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154945 (2004 TM64)
Classification: Main-belt Asteroid          SPK-ID: 2154945
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .007401048987640434 3.9525e-08  
a 2.919356523077395 2.1887e-08 au
q 2.897750222437712 1.1856e-07 au
i 2.370125233611465 4.4161e-06 deg
node 168.2121477012943 0.0001091 deg
peri 277.5262375561938 0.00034451 deg
M 65.27675605334817 0.00032476 deg
tp 2459066.141721819178
(2020-Aug-04.64172182)
0.0016443 TDB
period 1821.919276256617
4.99
2.0489e-05
5.61e-08
d
yr
n .1975938257482348 2.2221e-09 deg/d
Q 2.940962823717078 2.2049e-08 au
  Orbit Determination Parameters
   # obs. used (total)      444  
   data-arc span      7406 days (20.28 yr)  
   first obs. used      2000-12-26  
   last obs. used      2021-04-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51297  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 01:52:41  

Additional Information
 Earth MOID = 1.91265 au 
 Jupiter MOID = 2.03921 au 
 T_jup = 3.279 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457487.5 (2016-Apr-09.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .00454297811248929 3.9333e-08  
q 2.905483002203675 1.1755e-07 au
tp 2457249.738597083544
(2015-Aug-15.23859708)
0.0027048 TDB
node 168.2463831330805 0.00010905 deg
peri 278.6248255086697 0.00054661 deg
i 2.368967439766374 4.4207e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      444  
   data-arc span      7406 days (20.28 yr)  
   first obs. used      2000-12-26  
   last obs. used      2021-04-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51297  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 01:52:41  

Additional Information
 Jupiter MOID = 2.03921 au 
 T_jup = 3.279 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.547084191931726E-15 -4.543793565119054E-15 -1.123845574142339E-12 -3.158857265026302E-15 -2.318903790211109E-13 -2.428672918297531E-16
q -4.543793565119054E-15 1.381691880899127E-14 -9.518217010144609E-12 1.111097079141522E-14 -1.84824125410933E-12 9.053610695043877E-16
tp -1.123845574142339E-12 -9.518217010144609E-12 7.315885685115241E-6 -3.435685909598724E-10 1.448766895068888E-6 -6.845264529003385E-12
node -3.158857265026302E-15 1.111097079141522E-14 -3.435685909598724E-10 1.18916829734371E-8 -1.19491522878051E-8 5.580955378746148E-12
peri -2.318903790211109E-13 -1.84824125410933E-12 1.448766895068888E-6 -1.19491522878051E-8 2.987808683421951E-7 -6.919102399763073E-12
i -2.428672918297531E-16 9.053610695043877E-16 -6.845264529003385E-12 5.580955378746148E-12 -6.919102399763073E-12 1.954218265991538E-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 15.93   n/a MPCxxxxx  

154945 (2004 TM64)          Discovered 2004-Oct-05 by Spacewatch at Kitt Peak
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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