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74876 (1999 TN103)
Classification: Main-belt Asteroid          SPK-ID: 2074876
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 .09785492383577535 4.0148e-08  
a 2.26246623033362 9.1798e-09 au
q 2.04107276968331 8.9367e-08 au
i 7.453463074741165 4.6303e-06 deg
node 346.5089622876609 2.659e-05 deg
peri 222.4483219145077 3.3325e-05 deg
M 189.5377383042315 2.0193e-05 deg
tp 2459589.068928025537
(2022-Jan-09.56892803)
7.0689e-05 TDB
period 1243.001307042103
3.40
7.5651e-06
2.071e-08
d
yr
n .2896215779987157 1.7627e-09 deg/d
Q 2.483859690983931 1.0078e-08 au
  Orbit Determination Parameters
   # obs. used (total)      984  
   data-arc span      7711 days (21.11 yr)  
   first obs. used      1999-09-18  
   last obs. used      2020-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50735  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:41:59  

Additional Information
 Earth MOID = 1.04409 au 
 Jupiter MOID = 2.49648 au 
 T_jup = 3.601 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457186.5 (2015-Jun-13.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09739267774245439 4.0205e-08  
q 2.042236830971921 8.9444e-08 au
tp 2457102.990613242603
(2015-Mar-21.49061324)
6.8178e-05 TDB
node 346.5591812676083 2.6581e-05 deg
peri 222.4944235300877 3.3368e-05 deg
i 7.454622697086192 4.6309e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      984  
   data-arc span      7711 days (21.11 yr)  
   first obs. used      1999-09-18  
   last obs. used      2020-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50735  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:41:59  

Additional Information
 Jupiter MOID = 2.49648 au 
 T_jup = 3.601 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.61640990806108E-15 -3.58126928731797E-15 -7.341352097187306E-13 1.676221542189239E-15 -2.401062023169159E-13 -4.640252043849744E-15
q -3.58126928731797E-15 8.000214295919009E-15 1.703033628379577E-12 -4.092523536789657E-15 5.551879342394975E-13 1.034375982270111E-14
tp -7.341352097187306E-13 1.703033628379577E-12 4.648275462248542E-9 4.184553597951539E-12 1.38310958260258E-9 2.056679768748311E-12
node 1.676221542189239E-15 -4.092523536789657E-15 4.184553597951539E-12 7.065511921187441E-10 -6.988027961405703E-10 1.102523579551687E-11
peri -2.401062023169159E-13 5.551879342394975E-13 1.38310958260258E-9 -6.988027961405703E-10 1.113441251621988E-9 -1.030314423127816E-11
i -4.640252043849744E-15 1.034375982270111E-14 2.056679768748311E-12 1.102523579551687E-11 -1.030314423127816E-11 2.144535653063274E-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 15.5   n/a MPO439564  

74876 (1999 TN103)          Discovered 1999-Oct-03 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 TN103 = 2001 CK3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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