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74877 (1999 TU103)
Classification: Main-belt Asteroid          SPK-ID: 2074877
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09024214867160284 4.1903e-08  
a 2.265927695614363 9.8e-09 au
q 2.061445511627629 9.748e-08 au
i 8.350611285828077 4.9731e-06 deg
node 351.6348032932216 2.9513e-05 deg
peri 81.52307503145845 4.0976e-05 deg
M 332.4258216146021 2.9018e-05 deg
tp 2459095.926188678307
(2020-Sep-03.42618868)
0.00010064 TDB
period 1245.854996803198
3.41
8.0824e-06
2.213e-08
d
yr
n .2889581860840483 1.8746e-09 deg/d
Q 2.470409879601096 1.0684e-08 au
  Orbit Determination Parameters
   # obs. used (total)      558  
   data-arc span      9737 days (26.66 yr)  
   first obs. used      1994-03-06  
   last obs. used      2020-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5905  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 04:09:29  

Additional Information
 Earth MOID = 1.09503 au 
 Jupiter MOID = 2.7198 au 
 T_jup = 3.597 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457379.5 (2015-Dec-23.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09024394890033213 4.1905e-08  
q 2.061617281883493 9.752e-08 au
tp 2457847.268935906993
(2017-Apr-03.76893591)
9.8014e-05 TDB
node 351.7225743715074 2.9488e-05 deg
peri 80.77052226565687 4.0968e-05 deg
i 8.354323378174033 4.9753e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      558  
   data-arc span      9737 days (26.66 yr)  
   first obs. used      1994-03-06  
   last obs. used      2020-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5905  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 04:09:29  

Additional Information
 Jupiter MOID = 2.7198 au 
 T_jup = 3.597 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.755988899407857E-15 -4.070213306201908E-15 -7.373824327009145E-13 -1.321460513590672E-15 -1.556334451175529E-13 -1.345671750071637E-15
q -4.070213306201908E-15 9.510088018109238E-15 1.929766273092861E-12 2.096767837956877E-15 4.140002072773779E-13 3.138447505125052E-15
tp -7.373824327009145E-13 1.929766273092861E-12 9.60671069437135E-9 -1.118187291111323E-11 2.796296092288137E-9 -1.610831114711999E-12
node -1.321460513590672E-15 2.096767837956877E-15 -1.118187291111323E-11 8.695389679927223E-10 -8.62600098366529E-10 1.955636309457097E-11
peri -1.556334451175529E-13 4.140002072773779E-13 2.796296092288137E-9 -8.62600098366529E-10 1.678356542247777E-9 -1.981298185782834E-11
i -1.345671750071637E-15 3.138447505125052E-15 -1.610831114711999E-12 1.955636309457097E-11 -1.981298185782834E-11 2.475382852278807E-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 15.8   n/a MPO439564  

74877 (1999 TU103)          Discovered 1999-Oct-03 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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