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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1112136393504506 1.8546e-07  
a 2.68572599024287 1.9856e-08 AU
q 2.387036628569868 4.9378e-07 AU
i 3.425829156661163 1.4347e-05 deg
node 16.99702842538949 0.00015111 deg
peri 329.317243550314 0.00015951 deg
M 81.0627586268009 5.1202e-05 deg
tp 2456438.498926828291
(2013-May-25.99892683)
0.00022787 JED
period 1607.648056264504
4.40
1.7828e-05
4.881e-08
d
yr
n .2239296085963543 2.4833e-09 deg/d
Q 2.984415351915872 2.2064e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      158  
   data-arc span      19403 days (53.12 yr)  
   first obs. used      1960-09-24  
   last obs. used      2013-11-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .58842  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Nov-22 14:45:44  

Additional Information
 Earth MOID = 1.37952 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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