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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1144546095050015 5.7668e-08  
a 1.923309121185471 1.2557e-08 au
q 1.70317752676278 1.1445e-07 au
i 17.91797983357465 7.5361e-06 deg
node 259.1716581272144 2.2077e-05 deg
peri 208.5270570981509 4.9422e-05 deg
M 142.3928859464951 4.2204e-05 deg
tp 2458215.147789026117
(2018-Apr-06.64778903)		 0.00011346 TDB
period 974.2536997439972
2.67		 9.541e-06
2.612e-08		 d
yr
n .3695136083081814 3.6187e-09 deg/d
Q 2.143440715608162 1.3994e-08 au
   Orbit Determination Parameters
   # obs. used (total)      238  
   data-arc span      5967 days (16.34 yr)  
   first obs. used      2001-10-25  
   last obs. used      2018-02-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6096  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Mar-06 01:28:49  

Additional Information
 Earth MOID = .731767 au 
 Jupiter MOID = 3.06414 au 
 T_jup = 3.855 
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[ 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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