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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08995492620480643 4.6671e-08  
a 2.26651994642172 1.1464e-08 au
q 2.062635311899632 1.1039e-07 au
i 8.349263453668824 5.3821e-06 deg
node 351.6475076321016 2.9646e-05 deg
peri 81.35031983937516 4.3466e-05 deg
M 216.9974719105805 3.3416e-05 deg
tp 2459095.584077900595
(2020-Sep-03.08407790)
0.00011759 TDB
period 1246.343476758445
3.41
9.4561e-06
2.589e-08
d
yr
n .2888449345731778 2.1915e-09 deg/d
Q 2.470404580943808 1.2495e-08 au
  Orbit Determination Parameters
   # obs. used (total)      514  
   data-arc span      9372 days (25.66 yr)  
   first obs. used      1994-03-06  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61303  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 06:49:54  

Additional Information
 Earth MOID = 1.0959 au 
 Jupiter MOID = 2.72135 au 
 T_jup = 3.596 
[ show covariance matrix ]

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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