Article: thumb|Юпитер Юпитер (символ: 16px|♃) ЭлячӀунар Jupiter Fact Sheet Юпитер шикилар сайтар
Jupiter Section of ALPO-Japan-Latest https://web.archive.org/web/20070523061638/http://alpo-j.asahikawa-med.ac.jp/Latest/Jupiter.htm
Jupiter By Christopher Go
Arkansas Sky Observatory https://web.archive.org/web/20100608182038/http://www.alpo.arksky.org/
Энтони Вэсли сайт https://web.archive.org/web/20100609123225/http://acquerra.com.au/astro/gallery/jupiter/index.live
Фотогалерея: Юпитер «Звёздный Каталог России»
Категория:Планетаяр Категория:Ракъинин система |
Source: Jupiter Fact Sheet Jupiter/Earth Comparison Bulk parameters Jupiter Earth Ratio (Jupiter/Earth) Mass (10 24 kg) 1,898.13 5.9722 317.83 Volume (10 10 km 3 ) 143,128 108.321 1321.33
Equatorial radius (1 bar level) (km)
71,492 6,378.1 11.209 Polar radius (km) 66,854 6,356.8 10.517
Volumetric mean radius (km)
69,911 6,371.0 10.973 Ellipticity 0.06487 0.00335 19.36 Mean density (kg/m 3 ) 1,326 5,513 0.241
Gravity (mean, 1 bar) (m/s
2 ) 25.92 9.82 2.640
Acceleration (eq., 1 bar) (m/s
2 ) 23.12 9.78 2.364
Acceleration (pole, 1 bar) (m/s
2 ) 27.01 9.83 2.748 Escape velocity (km/s) 59.5 11.19 5.32 GM (x 10 6 km 3 /s 2 ) 126.687 0.39860 317.83 Bond albedo 0.343 0.294 1.17 Geometric albedo 0.538 0.434 1.24 V-band magnitude V(1,0) -9.40 -3.99 - Solar irradiance (W/m 2 ) 50.26 1361.0 0.037 Black-body temperature (K) 109.9 254.0 0.433
Moment of inertia (I/MR
2 ) 0.254 0.3308 0.768 J 2 (x 10 -6 ) 14,736 1082.63 13.611
Number of natural satellites
95 1 Planetary ring system Yes No Orbital parameters Jupiter Earth Ratio (Jupiter/Earth) Semimajor axis (10 6 km) 778.479 149.598 5.204
Sidereal orbit period (days)
4,332.589 365.256 11.862
Tropical orbit period (days)
4,330.595 365.242 11.857 Perihelion (10 6 km) 740.595 147.095 5.035 Aphelion (10 6 km) 816.363 152.100 5.367 Synodic period (days) 398.88 - -
Mean orbital velocity (km/s)
13.06 29.78 0.439
Max. orbital velocity (km/s)
13.72 30.29 0.453
Min. orbital velocity (km/s)
12.44 29.29 0.425 Orbit inclination (deg) 1.304 0.000 - Orbit eccentricity 0.0487 0.0167 2.916
Sidereal rotation period (hrs)
9.9250* 23.9345 0.415
Length of day (hrs)
9.9259 24.0000 0.414
Obliquity to orbit (deg)
3.13 23.44 0.134
Inclination of equator (deg)
3.13 23.44 0.134
* System III (1965.0) coordinates
Jupiter Observational Parameters Discoverer: Unknown Discovery Date: Prehistoric Distance from Earth Minimum (10 6 km) 588.5 Maximum (10 6 km) 968.5
Apparent diameter from Earth
Maximum (seconds of arc) 50.1
Minimum (seconds of arc) 30.5
Mean values at opposition from Earth
Distance from Earth (10
6 km) 628.81
Apparent diameter (seconds of arc) 46.9
Apparent visual magnitude -2.7
Maximum apparent visual magnitude -2.94
Jupiter Mean Orbital Elements (J2000)
Semimajor axis (AU) 5.20336301
Orbital eccentricity 0.04839266
Orbital inclination (deg) 1.30530
Longitude of ascending node (deg) 100.55615
Longitude of perihelion (deg) 14.75385
Mean Longitude (deg) 34.40438
North Pole of Rotation
Right Ascension: 268.057 - 0.006T
Declination : 64.495 + 0.002T
Reference Date : 12:00 UT 1 Jan 2000 (JD 2451545.0)
T = Julian centuries from reference date
Jovian Magnetosphere Model GSFC-O 6
Dipole field strength: 4.30 Gauss-Rj
3
Dipole tilt to rotational axis: 9.4 degrees
Longitude of tilt: 200.1 degrees
Dipole offset: 0.119 Rj
Surface (1 Rj) field strength: 4.0 - 13.0 Gauss
Rj denotes Jovian model radius, defined here to be 71,398 km
Jovian Atmosphere
Surface Pressure: >>1000 bars
Temperature at 1 bar: 165 K (-108 C)
Temperature at 0.1 bar: 112 K (-161 C)
Density at 1 bar: 0.16 kg/m
3 Wind speeds
Up to 150 m/s (<30 degrees latitude)
Up to 40 m/s (>30 degrees latitude)
Scale height: 27 km
Mean molecular weight: 2.22
Atmospheric composition (by volume, uncertainty in parentheses)
Major: Molecular hydrogen (H
2
) - 89.8% (2.0%); Helium (He) - 10.2% (2.0%)
Minor (ppm): Methane (CH
4
) - 3000 (1000); Ammonia (NH
3
) - 260 (40);
Hydrogen Deuteride (HD) - 28 (10); Ethane (C
2 H 6
) - 5.8 (1.5);
Water (H 2
O) - 4 (varies with pressure)
Aerosols: Ammonia ice, water ice, ammonia hydrosulfide
Notes on the factsheets
- definitions of parameters, units, notes on sub- and superscripts, etc.
Jovian Satellite Fact Sheet
Jovian Rings Fact Sheet
Planetary Fact Table - metric units Planetary Fact Table - U.S. units Planetary Fact Table - Earth ratio Jupiter Home Page
Directory to other Planetary Fact Sheets
Author/Curator:
Dr. David R. Williams,
dave.williams@nasa.gov
NSSDCA, Mail Code 690.1
NASA Goddard Space Flight Center
Greenbelt, MD 20771 +1-301-286-1258
NASA Official: Dave Williams, david.r.williams@nasa.gov
Last Updated: 11 January 2024, DRW |