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46596 Tobata (1993 BD)
Classification: Main-belt Asteroid          SPK-ID: 2046596
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1396980692260283 2.796e-08  
a 2.328968768896959 6.7113e-09 au
q 2.003616328594334 6.7663e-08 au
i 6.951693169950134 3.1212e-06 deg
node 112.8204662063932 2.9796e-05 deg
peri 7.853483298732498 3.2914e-05 deg
M 8.654561639545145 1.4139e-05 deg
tp 2459365.290522446477
(2021-May-30.79052245)
5.096e-05 TDB
period 1298.206932622717
3.55
5.6115e-06
1.536e-08
d
yr
n .277305559655814 1.1987e-09 deg/d
Q 2.654321209199585 7.6489e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1825  
   data-arc span      10310 days (28.23 yr)  
   first obs. used      1993-01-16  
   last obs. used      2021-04-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47504  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 21:24:31  

Additional Information
 Earth MOID = 1.02032 au 
 Jupiter MOID = 2.41781 au 
 T_jup = 3.549 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457470.5 (2016-Mar-23.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1384985328198375 2.7871e-08  
q 2.006636618619052 6.7387e-08 au
tp 2458065.960190889214
(2017-Nov-08.46019089)
5.0924e-05 TDB
node 112.8668005813259 2.9832e-05 deg
peri 7.577973879510275 3.3022e-05 deg
i 6.946816358170029 3.1193e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1825  
   data-arc span      10310 days (28.23 yr)  
   first obs. used      1993-01-16  
   last obs. used      2021-04-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47504  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 21:24:31  

Additional Information
 Jupiter MOID = 2.41781 au 
 T_jup = 3.549 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.767848183578141E-16 -1.872313948728802E-15 -3.024926328045705E-13 2.056883357830708E-15 -6.665167878973826E-14 -1.182148285113808E-15
q -1.872313948728802E-15 4.540984592018549E-15 7.283546776815869E-13 -5.031669195306604E-15 1.566006474997158E-13 2.963085939357246E-15
tp -3.024926328045705E-13 7.283546776815869E-13 2.593255307023335E-9 9.976904564770697E-12 7.330409221999893E-10 1.505614939861395E-12
node 2.056883357830708E-15 -5.031669195306604E-15 9.976904564770697E-12 8.89947296440023E-10 -8.803896893361713E-10 -2.515985360816414E-11
peri -6.665167878973826E-14 1.566006474997158E-13 7.330409221999893E-10 -8.803896893361713E-10 1.090471896595106E-9 2.536098745798499E-11
i -1.182148285113808E-15 2.963085939357246E-15 1.505614939861395E-12 -2.515985360816414E-11 2.536098745798499E-11 9.730123950381537E-12

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.81   n/a MPCxxxxx  

46596 Tobata           Discovered 1993 Jan. 16 by T. Seki at Geisei.
Tobata, a ward of Kita-Kyushu City in Fukuoka prefecture, is the location of the Faculty of Engineering campus of the Kyushu Institute of Technology.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20080122/MPCPages.arcLast Updated: 2008-03-05
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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