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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09700929437583311 3.8792e-08  
a 2.232464086017653 9.5338e-09 au
q 2.015894320313691 9.0438e-08 au
i 6.214112876843036 4.0777e-06 deg
node 276.2332016481103 4.2729e-05 deg
peri 178.7322615669871 4.9503e-05 deg
M 4.432669313703128 2.4837e-05 deg
tp 2458985.498386196854
(2020-May-15.99838620)
8.4048e-05 TDB
period 1218.358642824344
3.34
7.8045e-06
2.137e-08
d
yr
n .2954794978639986 1.8928e-09 deg/d
Q 2.449033851721615 1.0459e-08 au
  Orbit Determination Parameters
   # obs. used (total)      667  
   data-arc span      7420 days (20.31 yr)  
   first obs. used      1999-10-03  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50789  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 17:25:21  

Additional Information
 Earth MOID = 1.03268 au 
 Jupiter MOID = 2.68693 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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