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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2936772196836604 1.0813e-07  
a 2.368875215875814 2.8218e-08 AU
q 1.673190528699874 2.5824e-07 AU
i 22.99539620981497 1.0574e-05 deg
node 99.3894489783966 3.2844e-05 deg
peri 248.2016518198982 3.7875e-05 deg
M 18.39765329447685 2.9107e-05 deg
tp 2456732.443183111656
(2014-Mar-15.94318311)
0.00010691 JED
period 1331.71626226694
3.65
2.3795e-05
6.515e-08
d
yr
n .2703278545139811 4.8302e-09 deg/d
Q 3.064559903051754 3.6505e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      380  
   data-arc span      4997 days (13.68 yr)  
   first obs. used      1999-10-07  
   last obs. used      2013-06-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53744  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-10 13:59:18  

Additional Information
 Earth MOID = .780458 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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