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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2938679639286427 1e-07  
a 2.369860895960116 2.5948e-08 au
q 1.673434699670207 2.3632e-07 au
i 22.96473544236007 8.1388e-06 deg
node 99.26405555422097 2.886e-05 deg
peri 248.5763325370978 3.3725e-05 deg
M 234.1748506541919 3.103e-05 deg
tp 2458066.244422820769
(2017-Nov-08.74442282)
0.00012064 JED
period 1332.547531929972
3.65
2.1885e-05
5.992e-08
d
yr
n .2701592186198418 4.437e-09 deg/d
Q 3.066287092250024 3.3573e-08 au
  Orbit Determination Parameters
   # obs. used (total)      522  
   data-arc span      6035 days (16.52 yr)  
   first obs. used      1999-10-07  
   last obs. used      2016-04-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51633  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 15:15:16  

Additional Information
 Earth MOID = .782101 au 
 Jupiter MOID = 2.57832 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 14.7 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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