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7705 Humeln (1993 FU7)
Classification: Main-belt Asteroid          SPK-ID: 2007705
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2303688296616646 4.2255e-08  
a 2.379054485579766 9.0311e-09 au
q 1.830994488035422 1.03e-07 au
i 3.360899275197309 3.7538e-06 deg
node 98.61534322958649 9.0321e-05 deg
peri 224.5937836976878 9.0821e-05 deg
M 279.1218600982715 1.1368e-05 deg
tp 2458901.615882533439
(2020-Feb-22.11588253)
4.2758e-05 TDB
period 1340.309233666258
3.67
7.6319e-06
2.09e-08
d
yr
n .2685947324374259 1.5294e-09 deg/d
Q 2.92711448312411 1.1112e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1013  
   data-arc span      9650 days (26.42 yr)  
   first obs. used      1993-03-17  
   last obs. used      2019-08-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52184  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 00:58:55  

Additional Information
 Earth MOID = .819569 au 
 Jupiter MOID = 2.40323 au 
 T_jup = 3.501 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456751.5 (2014-Apr-04.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2287784636883566 4.213e-08  
q 1.836528723964887 1.0258e-07 au
tp 2456219.956635423390
(2012-Oct-19.45663542)
4.1901e-05 TDB
node 98.6512517999662 9.0175e-05 deg
peri 224.5395275955156 9.0693e-05 deg
i 3.361886303500853 3.7559e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1013  
   data-arc span      9650 days (26.42 yr)  
   first obs. used      1993-03-17  
   last obs. used      2019-08-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52184  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 00:58:55  

Additional Information
 Jupiter MOID = 2.40323 au 
 T_jup = 3.501 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.77497371188473E-15 -4.312734653996401E-15 7.962634859816273E-13 1.959683462221823E-14 2.023444239058281E-13 -1.264139401433697E-15
q -4.312734653996401E-15 1.05233941343335E-14 -1.921848457021076E-12 -4.615077608812205E-14 -4.862837085702092E-13 3.165113158855857E-15
tp 7.962634859816273E-13 -1.921848457021076E-12 1.755689417272268E-9 2.884831775446461E-11 4.425147785175357E-10 -1.086415240439073E-12
node 1.959683462221823E-14 -4.615077608812205E-14 2.884831775446461E-11 8.131608189701987E-9 -8.110148950264267E-9 -2.698022670166415E-11
peri 2.023444239058281E-13 -4.862837085702092E-13 4.425147785175357E-10 -8.110148950264267E-9 8.225213644083786E-9 2.665726240989865E-11
i -1.264139401433697E-15 3.165113158855857E-15 -1.086415240439073E-12 -2.698022670166415E-11 2.665726240989865E-11 1.410659092849855E-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 15.2   n/a MPO337320  

7705 Humeln           Discovered 1993 Mar. 17 at the European Southern Observatory in the course of the Uppsala-ESO Survey of Asteroids and Comets.
Humeln is a Swedish lake located close to the city of Oskarshamn, where the Baltic Sea meets Kalmarsund. The lake was formed by a meteorite impact during the Cambrian period.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20000320/MPCPages.arcLast Updated: 2013-03-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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