Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1112136561841759 1.9833e-07  
a 2.685725966028095 2.9916e-08 AU
q 2.387036561837333 5.2565e-07 AU
i 3.425824113396698 1.642e-05 deg
node 16.99716036250495 0.00014333 deg
peri 329.3171011777986 0.00015305 deg
M 81.06277192257907 5.4097e-05 deg
tp 2456438.498872349238
(2013-May-25.99887235)
0.00024061 JED
period 1607.64803452243
4.40
2.6861e-05
7.354e-08
d
yr
n .223929611624812 3.7415e-09 deg/d
Q 2.984415370218858 3.3243e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      157  
   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      .54134  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-11 09:57:08  

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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Aug-02 08:35 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin