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344923 (2004 TB12)
Classification: Main-belt Asteroid          SPK-ID: 2344923
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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .237877897878255 1.0924e-07  
a 2.470503826120158 4.4117e-08 au
q 1.882825569262509 2.4749e-07 au
i 1.6417613549872 9.9218e-06 deg
node 102.7316975987112 0.00040276 deg
peri 252.5176632517685 0.00040776 deg
M 281.3331127924815 7.285e-05 deg
tp 2458910.431835391734
(2020-Mar-01.93183539)
0.00029496 TDB
period 1418.328151801593
3.88
3.7992e-05
1.04e-07
d
yr
n .253819963696497 6.7989e-09 deg/d
Q 3.058182082977806 5.4611e-08 au
  Orbit Determination Parameters
   # obs. used (total)      145  
   data-arc span      6405 days (17.54 yr)  
   first obs. used      2000-09-03  
   last obs. used      2018-03-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61139  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 19:07:58  

Additional Information
 Earth MOID = .878107 au 
 Jupiter MOID = 2.3822 au 
 T_jup = 3.444 
[ hide covariance matrix ]
Orbital Elements at Epoch 2455916.5 (2011-Dec-21.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2378335686626824 1.127e-07  
q 1.88194690592038 2.5679e-07 au
tp 2456077.973138079972
(2012-May-30.47313808)
0.0002262 TDB
node 102.7466575430418 0.00040299 deg
peri 252.9615051948392 0.00040796 deg
i 1.641462684443484 9.9279e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      145  
   data-arc span      6405 days (17.54 yr)  
   first obs. used      2000-09-03  
   last obs. used      2018-03-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61139  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 19:07:58  

Additional Information
 Jupiter MOID = 2.3822 au 
 T_jup = 3.444 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.270032950186764E-14 -2.883076688283001E-14 2.004017550262813E-11 1.19309404358386E-14 5.312015922579116E-12 -2.625261890413925E-14
q -2.883076688283001E-14 6.594041118047376E-14 -4.296605873680743E-11 -5.873967940006262E-14 -1.129570948559403E-11 5.84558230672833E-14
tp 2.004017550262813E-11 -4.296605873680743E-11 5.116815152183206E-8 -2.088117297076395E-10 1.449691589392443E-8 -5.187225126375737E-11
node 1.19309404358386E-14 -5.873967940006262E-14 -2.088117297076395E-10 1.62397274749007E-7 -1.623927011231716E-7 -2.667346246883967E-9
peri 5.312015922579116E-12 -1.129570948559403E-11 1.449691589392443E-8 -1.623927011231716E-7 1.664306411550165E-7 2.652077952084919E-9
i -2.625261890413925E-14 5.84558230672833E-14 -5.187225126375737E-11 -2.667346246883967E-9 2.652077952084919E-9 9.85632782205983E-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 MPO251951  

344923 (2004 TB12)          Discovered 2004-Oct-07 by Tucker, R. A. at Goodricke-Pigott
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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