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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .114867383865736 5.7225e-08  
a 1.922680235194729 1.1811e-08 au
q 1.701826986567553 1.1316e-07 au
i 17.91777007898916 7.5042e-06 deg
node 259.1692675077095 2.123e-05 deg
peri 208.6271437084305 4.7342e-05 deg
M 290.1354338041696 4.0005e-05 deg
tp 2459189.478973504340
(2020-Dec-05.97897350)
0.00010854 TDB
period 973.7758947914671
2.67
8.9727e-06
2.457e-08
d
yr
n .3696949184361291 3.4065e-09 deg/d
Q 2.143533483821906 1.3167e-08 au
  Orbit Determination Parameters
   # obs. used (total)      250  
   data-arc span      6929 days (18.97 yr)  
   first obs. used      2001-10-25  
   last obs. used      2020-10-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59735  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 03:02:02  

Additional Information
 Earth MOID = .730494 au 
 Jupiter MOID = 3.06303 au 
 T_jup = 3.855 
[ 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 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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