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221516 Bergen-Enkheim (2006 PR4)
Classification: Inner Main-belt Asteroid          SPK-ID: 2221516
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1149558411579767 5.2172e-08  
a 1.922955804556545 9.3028e-09 au
q 1.701900802534134 1.0074e-07 au
i 17.91686194710143 6.5297e-06 deg
node 259.1698921255319 1.7444e-05 deg
peri 208.5783825516589 4.345e-05 deg
M 4.112623433538981 3.4928e-05 deg
tp 2459189.373237292102
(2020-Dec-05.87323729)
9.4511e-05 TDB
period 973.9852528624333
2.67
7.0679e-06
1.935e-08
d
yr
n .3696154525358576 2.6822e-09 deg/d
Q 2.144010806578957 1.0372e-08 au
  Orbit Determination Parameters
   # obs. used (total)      314  
   data-arc span      7031 days (19.25 yr)  
   first obs. used      2001-10-25  
   last obs. used      2021-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57834  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 12:58:39  

Additional Information
 Earth MOID = .730268 au 
 Jupiter MOID = 3.06255 au 
 T_jup = 3.855 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457703.5 (2016-Nov-11.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1146807571782773 5.2021e-08  
q 1.702249110285612 1.0038e-07 au
tp 2457240.989695768184
(2015-Aug-06.48969577)
9.8049e-05 TDB
node 259.1809576729204 1.7444e-05 deg
peri 208.396362909061 4.3627e-05 deg
i 17.91659134893945 6.5298e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      314  
   data-arc span      7031 days (19.25 yr)  
   first obs. used      2001-10-25  
   last obs. used      2021-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57834  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 12:58:39  

Additional Information
 Jupiter MOID = 3.06255 au 
 T_jup = 3.855 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.706152978037159E-15 -5.204321366291495E-15 9.42644332839762E-13 1.051638842743891E-14 4.368585710702964E-13 -1.953483568159307E-14
q -5.204321366291495E-15 1.007627493405667E-14 -2.037909212528192E-12 -2.25795439471975E-14 -9.233118170568522E-13 3.721916356209721E-14
tp 9.42644332839762E-13 -2.037909212528192E-12 9.6135318189801E-9 7.580153636976996E-11 3.933207494529896E-9 1.251964560989302E-11
node 1.051638842743891E-14 -2.25795439471975E-14 7.580153636976996E-11 3.042941767931077E-10 -2.566648126775241E-10 -2.882834028925372E-12
peri 4.368585710702964E-13 -9.233118170568522E-13 3.933207494529896E-9 -2.566648126775241E-10 1.903311388362435E-9 8.135174096097504E-12
i -1.953483568159307E-14 3.721916356209721E-14 1.251964560989302E-11 -2.882834028925372E-12 8.135174096097504E-12 4.263891935759023E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.2   n/a MPO437055  

221516 Bergen-Enkheim           Discovered 2006 Aug. 13 by U. Suessenberger at the Bergen-Enkheim Observatory.
Bergen-Enkheim is the easternmost borough of Frankfurt am Main. Since 2005 it has hosted the discoverer's observatory, which is dedicated to confirmation of near-earth objects and research on minor planets.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20091202/MPCPages.arcLast Updated: 2010-04-12
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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