10,410~The length of a day on Mars is 24 hours, 37 minutes and 22 seconds.

__________________


"Life is too short to wake up in the morning with regrets. So love the people who treat you right, forget about the ones who don't, and believe that everything happens for a reason. If you get a chance, take it. If it changes your life, then let it, and if you have to wait for what you really want, take the time because nobody said that life would be easy. They just promised it would be worth it." ~ Unknown author

10411

And if you listen carefully during the first few minutes of the CD "The Screen Behind the Mirror" by Enigma, several statistics about Mars are given.

10412

I swear we've done this before, but the following is taken from
solarsystem.nasa.gov

10413

Mercury



Distance from the Sun
(Semimajor axis of orbit)
57,909,175 km
0.38709893 A.U.

Mean Equatorial Radius
2,439.7 km
(0.3825 of Earth's radius)

Volume (Earth = 1)
0.054

Mass
0.3302 × 1027 g

Density
5.43 gm/cm3

Surface Gravity
370 cm/s2

Escape Velocity (at equator)
4.25 km/s

Sidereal Rotation Period
58.646225 days

Sidereal Orbit Period
0.2408467 sidereal years

Mean Orbit Velocity
47.8725 km/s

Orbit Eccentricity
0.20563069

Orbit Inclination to Ecliptic
7.00487 degrees

Inclination of Equator to Orbit
0.0 degrees

Mean Temperature at Solid Surface
440 K

10414

Venus



Distance from the Sun
(Semimajor axis of orbit)
108,208,930 km
0.72333199 A.U.

Mean Equatorial Radius
6,051.8 km
(0.9488 of Earth's radius)

Volume (Earth = 1)
0.88

Mass
4.8690 × 1027 g

Density
5.24 gm/cm3

Surface Gravity
887 cm/s2

Escape Velocity (at equator)
10.36 km/s

Sidereal Rotation Period
-243.0187 days (retrograde)

Sidereal Orbit Period
0.61519726 sidereal years

Mean Orbit Velocity
35.0214 km/s

Orbit Eccentricity
0.00677323

Orbit Inclination to Ecliptic
3.39471 degrees

Inclination of Equator to Orbit
177.3 degrees

Mean Temperature at Solid Surface
730 K

Major Atmospheric Constituents
CO2, N2

Natural Satellites
None

10415

Earth



Distance from the Sun
(Semimajor axis of orbit)
149,597,890 km
1 A.U.

Mean Equatorial Radius
6,378.14 km

Equatorial circumference
40,000 km (C=2*p*r)

Mass
5.9742 × 1027 g

Density
5.515 gm/cm3

Surface Gravity
980 cm/s2

Escape Velocity
11.18 km/s

Sidereal Rotation Period
0.99726968 day

Sidereal Orbit Period
1.0000174 sidereal years

Mean Orbit Velocity
29.7859 km/s

Orbit Eccentricity
0.01671022

Orbit Inclination to Ecliptic
0.00005 degree

Inclination of Equator to Orbit
23.45 degrees

Mean Temperature at Solid Surface
288 to 293 K

Atmospheric Temperature (at level with pressure = 1 bar)
288 K

Major Atmospheric Constituents
N2, O2

Natural Satellites
1. The Moon

10416

Earth's Moon

Distance from the Earth
384,401 km

Radius
1737.4 km

Mass
7.3483 × 1025 g

Density
3.341 g/cm3

Surface Gravity
162.2 cm/s2

Escape Velocity
2.38 km/s

Rotational Period
Synchronous

Orbital Period
27.321661 days

Mean Orbit Velocity
1.023 km/s

Orbit Eccentricity
0.05490049

Orbit Inclination
18.28 - 28.58 degrees

Mean Surface Temperature
107° C (day), -153° C (night)

10417

Mars



Distance from the Sun
(Semimajor axis of orbit)
227,936,640 km
1.52366231 A.U.

Mean Equatorial Radius
3,397 km
(0.5326 of Earth's radius)

Volume (Earth = 1)
0.149

Mass
0.64191 x 1027 g

Density
3.94 gm/cm3

Surface Gravity
371 cm/s2

Escape Velocity
5.02 km/s

Sidereal Rotation Period (Earth days)
1.02595675

Sidereal Orbit Period
1.8808476 sidereal years

Mean Orbit Velocity
24.1309 km/s

Orbit Eccentricity
0.09341233

Orbit Inclination to Ecliptic
1.85061 degrees

Inclination of Equator to Orbit
25.19 degrees

Mean Temperature at Solid Surface
186 to 268 K

Major Atmospheric Constituents
CO2, N2, Ar

Natural Satellites
1. Phobos
2. Deimos

10418

Asteroid Belt

Most are located between Mars and Jupiter.
"Asteroid" is 'star-like' in Greek.

