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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1174575481106104 3.7838e-08  
a 2.873756515501587 1.3086e-08 au
q 2.536212121323879 1.119e-07 au
i 1.029701407145236 4.1043e-06 deg
node 192.659507875548 0.00020196 deg
peri 145.5894413610994 0.00020255 deg
M 126.603382731214 1.5073e-05 deg
tp 2458374.727910023554
(2018-Sep-13.22791002)
7.469e-05 TDB
period 1779.399156101525
4.87
1.2154e-05
3.328e-08
d
yr
n .202315483159339 1.3819e-09 deg/d
Q 3.211300909679294 1.4624e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2107  
   data-arc span      14837 days (40.62 yr)  
   first obs. used      1979-08-22  
   last obs. used      2020-04-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47194  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 03:36:53  

Additional Information
 Earth MOID = 1.52716 au 
 Jupiter MOID = 2.14856 au 
 T_jup = 3.286 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456165.5 (2012-Aug-26.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1193909763987244 3.8031e-08  
q 2.529868183580458 1.1262e-07 au
tp 2456585.662844118023
(2013-Oct-20.16284412)
7.4215e-05 TDB
node 192.8671903869366 0.00020384 deg
peri 143.5229342630702 0.00020438 deg
i 1.021776604324489 4.1014e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2107  
   data-arc span      14837 days (40.62 yr)  
   first obs. used      1979-08-22  
   last obs. used      2020-04-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47194  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 03:36:53  

Additional Information
 Jupiter MOID = 2.14856 au 
 T_jup = 3.286 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.44637206186246E-15 -4.262301592223473E-15 2.184549606435164E-13 -6.837038750429426E-15 6.209707516888637E-14 -9.274294368401672E-17
q -4.262301592223473E-15 1.268337632708058E-14 -7.930648070239945E-13 2.208964596281376E-14 -2.203353715643298E-13 3.539064592350902E-16
tp 2.184549606435164E-13 -7.930648070239945E-13 5.507934359304306E-9 1.215665674263649E-11 1.115413297816707E-9 -3.148508777567508E-14
node -6.837038750429426E-15 2.208964596281376E-14 1.215665674263649E-11 4.155017301543633E-8 -4.154150632555559E-8 -1.12564382570711E-10
peri 6.209707516888637E-14 -2.203353715643298E-13 1.115413297816707E-9 -4.154150632555559E-8 4.177146913496057E-8 1.12532359187022E-10
i -9.274294368401672E-17 3.539064592350902E-16 -3.148508777567508E-14 -1.12564382570711E-10 1.12532359187022E-10 1.682149999579543E-11

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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