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301394 Bensheim (2009 DB31)
Classification: Main-belt Asteroid          SPK-ID: 2301394
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1317025777231747 5.5206e-08  
a 3.039281142432741 3.2038e-08 au
q 2.638999981548913 1.5375e-07 au
i 5.267343769200168 6.1505e-06 deg
node 174.3297305773028 5.7518e-05 deg
peri 333.6796637049941 6.2572e-05 deg
M 99.33177813606441 2.5304e-05 deg
tp 2458666.500993387270
(2019-Jul-02.00099339)
0.00013279 TDB
period 1935.328713407843
5.30
3.0601e-05
8.378e-08
d
yr
n .1860149118369099 2.9413e-09 deg/d
Q 3.439562303316567 3.6257e-08 au
  Orbit Determination Parameters
   # obs. used (total)      280  
   data-arc span      8184 days (22.41 yr)  
   first obs. used      1998-01-25  
   last obs. used      2020-06-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53915  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 05:38:47  

Additional Information
 Earth MOID = 1.65142 au 
 Jupiter MOID = 1.56983 au 
 T_jup = 3.221 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457559.5 (2016-Jun-20.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1329328017591365 5.5119e-08  
q 2.635112537825489 1.5385e-07 au
tp 2456729.719394743223
(2014-Mar-13.21939474)
0.00012412 TDB
node 174.357277833529 5.7519e-05 deg
peri 333.3963313992082 6.2482e-05 deg
i 5.26755928395391 6.1516e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      280  
   data-arc span      8184 days (22.41 yr)  
   first obs. used      1998-01-25  
   last obs. used      2020-06-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53915  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 05:38:47  

Additional Information
 Jupiter MOID = 1.56983 au 
 T_jup = 3.221 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.038121244813974E-15 -8.383164298150056E-15 1.98100077051374E-12 -1.465044156165038E-14 3.996876559395766E-13 -4.024895020311526E-15
q -8.383164298150056E-15 2.366944691786987E-14 -5.56681060268458E-12 4.38191048850106E-14 -1.076207649814143E-12 1.169131007188196E-14
tp 1.98100077051374E-12 -5.56681060268458E-12 1.540689011817946E-8 1.894576699765931E-11 3.056302398606041E-9 -1.059811422174419E-11
node -1.465044156165038E-14 4.38191048850106E-14 1.894576699765931E-11 3.308413222147581E-9 -3.289779369657742E-9 1.279469732734018E-10
peri 3.996876559395766E-13 -1.076207649814143E-12 3.056302398606041E-9 -3.289779369657742E-9 3.904019020082443E-9 -1.294709043983699E-10
i -4.024895020311526E-15 1.169131007188196E-14 -1.059811422174419E-11 1.279469732734018E-10 -1.294709043983699E-10 3.784194004255992E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.12   n/a E2021B25  

301394 Bensheim           Discovered 2009 Feb. 23 by E. Schwab at Tzec Maun.
Bensheim is a German city, first mentioned in 765. It is situated in the district of the Bergstraße, which is a traditional wine-growing region. Medieval timber-frame houses and many other important cultural monuments dominate the picturesque cityscape.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2014-04-15Last Updated: 2014-04-17

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