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RF Cafe began life in 1996 as "RF Tools" in an AOL screen name web space totaling 2 MB. Its primary purpose was to provide me with ready access to commonly needed formulas and reference material while performing my work as an RF system and circuit design engineer. The World Wide Web (Internet) was largely an unknown entity at the time and bandwidth was a scarce commodity. Dial-up modems blazed along at 14.4 kbps while typing up your telephone line, and a nice lady's voice announced "You've Got Mail" when a new message arrived...

All trademarks, copyrights, patents, and other rights of ownership to images and text used on the RF Cafe website are hereby acknowledged.

My Hobby Website:

AirplanesAndRockets.com

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The Solar System

The relative orbits of our sun and nine (er... make than eight planets, plus the former planet , Pluto) planets is shown here. There is an asteroid belt that lies midway between the orbits of Mars and Jupiter. Pluto, Ceres and Eris are known formally as minor planes because their sizes do not qualify them are full-fledged planets. Pluto was demoted from its planet status by the IAU in 2006.

All of the planets lie within a few degrees of the "ecliptic plane," as can be seen in the image below. All planets except Uranus have their axis of spin oriented relatively perpendicular to the ecliptic plane. Uranus' spin axis lies roughly in its direction of its orbital path around the sun.

Please contact me if you would like a higher resolution version for your project or report.

Solar System Diargam - RF Cafe

Planet	Orbital Max Radius (10⁶ km)	Orbital Min Radius (10⁶ km)	Orbital Revolution	Planet Rotation	Orbital Speed (km/s)	Axis/Orbit (*)	Mass (**)	Surface Escape Velocity (km/s)
Mercury	69.7	45.9	88 d	59 d	47.9	28º/7º	0.055	4.4
Venus	109	107.4	224.7 d	(-)243 d	35	3.0º/3.4º	0.815	10.4
Earth (moon)	152.1	147.1	365.26 d	23h,56m,4s	29.8	23º 27'/0º	1	11.2 (2.4)
Mars	249.1	206.7	687 d	24h,37m,23s	24.1	23º 59'/1.9º	0.108	5.0
Jupiter	815.7	740.9	11.86 y	9h,50m,30s	13.1	3º 5'/1.3º	317.9	59.5
Saturn	1507	1347	29.46 y	10h,14m	9.6	26º 44'/2.5º	95.2	35.5
Uranus	3004	2735	84.01 y	(-)11 h	6.8	82º 5'/0.8º	14.6	21.3
Neptune	4537	4456	164.8 y	16 h	5.4	28º 48'/1.8º	17.2	23.5
Pluto	7375	4425	247.7 y	6d,9h	4.7	---º/17.2º	0.1	1.3

* : inclination to ecliptic (Earth's orbital plane)
** : Mass relative to earth
(-) : retrograde motion

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