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9507 Gottfried (5447 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2009507
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2298438557779752 7.7132e-08  
a 2.341366326246195 2.0827e-08 au
q 1.803217662033057 1.8404e-07 au
i 8.415158996410092 8.6945e-06 deg
node 314.2475744941956 3.8549e-05 deg
peri 334.6055922256596 4.2119e-05 deg
M 41.2374286859175 2.4449e-05 deg
tp 2457450.603478195466
(2016-Mar-03.10347820)
8.7338e-05 JED
period 1308.586630379802
3.58
1.746e-05
4.78e-08
d
yr
n .2751059743713828 3.6706e-09 deg/d
Q 2.879514990459333 2.5613e-08 au
  Orbit Determination Parameters
   # obs. used (total)      841  
   data-arc span      15176 days (41.55 yr)  
   first obs. used      1973-09-29  
   last obs. used      2015-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52194  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 16:05:41  

Additional Information
 Earth MOID = .790807 au 
 Jupiter MOID = 2.32355 au 
 T_jup = 3.514 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.3 mag n/a MPO247451  
rotation period rot_per 91.9048 h n/a LCDB (Rev. 2016-February); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2016) Astron. J. 150, A75.]

9507 Gottfried           Discovered 1973 Sept. 30 by C. J. van Houten and I. van Houten-Groeneveld on Palomar Schmidt plates taken by T. Gehrels.
Gottfried of Brabant, brother of Elsa, was changed into a swan by Ortrud, wife of Telramund. After Ortrud's death he again became a human being, as Lohengrin had to leave Elsa.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20001111/MPCPages.arcLast Updated: 2013-03-29

[ show close-approach data ]
Alternate Designations
 5447 T-2 = 1990 EH2 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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