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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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05665341277918856 6.38e-08  
a 2.311128429185348 1.3534e-08 AU
q 2.180195116300993 1.4299e-07 AU
i 3.597891409419567 4.9742e-06 deg
node 253.8931251268925 0.00010998 deg
peri 317.2713929356427 0.00012173 deg
M 145.7442683887392 5.3196e-05 deg
tp 2456480.954568429159
(2013-Jul-07.45456843)
0.00018983 JED
period 1283.318770839252
3.51
1.1272e-05
3.086e-08
d
yr
n .2805226637217897 2.464e-09 deg/d
Q 2.442061742069703 1.43e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1070  
   data-arc span      6271 days (17.17 yr)  
   first obs. used      1997-10-22  
   last obs. used      2014-12-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56262  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 03:23:17  

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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