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JPL Small-Body Database Browser
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74993 (1999 TU270)
Classification: Main-belt Asteroid          SPK-ID: 2074993
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09688283155320106 3.9265e-08  
a 2.232023487989425 9.6402e-09 au
q 2.015778732379757 9.1246e-08 au
i 6.214080812925435 4.21e-06 deg
node 276.2336150935964 4.3389e-05 deg
peri 178.8483981019876 5.0159e-05 deg
M 246.1052578313968 2.5025e-05 deg
tp 2458985.843238156375
(2020-May-16.34323816)
8.49e-05 TDB
period 1217.997978615524
3.33
7.8909e-06
2.16e-08
d
yr
n .2955669929840159 1.9148e-09 deg/d
Q 2.448268243599093 1.0574e-08 au
  Orbit Determination Parameters
   # obs. used (total)      659  
   data-arc span      7357 days (20.14 yr)  
   first obs. used      1999-10-03  
   last obs. used      2019-11-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50977  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 06:50:13  

Additional Information
 Earth MOID = 1.03264 au 
 Jupiter MOID = 2.68862 au 
 T_jup = 3.627 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.0   n/a MPO453162  

74993 (1999 TU270)          Discovered 1999-Oct-03 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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