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157301 Loreena (2004 SE20)
Classification: Main-belt Asteroid          SPK-ID: 2157301
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1121910891570082 1.7829e-07  
a 2.686057060852747 2.9626e-08 au
q 2.384705393657805 4.6764e-07 au
i 3.429182566350463 9.7896e-06 deg
node 16.88708217094451 0.00014139 deg
peri 330.3873347729394 0.00014592 deg
M 214.1942102685342 4.1156e-05 deg
tp 2458051.743718019269
(2017-Oct-25.24371802)
0.00018899 JED
period 1607.945328636985
4.40
2.6603e-05
7.284e-08
d
yr
n .2238882091253457 3.7041e-09 deg/d
Q 2.987408728047689 3.295e-08 au
  Orbit Determination Parameters
   # obs. used (total)      229  
   data-arc span      19921 days (54.54 yr)  
   first obs. used      1960-09-24  
   last obs. used      2015-04-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5163  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 21:45:57  

Additional Information
 Earth MOID = 1.37672 au 
 Jupiter MOID = 2.39272 au 
 T_jup = 3.363 
[ 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 16.4 mag n/a MPO273298  

157301 Loreena           Discovered 2004 Sept. 16 by A. Knöfel at Drebach.
Loreena McKennitt (b. 1957) is a Canadian singer, composer and instrumentalist. She writes and performs world music with Celtic and Middle Eastern themes.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20120207/MPCPages.arcLast Updated: 2012-02-09
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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