886882686 0.00019539 deg
M 127.2640000568699 1.8309e-05 deg
tp 2458535.926339694538
(2019-Feb-21.42633969)
6.4229e-05 TDB
period 1314.169895926811
3.60
1.6884e-05
4.623e-08
d
yr
n .273937183552749 3.5194e-09 deg/d
Q 2.792879211138933 2.3921e-08 au
  Orbit Determination Parameters
   # obs. used (total)      153  
   data-arc span      5637 days (15.43 yr)  
   first obs. used      2004-06-27  
   last obs. used      2019-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62389  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 22:52:11  

Additional Information
 Earth MOID = .892253 au 
 Jupiter MOID = 2.55384 au 
 T_jup = 3.534 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457322.5 (2015-Oct-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1905875896720642 6.1957e-08  
q 1.900033622853068 1.4735e-07 au
tp 2457222.193673906616
(2015-Jul-18.69367391)
5.8953e-05 TDB
node 126.8455948278155 0.00019464 deg
peri 202.7425590897924 0.00019546 deg
i 1.959253610291958 5.6142e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      153  
   data-arc span      5637 days (15.43 yr)  
   first obs. used      2004-06-27  
   last obs. used      2019-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62389  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 22:52:11  

Additional Information
 Jupiter MOID = 2.55384 au 
 T_jup = 3.534 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.838629722411182E-15 -9.07384869339918E-15 1.284283223423911E-12 5.072324936201086E-14 2.534156959150312E-13 -2.511780110142336E-15
q -9.07384869339918E-15 2.171222847278885E-14 -2.879370131621267E-12 -1.168029977218641E-13 -5.463928378105629E-13 6.227006994607828E-15
tp 1.284283223423911E-12 -2.879370131621267E-12 3.475427292199647E-9 2.767535651156531E-11 1.089408309537476E-9 -1.864498301836032E-12
node 5.072324936201086E-14 -1.168029977218641E-13 2.767535651156531E-11 3.788286717086604E-8 -3.785270463858545E-8 3.638876416379774E-10
peri 2.534156959150312E-13 -5.463928378105629E-13 1.089408309537476E-9 -3.785270463858545E-8 3.820296840843166E-8 -3.642480800578185E-10
i -2.511780110142336E-15 6.227006994607828E-15 -1.864498301836032E-12 3.638876416379774E-10 -3.642480800578185E-10 3.151976158795948E-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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