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74820 (1999 TN11)
Classification: Main-belt Asteroid          SPK-ID: 2074820
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2936601563217746 1.0754e-07  
a 2.369212967181211 2.7712e-08 AU
q 1.673469516879202 2.5649e-07 AU
i 22.99437156706531 1.0573e-05 deg
node 99.39039420433842 3.2695e-05 deg
peri 248.2341285768032 3.7772e-05 deg
M 72.43318373591335 2.9673e-05 deg
tp 2456732.497002050425
(2014-Mar-15.99700205)
0.0001068 JED
period 1332.001084110989
3.65
2.337e-05
6.398e-08
d
yr
n .2702700502982496 4.7419e-09 deg/d
Q 3.064956417483221 3.585e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      401  
   data-arc span      5521 days (15.12 yr)  
   first obs. used      1999-10-07  
   last obs. used      2014-11-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52354  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 05:31:04  

Additional Information
 Earth MOID = .782388 AU 
 T_jup = 3.384 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.6 mag n/a MPO263910  

74820 (1999 TN11)          Discovered 1999-Oct-07 by McNaught, R. H. at Siding Spring (413)
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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