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136472 Makemake (2005 FY9)
Classification: TransNeptunian Object          SPK-ID: 2136472
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 100 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1628810522601093 3.5513e-06  
a 45.36881137075011 0.00019047 au
q 37.97909163489192 0.00030083 au
i 28.9882587790045 8.5342e-06 deg
node 79.58108089211095 0.00010577 deg
peri 294.8691384441582 0.0022784 deg
M 166.1124830837263 0.0031429 deg
tp 2407697.289961623392
(1879-Dec-13.78996162)
0.91164 TDB
period 111618.075111611
305.59
0.70289
0.001924
d
yr
n .003225284073749011 2.031e-08 deg/d
Q 52.7585311066083 0.00022149 au
  Orbit Determination Parameters
   # obs. used (total)      2851  
   data-arc span      24148 days (66.11 yr)  
   first obs. used      1955-01-29  
   last obs. used      2021-03-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      2  
   norm. resid. RMS      .27253  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:17:34  

Additional Information
 Earth MOID = 37.0835 au 
 Jupiter MOID = 33.5118 au 
 T_jup = 5.211 
[ 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 -0.13   n/a E2021B55  
rotation period rot_per 22.8266 h n/a LCDB (Rev. 2020-October); 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:
[Hromakina, T.A.; Belskaya, I.N.; Krugly, Yu.N.; Shevchenko, V.G.; et al. (2019) Astron. Astrophys. 625, A46.]

136472 Makemake           Discovered 2005 Mar. 31 by M. E. Brown, C. A. Trujillo and D. L. Rabinowitz at Palomar.
Makemake is the creator of humanity and the god of fertility in the mythology of the South Pacific island of Rapa Nui, or Easter Island. He was the chief god of the Tangata manu bird-man cult and was worshiped in the form of sea birds, which were his incarnation. His material symbol was a man with a bird's head.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20080718/MPCPages.arcLast Updated: 2008-07-18
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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