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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 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2936772075053437 1.112e-07  
a 2.368875224976942 2.8541e-08 AU
q 1.673190563977121 2.6577e-07 AU
i 22.99540662761558 1.0918e-05 deg
node 99.38945066839828 3.3507e-05 deg
peri 248.2016511153902 3.834e-05 deg
M 18.39765526411835 2.7127e-05 deg
tp 2456732.443175433327
(2014-Mar-15.94317543)
9.9663e-05 JED
period 1331.716269941544
3.65
2.4067e-05
6.589e-08
d
yr
n .2703278529560972 4.8854e-09 deg/d
Q 3.064559885976764 3.6922e-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      .54825  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-06 11:18:05  

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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