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Pluto ephemeris

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Jun 22nd, 2017
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  1. *******************************************************************************
  2. Revised: Nov 05, 2015 134340 Pluto 999
  3.  
  4. Fit to all available observations (PLU043/DE433) including New Horizons
  5. encounter tracking.
  6.  
  7. ICRF/J2000.0 helio. ecliptic osc. elements (AU, DAYS, DEG, period=Julian yrs):
  8.  
  9. EPOCH= 2457217.5 ! 2015-Jul-14 00:00:00.0000 (TDB)
  10. EC= 2.543193766760227E-01 QR= 2.963711277830007E+01 IN= 1.736672922693450E+01
  11. OM= 1.102097591127033E+02 W = 1.142276233642205E+02 Tp= 2447886.048708124086
  12. N = 3.933503338914713E-03 MA= 3.670529481351401E+01 TA= 5.935219029576444E+01
  13. A = 3.974504882021532E+01 AD= 4.985298486213057E+01 PR= 9.152146801007345E+04
  14.  
  15. NOTE:
  16. The Horizons output log may report using DE431 as the source of target or
  17. center data, but it is nevertheless using DE433 as an override if Pluto is
  18. involved. This is to maintain ephemeris consistency for the New Horizons
  19. spacecraft encounter at Pluto.
  20.  
  21. PHYSICAL DATA (updated 2013-Nov-19, Mc= Charon mass, radius is IAU 2009):
  22. Mass Pluto (10^22 kg) = 1.307+-0.018 Density Pluto:
  23. GM (planet) km^3/s^2 = 872.4 (R = 1195 km) = 1.83 g/cm^3
  24. Mass ratio (Mc/Mp) = 0.117 Radius of Pluto, Rp = 1195 km
  25. Surface gravity = 61.1 cm/s^2 Geometric albedo = 0.3
  26. Sidereal orbit period = 249.58932 yr Mean orbit velocity = 4.656 km/s
  27. Escape velocity (km/s)= 1.21
  28. *******************************************************************************
  29.  
  30.  
  31. *******************************************************************************
  32. Ephemeris / WWW_USER Thu Jun 22 11:13:55 2017 Pasadena, USA / Horizons
  33. *******************************************************************************
  34. Target body name: Pluto (999) {source: plu055l_merged}
  35. Center body name: Sun (10) {source: plu055l_merged}
  36. Center-site name: BODYCENTRIC
  37. *******************************************************************************
  38. Start time : A.D. 2017-Jun-22 00:00:00.0000 UT
  39. Stop time : A.D. 2050-Jun-22 00:00:00.0000 UT
  40. Step-size : 1 calendar year
  41. *******************************************************************************
  42. Target pole/equ : IAU_PLUTO {East-longitude +}
  43. Target radii : 1195.0 x 1195.0 x 1195.0 km {Equator, meridian, pole}
  44. Center geodetic : 0.00000000,0.00000000,0.0000000 {E-lon(deg),Lat(deg),Alt(km)}
  45. Center cylindric: 0.00000000,0.00000000,0.0000000 {E-lon(deg),Dxy(km),Dz(km)}
  46. Center pole/equ : IAU_SUN {East-longitude +}
  47. Center radii : 696000.0 x 696000.0 x 696000.0 k{Equator, meridian, pole}
  48. Target primary : Sun
  49. Vis. interferer : None
  50. Rel. light bend : Sun {source: plu055l_merged}
  51. Rel. lght bnd GM: 1.3271E+11 km^3/s^2
  52. Atmos refraction: NO (AIRLESS)
  53. RA format : HMS
  54. Time format : CAL
  55. EOP file : eop.170621.p170912
  56. EOP coverage : DATA-BASED 1962-JAN-20 TO 2017-JUN-21. PREDICTS-> 2017-SEP-11
  57. Units conversion: 1 au= 149597870.700 km, c= 299792.458 km/s, 1 day= 86400.0 s
  58. Table cut-offs 1: Elevation (-90.0deg=NO ),Airmass n.a. , Daylight (NO )
  59. Table cut-offs 2: Solar elongation ( 0.0,180.0=NO ),Local Hour Angle( 0.0=NO )
  60. Table cut-offs 3: RA/DEC angular rate ( 0.0=NO )
  61. *******************************************************************************
  62. Date__(UT)__HR:MN r rdot Cnst GlxLon GlxLat
  63. *****************************************************************************
  64. $$SOE
  65. 2017-Jun-22 00:00 33.352035795560 1.1092556 Sgr 16.118729 -14.949529
  66. 2018-Jun-22 00:00 33.586518787362 1.1336574 Sgr 16.617366 -16.848453
  67. 2019-Jun-22 00:00 33.823947609922 1.1422696 Sgr 17.119936 -18.721261
  68. 2020-Jun-22 00:00 34.064251427898 1.1292255 Sgr 17.628516 -20.572473
  69. 2021-Jun-22 00:00 34.305565891020 1.1368412 Sgr 18.140783 -22.391359
  70. 2022-Jun-22 00:00 34.548343198349 1.1538506 Sgr 18.658475 -24.182216
  71. 2023-Jun-22 00:00 34.792728862131 1.1734538 Sgr 19.182056 -25.944418
  72. 2024-Jun-22 00:00 35.039820252401 1.1783602 Cap 19.713829 -27.682565
  73. 2025-Jun-22 00:00 35.288661558835 1.1791654 Cap 20.252244 -29.387666
  74. 2026-Jun-22 00:00 35.540091248912 1.1867550 Cap 20.800376 -31.065448
  75. 2027-Jun-22 00:00 35.793979316718 1.2033400 Cap 21.360019 -32.716957
