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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .117729559388413 3.7472e-08  
a 2.873213177376655 1.1499e-08 au
q 2.53495105597512 1.1e-07 au
i 1.030083688829284 3.9469e-06 deg
node 192.6379321985772 0.00018647 deg
peri 145.7109441211325 0.00018693 deg
M 206.5988731516343 1.4091e-05 deg
tp 2460154.512295575039
(2023-Jul-29.01229557)
7.0805e-05 TDB
period 1778.894536262144
4.87
1.0679e-05
2.924e-08
d
yr
n .2023728740864203 1.2149e-09 deg/d
Q 3.211475298778192 1.2853e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2407  
   data-arc span      15260 days (41.78 yr)  
   first obs. used      1979-08-22  
   last obs. used      2021-06-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46319  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 16:38:33  

Additional Information
 Earth MOID = 1.52514 au 
 Jupiter MOID = 2.14826 au 
 T_jup = 3.287 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456717.5 (2014-Mar-01.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1189152960783005 3.7759e-08  
q 2.530087360724504 1.1104e-07 au
tp 2456585.738042116939
(2013-Oct-20.23804212)
6.6133e-05 TDB
node 192.8594973543129 0.00018836 deg
peri 143.5365358485104 0.00018878 deg
i 1.021899820713732 3.9439e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2407  
   data-arc span      15260 days (41.78 yr)  
   first obs. used      1979-08-22  
   last obs. used      2021-06-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46319  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 16:38:33  

Additional Information
 Jupiter MOID = 2.14826 au 
 T_jup = 3.287 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.425734312904838E-15 -4.176430824188616E-15 7.432409347152358E-14 -2.596866634656501E-15 2.358900150176468E-14 -1.537929996985008E-17
q -4.176430824188616E-15 1.233097032542258E-14 -1.970392961448592E-13 8.646808813845121E-15 -6.550064460901989E-14 1.10439383726408E-16
tp 7.432409347152358E-14 -1.970392961448592E-13 4.373635484583959E-9 1.118479366293985E-11 8.482973733382357E-10 6.365681856100108E-15
node -2.596866634656501E-15 8.646808813845121E-15 1.118479366293985E-11 3.547885453718791E-8 -3.547118421841329E-8 -1.934907907943257E-10
peri 2.358900150176468E-14 -6.550064460901989E-14 8.482973733382357E-10 -3.547118421841329E-8 3.563875443979984E-8 1.934576719976809E-10
i -1.537929996985008E-17 1.10439383726408E-16 6.365681856100108E-15 -1.934907907943257E-10 1.934576719976809E-10 1.555456881088092E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.66   n/a MPO636244  
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

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