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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2935911296786228 1.0593e-07  
a 2.370582455951225 2.7753e-08 au
q 1.67460047471218 2.524e-07 au
i 22.96760096060148 1.0556e-05 deg
node 99.32277510542968 3.2138e-05 deg
peri 248.4619498337987 3.7251e-05 deg
M 180.2443491151026 3.0843e-05 deg
tp 2458066.173206776456
(2017-Nov-08.67320678)
0.00012239 JED
period 1333.156166495004
3.65
2.3411e-05
6.41e-08
d
yr
n .2700358810524612 4.7421e-09 deg/d
Q 3.066564437190269 3.5901e-08 au
  Orbit Determination Parameters
   # obs. used (total)      455  
   data-arc span      5591 days (15.31 yr)  
   first obs. used      1999-10-07  
   last obs. used      2015-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49401  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 17:32:41  

Additional Information
 Earth MOID = .781673 au 
 Jupiter MOID = 2.57592 au 
 T_jup = 3.383 
[ 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 14.7 mag n/a MPO351370  

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