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74834 (1999 TN30)
Classification: Main-belt Asteroid          SPK-ID: 2074834
[ 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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2848554551252426 1.1115e-07  
a 2.53953381716252 1.1169e-08 au
q 1.816133755868746 2.8919e-07 au
i 5.1527928686836 3.8126e-06 deg
node 205.1844780051412 6.1014e-05 deg
peri 111.6492160635506 6.2385e-05 deg
M 68.46861843337861 7.4486e-06 deg
tp 2458719.362685892863
(2019-Aug-23.86268589)		 3.0646e-05 TDB
period 1478.187166534521
4.05		 9.7517e-06
2.67e-08		 d
yr
n .2435415542430856 1.6067e-09 deg/d
Q 3.262933878456294 1.4351e-08 au
   Orbit Determination Parameters
   # obs. used (total)      807  
   data-arc span      10309 days (28.22 yr)  
   first obs. used      1991-11-02  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55391  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 17:22:51  

Additional Information
 Earth MOID = .810773 au 
 Jupiter MOID = 2.0942 au 
 T_jup = 3.383 
[ 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 16.1   n/a MPO290961  

74834 (1999 TN30)          Discovered 1999-Oct-04 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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