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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05692800744887844 5.6449e-08  
a 2.311472485009007 1.2094e-08 au
q 2.179884962164536 1.2827e-07 au
i 3.597652699955945 4.8508e-06 deg
node 253.8705030129284 0.00010137 deg
peri 316.9179784696094 0.00011308 deg
M 314.4613224262757 5.1924e-05 deg
tp 2457762.871361754234
(2017-Jan-09.37136175)
0.00018526 JED
period 1283.605351448584
3.51
1.0074e-05
2.758e-08
d
yr
n .280460033602797 2.2011e-09 deg/d
Q 2.443060007853477 1.2782e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1169  
   data-arc span      6740 days (18.45 yr)  
   first obs. used      1997-10-22  
   last obs. used      2016-04-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55338  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:57:28  

Additional Information
 Earth MOID = 1.17461 au 
 Jupiter MOID = 2.52931 au 
 T_jup = 3.579 
[ 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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