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9819 Sangerhausen (2172 T-1)
Classification: Main-belt Asteroid          SPK-ID: 2009819
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1808862465153274 3.9681e-08  
a 2.188912644718886 9.4828e-09 au
q 1.792968452465749 8.5726e-08 au
i 2.453375105566188 5.4786e-06 deg
node 56.68735186357453 0.00011059 deg
peri 244.9432446624189 0.00011212 deg
M 201.3401603670893 2.0698e-05 deg
tp 2457921.821435165184
(2017-Jun-17.32143517)
6.9471e-05 JED
period 1182.881043455542
3.24
7.6867e-06
2.105e-08
d
yr
n .30434167661385 1.9777e-09 deg/d
Q 2.584856836972024 1.1198e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1074  
   data-arc span      16342 days (44.74 yr)  
   first obs. used      1971-03-24  
   last obs. used      2015-12-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53803  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:12:01  

Additional Information
 Earth MOID = .77736 au 
 Jupiter MOID = 2.62278 au 
 T_jup = 3.652 
[ 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 14.9 mag n/a MPO313498  

9819 Sangerhausen           Discovered 1971 Mar. 25 by C. J. van Houten and I. van Houten-Groeneveld on Palomar Schmidt plates taken by T. Gehrels.
In the vicinity of the German city of Sangerhausen, a remarkable archaeological object was unearthed. This 4000-year-old bronze disc shows a quasi-real starry sky. Its similarity to Homer's Iliad 18, 484--486 is striking. The name was suggested by W. Schlosser and L. D. Schmadel.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20021120/MPCPages.arcLast Updated: 2003-10-02

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Alternate Designations
 2172 T-1 = 1981 JV5 = 1997 GY15 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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