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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05665345557512385 7.0105e-08  
a 2.311128420730182 1.4693e-08 AU
q 2.180195009417939 1.6032e-07 AU
i 3.597891169895651 5.8767e-06 deg
node 253.8931306055593 0.00011239 deg
peri 317.2714022246613 0.00012448 deg
M 145.744260506943 5.352e-05 deg
tp 2456480.954599377086
(2013-Jul-07.45459938)
0.00019119 JED
period 1283.318763796801
3.51
1.2238e-05
3.351e-08
d
yr
n .2805226652612101 2.6751e-09 deg/d
Q 2.442061832042426 1.5525e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      995  
   data-arc span      6127 days (16.77 yr)  
   first obs. used      1997-10-22  
   last obs. used      2014-08-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56791  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 14:50:08  

Additional Information
 Earth MOID = 1.17663 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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