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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1125132490576923 1.1438e-07  
a 2.684981563838999 2.5727e-08 au
q 2.382885564431469 3.0488e-07 au
i 3.429243743321837 9.4046e-06 deg
node 16.88694313588731 0.00012665 deg
peri 330.5377758089843 0.00013153 deg
M 258.8413464890653 3.939e-05 deg
tp 2458052.055283388278
(2017-Oct-25.55528339)
0.00017852 JED
period 1606.97969355838
4.40
2.3097e-05
6.324e-08
d
yr
n .2240227436868489 3.2199e-09 deg/d
Q 2.987077563246528 2.8622e-08 au
  Orbit Determination Parameters
   # obs. used (total)      241  
   data-arc span      20294 days (55.56 yr)  
   first obs. used      1960-09-24  
   last obs. used      2016-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52819  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 17:02:48  

Additional Information
 Earth MOID = 1.376 au 
 Jupiter MOID = 2.39495 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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