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31147 Miriquidi (1997 UA4)
Classification: Main-belt Asteroid          SPK-ID: 2031147
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05687343626782568 5.8824e-08  
a 2.310816209991389 1.2559e-08 au
q 2.179392151545785 1.329e-07 au
i 3.598169311850345 4.8959e-06 deg
node 253.88800651282 0.00010403 deg
peri 317.1893098713695 0.0001157 deg
M 258.0702399374854 5.2277e-05 deg
tp 2457763.782967177617
(2017-Jan-10.28296718)
0.00018649 JED
period 1283.058726948169
3.51
1.046e-05
2.864e-08
d
yr
n .280579518644701 2.2874e-09 deg/d
Q 2.442240268436993 1.3274e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1142  
   data-arc span      6633 days (18.16 yr)  
   first obs. used      1997-10-22  
   last obs. used      2015-12-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55321  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 14:16:02  

Additional Information
 Earth MOID = 1.17381 au 
 Jupiter MOID = 2.52974 au 
 T_jup = 3.580 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.1 mag n/a MPO266109  

31147 Miriquidi           Discovered 1997 Oct. 22 by J. Kandler at Drebach.
The word Miriquidi is first mentioned in a document of the emperor Otto II in the year 974. It means "an impenetrable great dark forest" and can be localized to a region in the southern Saxony. Today, the word is used as a synonym for the Erzgebirge.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20080618/MPCPages.arcLast Updated: 2008-06-20
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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