  76. 2028-Jun-22 00:00 36.050644601342 1.2302170 Cap 21.934530 -34.347545
  77. 2029-Jun-22 00:00 36.308103672623 1.2322629 Cap 22.522525 -35.948992
  78. 2030-Jun-22 00:00 36.566397069950 1.2236466 Cap 23.127215 -37.526332
  79. 2031-Jun-22 00:00 36.824805054430 1.2140002 Cap 23.750115 -39.079833
  80. 2032-Jun-22 00:00 37.083338352542 1.2205860 Cap 24.394404 -40.613679
  81. 2033-Jun-22 00:00 37.340046642488 1.2244546 Cap 25.057666 -42.119122
  82. 2034-Jun-22 00:00 37.595335296715 1.2194821 Cap 25.742762 -43.599787
  83. 2035-Jun-22 00:00 37.849330412312 1.2056985 Cap 26.450988 -45.055072
  84. 2036-Jun-22 00:00 38.103162585436 1.1872301 Cap 27.186195 -46.488540
  85. 2037-Jun-22 00:00 38.355999508426 1.1932564 Cap 27.946885 -47.892625
  86. 2038-Jun-22 00:00 38.608915980118 1.2058868 Cap 28.738153 -49.271856
  87. 2039-Jun-22 00:00 38.861989077817 1.2139037 Cap 29.563581 -50.626982
  88. 2040-Jun-22 00:00 39.115720836065 1.1970040 Aqr 30.429465 -51.962335
  89. 2041-Jun-22 00:00 39.368319696724 1.1839370 Aqr 31.335257 -53.271174
  90. 2042-Jun-22 00:00 39.619930356654 1.1783809 Aqr 32.287503 -54.557538
  91. 2043-Jun-22 00:00 39.869922634711 1.1796015 Aqr 33.290581 -55.821500
  92. 2044-Jun-22 00:00 40.118286741069 1.1824594 Aqr 34.351841 -57.066148
  93. 2045-Jun-22 00:00 40.363023429410 1.1585394 Aqr 35.469906 -58.283964
  94. 2046-Jun-22 00:00 40.604450214924 1.1290654 Aqr 36.652107 -59.477323
  95. 2047-Jun-22 00:00 40.842585389783 1.1073564 Aqr 37.903337 -60.644960
  96. 2048-Jun-22 00:00 41.078499546514 1.1149373 Aqr 39.233217 -61.788781
  97. 2049-Jun-22 00:00 41.311517914496 1.1158958 Aqr 40.641581 -62.901608
  98. 2050-Jun-22 00:00 41.542770030241 1.1066106 Aqr 42.140631 -63.985911
  99. $$EOE
  100. *******************************************************************************
  101. Column meaning:
  102.  
  103. TIME
  104.  
  105. Prior to 1962, times are UT1. Dates thereafter are UTC. Any 'b' symbol in
  106. the 1st-column denotes a B.C. date. First-column blank (" ") denotes an A.D.
  107. date. Calendar dates prior to 1582-Oct-15 are in the Julian calendar system.
  108. Later calendar dates are in the Gregorian system.
  109.  
  110. Time tags refer to the same instant throughout the solar system, regardless
  111. of where the observer is located. For example, if an observation from the
  112. surface of another body has an output time-tag of 12:31:00 UTC, an Earth-based
  113. time-scale, it refers to the instant on that body simultaneous to 12:31:00 UTC
  114. on Earth.
  115.  
  116. The Barycentric Dynamical Time scale (TDB) is used internally as defined by
  117. the planetary equations of motion. Conversion between TDB and the selected
  118. non-uniform UT output time-scale has not been determined for UTC times after
  119. the next July or January 1st. The last known leap-second is used as a constant
  120. over future intervals.
  121.  
  122. NOTE: "n.a." in output means quantity "not available" at the print-time.
  123.  
  124. r rdot =
  125. Heliocentric range ("r", light-time corrected) and range-rate ("rdot")
  126. of the target center at the instant light seen by the observer at print-time
  127. would have left the target center (print-time minus down-leg light-time).
  128. The Sun-to-target distance traveled by a ray of light emanating from the
  129. center of the Sun that reaches the target center point at some instant and
  130. is recordable by the observer one down-leg light-time later at print-time.
  131. Units: AU and KM/S
  132.  
  133. Cnst =
  134. Constellation ID; the 3-letter abbreviation for the name of the
  135. constellation containing the target center's astrometric position,
  136. as defined by IAU (1930) boundary delineation. See documentation
  137. for list of abbreviations.
  138.  
  139. GlxLon GlxLat =
  140. Observer-centered Galactic System II (post WW II) longitude and latitude
  141. of the target center's apparent position. Adjusted for light-time,
  142. gravitational deflection of light, and stellar aberration. Units: DEG DEG
  143.  
  144.  
  145. Computations by ...
  146. Solar System Dynamics Group, Horizons On-Line Ephemeris System
  147. 4800 Oak Grove Drive, Jet Propulsion Laboratory
  148. Pasadena, CA 91109 USA
  149. Information: http://ssd.jpl.nasa.gov/
  150. Connect : telnet://ssd.jpl.nasa.gov:6775 (via browser)
  151. telnet ssd.jpl.nasa.gov 6775 (via command-line)
  152. Author : [email protected]
  153.  
  154. *******************************************************************************
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