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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1172268519547931 4.0317e-08  
a 2.873198691756107 1.3655e-08 au
q 2.536382654080909 1.2004e-07 au
i 1.029785839738236 4.2686e-06 deg
node 192.6709063995142 0.00020288 deg
peri 145.4893292557114 0.0002035 deg
M 45.78253182734308 1.5188e-05 deg
tp 2458374.273111599348
(2018-Sep-12.77311160)
7.5185e-05 TDB
period 1778.881083540134
4.87
1.2681e-05
3.472e-08
d
yr
n .2023744045237513 1.4427e-09 deg/d
Q 3.210014729431306 1.5255e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1996  
   data-arc span      14708 days (40.27 yr)  
   first obs. used      1979-08-22  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .478  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-03 22:40:02  

Additional Information
 Earth MOID = 1.5264 au 
 Jupiter MOID = 2.14658 au 
 T_jup = 3.287 
[ 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

[ show close-approach data ]
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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