+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   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 2456400.5 (2013-Apr-18.0) TDB Reference: JPL 53 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1599407694202124 2.1041e-05   a 45.55562792809212 0.001613 AU q 38.26942574585215 0.0023019 AU i 29.01300543713787 1.1501e-05 deg node 79.28708117449064 0.00033241 deg peri 297.0787488235422 0.0076449 deg M 154.5559050022712 0.0093238 deg tp 2408184.121863102664 (1881-Apr-13.62186310) 0.80891 JED period 112308.2041351184 307.48 5.9648 0.01633 d yr n .003205464843573517 1.7024e-07 deg/d Q 52.84183011033209 0.001871 AU   Orbit Determination Parameters    # obs. used (total)      881      data-arc span      21249 days (58.18 yr)      first obs. used      1955-01-29      last obs. used      2013-04-03      planetary ephem.      DE405      SB-pert. ephem.      SB405-CPV-2      condition code      1      fit RMS      .36696      data source      ORB      producer      Otto Matic      solution date      2013-Apr-29 19:19:20   Additional Information  Earth MOID = 37.371 AU   T_jup = 5.223  [ 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 -.4273 mag .42053 53 autocmod 2.5c rotation period rot_per 22.48 h n/a Asteroid Lightcurve DataBase (Rev. 2013-May-01) [Result based on less than full coverage, so that the period may be wrong by 30 percent or so.] 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.arc Last Updated: 2008-07-18 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-Jun-19 11:00 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin