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11795 Fredrikbruhn (1979 QM1)
Classification: Main-belt Asteroid          SPK-ID: 2011795
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .117457548986762 3.7776e-08  
a 2.873756514993498 1.3059e-08 au
q 2.536212118357623 1.1169e-07 au
i 1.029701437306576 4.0978e-06 deg
node 192.6595081409726 0.00020194 deg
peri 145.5894416558638 0.00020253 deg
M 126.6033823876375 1.5065e-05 deg
tp 2458374.727911887733
(2018-Sep-13.22791189)
7.4639e-05 TDB
period 1779.39915562962
4.87
1.2129e-05
3.321e-08
d
yr
n .2023154832129939 1.379e-09 deg/d
Q 3.211300911629373 1.4592e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2119  
   data-arc span      15037 days (41.17 yr)  
   first obs. used      1979-08-22  
   last obs. used      2020-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47121  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:57:12  

Additional Information
 Earth MOID = 1.52716 au 
 Jupiter MOID = 2.14856 au 
 T_jup = 3.286 
[ show covariance matrix ]

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 13.6   n/a MPO358744  
diameter diameter 5.826 km 0.277 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.207   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

11795 Fredrikbruhn           Discovered 1979 Aug. 22 by C.-I. Lagerkvist at the European Southern Observatory.
Fredrik Bruhn is a specialist in miniaturized multifunctional system architecture for satellites and robotics.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20060219/MPCPages.arcLast Updated: 2010-06-03

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Alternate Designations
 1979 QM1 = 1987 GH1 = 1989 SB15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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