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136199 Eris (2003 UB313)
Classification: TransNeptunian Object          SPK-ID: 2136199
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 54 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4422518274908293 3.1281e-05  
a 67.66266412178281 0.0026324 au
q 37.7387272610262 0.0034895 au
i 44.1766330990926 0.0003248 deg
node 35.89049666296102 0.00017429 deg
peri 151.3159299355354 0.0069317 deg
M 204.6350118315733 0.016058 deg
tp 2545335.468135093510
(2256-Oct-15.96813509)
9.8012 JED
period 203292.8325807468
556.59
11.864
0.03248
d
yr
n .001770844527226556 1.0334e-07 deg/d
Q 97.58660098253944 0.0037966 au
  Orbit Determination Parameters
   # obs. used (total)      686  
   data-arc span      22430 days (61.41 yr)  
   first obs. used      1954-09-03  
   last obs. used      2016-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      4  
   fit RMS      .50679  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Feb-26 07:12:54  

Additional Information
 Earth MOID = 36.7945 au 
 Jupiter MOID = 32.5421 au 
 T_jup = 4.716 
[ 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 -1.2 mag n/a MPO248167  
rotation period rot_per 25.9 h n/a LCDB (Rev. 2016-February); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Roe, H. G.; Pike, R.E.; Brown, M.E. (2008) Icarus 198, 459-464.]

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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