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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1111979995583765 1.7792e-07  
a 2.687627164907034 2.9337e-08 AU
q 2.388768400610621 4.6684e-07 AU
i 3.425716135441456 9.9233e-06 deg
node 16.95238466535199 0.00014211 deg
peri 329.7529096310201 0.00014687 deg
M 125.4029425365151 4.1446e-05 deg
tp 2456439.894716740345
(2013-May-27.39471674)
0.00018145 JED
period 1609.355393831448
4.41
2.6351e-05
7.215e-08
d
yr
n .2236920455108026 3.6626e-09 deg/d
Q 2.986485929203447 3.2599e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      225  
   data-arc span      19869 days (54.40 yr)  
   first obs. used      1960-09-24  
   last obs. used      2015-02-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5146  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 22:15:49  

Additional Information
 Earth MOID = 1.38301 AU 
 T_jup = 3.362 
[ 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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