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136199 Eris (2003 UB313)
Classification: TransNeptunian Object          SPK-ID: 2136199
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

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Orbit Diagram
Note: Make sure you have Java enabled on your browser to see the applet. This applet is provided as a 3D orbit visualization tool. The applet was implemented using 2-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances. For accurate long-term ephemerides, please instead use our Horizons system.
Orbit Viewer

Additional Notes: the orbits shown in the applet are color coded. The planets are white lines, and the asteroid/comet is a blue line. The bright white line indicates the portion of the orbit that is above the ecliptic plane, and the darker portion is below the ecliptic plane. Likewise for the asteroid/comet orbit, the light blue indicates the portion above the ecliptic plane, and the dark blue the portion below the ecliptic plane.

Orbit Viewer applet originally written and kindly provided by Osamu Ajiki (AstroArts), and further modified by Ron Baalke (JPL).


Orbital Elements at Epoch 2455200.5 (2010-Jan-04.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4341727248563549 5.8636e-05  
a 68.01046788086362 0.0051302 AU
q 38.48217772227345 0.0068774 AU
i 43.91214606696799 0.00056548 deg
node 36.01579454764742 0.00031518 deg
peri 151.3315757322902 0.0075472 deg
M 199.8174316318346 0.016577 deg
tp 2546354.309387841930
(2259-Jul-31.80938785)
12.462 JED
period 204862.3125095603
560.88
23.18
0.06346
d
yr
n .001757277830119193 1.9883e-07 deg/d
Q 97.53875803945378 0.0073575 AU
  Orbit Determination Parameters
   # obs. used (total)      478  
   data-arc span      20167 days (55.21 yr)  
   first obs. used      1954-09-03  
   last obs. used      2009-11-20  
   planetary ephem.      DE405  
   SB-pert. ephem.      SB405-CPV-2  
   quality code      3  
   fit RMS      .31974  
   data source      ORB  
   producer      Otto Matic  
   solution date      2010-Jan-04 19:10:46  

Additional Information
 Earth MOID = 37.5385 AU 
 T_jup = 4.769 
[ 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 -1.1726 mag .33787 27 autocmod 2.4a

136199 Eris           Discovered 2003 Oct. 21 by M. E. Brown, C. A. Trujillo and D. Rabinowitz at Palomar.
Eris is the Greek goddess of discord and strife. She stirs up jealousy and envy to cause fighting and anger among men. At the wedding of Peleus and Thetis all the gods were invited with the exception of Eris, and, enraged at her exclusion, she spitefully caused a quarrel among the goddesses that led to the Trojan war.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20061009/MPCPages.arcLast Updated: 2006-10-14
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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