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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 53 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4420753093056318 3.2472e-05  
a 67.68873680103508 0.0027456 au
q 37.76521754320999 0.0036344 au
i 44.14250145176376 0.00034668 deg
node 35.90646715925099 0.00018715 deg
peri 151.197283718435 0.0070887 deg
M 204.514547199445 0.016394 deg
tp 2545254.249809785560
(2256-Jul-26.74980979)
9.9924 JED
period 203410.347153775
556.91
12.376
0.03388
d
yr
n .001769821471903028 1.0768e-07 deg/d
Q 97.61225605886015 0.0039594 au
  Orbit Determination Parameters
   # obs. used (total)      650  
   data-arc span      22385 days (61.29 yr)  
   first obs. used      1954-09-03  
   last obs. used      2015-12-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      3  
   fit RMS      .49328  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 17:43:07  

Additional Information
 Earth MOID = 36.8218 au 
 Jupiter MOID = 32.5698 au 
 T_jup = 4.720 
[ 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. 2015-December); 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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