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78678 (2002 TC129)
Classification: Main-belt Asteroid          SPK-ID: 2078678
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1750402462493547 5.8364e-08  
a 2.582333480716227 1.8089e-08 au
q 2.130321192353705 1.5e-07 au
i 6.915552827672839 5.911e-06 deg
node 260.1702718820777 4.8362e-05 deg
peri 63.93991399773464 5.1461e-05 deg
M 125.3372368871675 2.1632e-05 deg
tp 2458472.790963126218
(2018-Dec-20.29096313)
8.7261e-05 TDB
period 1515.712792085748
4.15
1.5926e-05
4.36e-08
d
yr
n .2375120153895448 2.4957e-09 deg/d
Q 3.034345769078748 2.1256e-08 au
  Orbit Determination Parameters
   # obs. used (total)      601  
   data-arc span      9038 days (24.74 yr)  
   first obs. used      1996-02-17  
   last obs. used      2020-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52862  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:06:50  

Additional Information
 Earth MOID = 1.12878 au 
 Jupiter MOID = 2.30771 au 
 T_jup = 3.392 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456875.5 (2014-Aug-06.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1768941675268063 5.8448e-08  
q 2.12473969415764 1.5043e-07 au
tp 2456957.451366880353
(2014-Oct-26.95136688)
7.6292e-05 TDB
node 260.2909244199253 4.8444e-05 deg
peri 63.7805591124902 5.1446e-05 deg
i 6.910434838886363 5.909e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      601  
   data-arc span      9038 days (24.74 yr)  
   first obs. used      1996-02-17  
   last obs. used      2020-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52862  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:06:50  

Additional Information
 Jupiter MOID = 2.30771 au 
 T_jup = 3.392 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.416213379542953E-15 -8.74996759506166E-15 -5.756392081118936E-14 -6.583503275988946E-16 -1.114767691689786E-13 -2.491760409750723E-15
q -8.74996759506166E-15 2.262941971907451E-14 7.734988243051799E-13 1.762837162853792E-15 4.188421142811366E-13 6.958330116118606E-15
tp -5.756392081118936E-14 7.734988243051799E-13 5.820501513219144E-9 2.065493773045086E-12 1.351839564650941E-9 1.994832236936312E-12
node -6.583503275988946E-16 1.762837162853792E-15 2.065493773045086E-12 2.34685183733731E-9 -2.328500880584372E-9 5.297708674286838E-11
peri -1.114767691689786E-13 4.188421142811366E-13 1.351839564650941E-9 -2.328500880584372E-9 2.64664697074911E-9 -5.209914296481533E-11
i -2.491760409750723E-15 6.958330116118606E-15 1.994832236936312E-12 5.297708674286838E-11 -5.209914296481533E-11 3.491612093813085E-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 15.2   n/a MPO453208  
diameter diameter 2.318 km 0.324 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.329   0.099 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78678 (2002 TC129)          Discovered 2002-Oct-04 by NEAT at Palomar
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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