swh:1:snp:63e2d142f91fc04ec33789d9d7bb85f3bef72e05
Tip revision: 66d8e606a8d996ded60bc81d5edf319142a5fad9 authored by Ron Burkey on 04 October 2021, 11:49:55 UTC
Merge branch 'master' of https://github.com/virtualagc/virtualagc
Merge branch 'master' of https://github.com/virtualagc/virtualagc
Tip revision: 66d8e60
Mercury.txt
Subject:
MAJOR BODY #199 (1/1)
From:
Horizons Ephemeris System <horizons@ssd.jpl.nasa.gov>
Date:
Fri, 24 Sep 2004 07:12:03 -0700 (PDT)
Automated mail xmit by PORT_LOGIN, PID= 20749 Fri Sep 24 07:12:03 2004
++++++++++++++++++++++++++++++++ (part 1 of 1) +++++++++++++++++++++++++++++++
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Revised: Sep 12, 1996 Mercury 199 / 1
GEOPHYSICAL DATA:
Mean radius (km) = 2440(+-1) Density (g cm^-3) = 5.427
Mass (1023 kg ) = 3.302 Flattening, f =
Volume (x1010 km3) = 6.085 Semi-major axis =
Sidereal rot. period = 58.6462 d Rot. Rate (x105 s) = 0.124001
Mean solar day = 175.9421 d Polar gravity ms^-2 =
Mom. of Inertia = 0.33 Equ. gravity ms^-2 = 3.701
Core radius (km) = ~1600 Potential Love # k2 =
GM (km3 s^-2) = 22032.09 Equatorial Radius, Re = 2440 km
GM 1-sigma (km3 s^-2)= +-0.91 Mass ratio (sun/plnt) = 6023600
Atmos. pressure (bar) = Max. angular diam. = 11.0"
Mean Temperature (K) = Visual mag. V(1,0) = -0.42
Geometric albedo = 0.106 Obliquity to orbit = ~0.1 deg
Sidereal orb. per. = 0.2408445 y Orbit vel. km/s = 47.8725
Sidereal orb. per. = 87.968435 d Escape vel. km/s = 4.435
Hill's sphere rad. Rp = 94.4 Planetary Solar Const = 9936.9 (Wm2)
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