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85405 (1996 TO39)
Classification: Main-belt Asteroid          SPK-ID: 2085405
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1807955759177128 5.0905e-08  
a 2.52362757354923 7.6224e-09 au
q 2.067366872987577 1.2985e-07 au
i 3.024853323895822 2.8189e-06 deg
node 91.07644831707941 9.1344e-05 deg
peri 289.606264350784 9.1729e-05 deg
M 50.36307125733963 8.8869e-06 deg
tp 2459191.645254685510
(2020-Dec-08.14525469)
3.6014e-05 TDB
period 1464.321108146649
4.01
6.6343e-06
1.816e-08
d
yr
n .2458477160488672 1.1138e-09 deg/d
Q 2.979888274110884 9.0005e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1545  
   data-arc span      10881 days (29.79 yr)  
   first obs. used      1991-06-05  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52222  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 18:09:53  

Additional Information
 Earth MOID = 1.07173 au 
 Jupiter MOID = 2.4825 au 
 T_jup = 3.430 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.11   n/a E2021B10  

85405 (1996 TO39)          Discovered 1996-Oct-08 by Elst, E. W. at La Silla
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 1996 TO39 = 1998 BY22 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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