See http://solarsystem.nasa.gov/feature.../asteroids.html

for more details than I feel like cutting and pasting here

10419

Jupiter

Distance from the Sun
(Semimajor axis of orbit)
778,412,010 km
5.20336301 A.U.

Mean Equatorial Radius
71,492 km
(11.209 of Earth's radius)

Volume (Earth = 1)
1316

Mass
1,898.7 × 1027 g

Density
1.33 gm/cm3

Gravity
2312 cm/s2

Escape Velocity (at equator)
59.54 km/s

Sidereal Rotation Period
0.41354 day

Sidereal Orbit Period
11.862615 sidereal years

Mean Orbit Velocity
13.0697 km/s

Orbit Eccentricity
0.04839266

Orbit Inclination to Ecliptic
1.30530 degrees

Inclination of Equator to Orbit
3.12 degrees

Mean Temperature at Solid Surface
288 to 293 K

Atmospheric Temperature (at level with pressure = 1 bar)
165 K

Major Atmospheric Constituents
H2, He

Natural Satellites
(approximately 58, possibly more - see NASA website for complete list)

10420

Saturn

Distance from the Sun
(Semimajor axis of orbit)
1,426,725,400 km
9.53707032 A.U.

Mean Equatorial Radius
60,268 km
(9.449 of Earth's radius)

Volume (Earth = 1)
755

Mass
568.51 × 1027 g

Density
0.70 gm/cm3

Gravity
896 cm/s2

Escape Velocity (at equator)
35.49 km/s

Sidereal Rotation Period (Earth days)
0.44401 day

Sidereal Orbit Period
29.447498 sidereal years

Mean Orbit Velocity
9.6724 km/s

Orbit Eccentricity
0.05415060

Orbit Inclination to Ecliptic
2.48446 degrees

Inclination of Equator to Orbit
26.73 degrees

Atmospheric Temperature (at level with pressure = 1 bar)
134 K

Major Atmospheric Constituents
H2, He

Natural Satellites
(approximately 30 - see NASA website for complete list)

10421

Uranus
(pronounced YOOR un nus)

NOT Your Anus

Distance from the Sun
(Semimajor axis of orbit)
2,870,972,200 km
19.19126393 A.U.

Mean Equatorial Radius
25,559 km
(4.007 of Earth's radius)

Volume (Earth = 1)
52

Mass
86.849 × 1027 g

Density
1.30 gm/cm3

Gravity
869 cm/s2

Escape Velocity
21.29 km/s

Sidereal Rotation Period (Earth days)
0.71833 (retrograde)

Sidereal Orbit Period
84.016846 sidereal years

Mean Orbit Velocity
6.8352 km/s

Orbit Eccentricity
0.04716771

Orbit Inclination to Ecliptic
0.76986 degrees

Inclination of Equator to Orbit
97.86 degrees

Atmospheric Temperature (at level with pressure = 1 bar)
76 K

Major Atmospheric Constituents
H2, He, CH4

Natural Satellites
(approximately 21 - see NASA website for complete list)

10422

Neptune

Distance from the Sun
(Semimajor axis of orbit)
4,498,252,900 km
30.06896348 A.U.

Mean Equatorial Radius
24,764 km
(3.883 of Earth's radius)

Volume (Earth = 1)
44

Mass
102.44 × 1027 g

Density
1.76 gm/cm3

Gravity
1100 cm/s2

Escape Velocity
23.71 km/s

Sidereal Rotation Period (Earth days)
0.67125

Sidereal Orbit Period
164.79132 sidereal years

Mean Orbit Velocity
5.4778 km/s

Orbit Eccentricity
0.00858587

Orbit Inclination to Ecliptic
1.76917 degrees

Inclination of Equator to Orbit
29.58 degrees

Atmospheric Temperature (at level with pressure = 1 bar)
73 K

Major Atmospheric Constituents
H2, He, CH4

Natural Satellites
(approximately 11 - see NASA website for complete list)

10423

Pluto



Discovered By
Clyde Tombaugh

Date of Discovery
1930

Distance from the Sun
(Semimajor axis of orbit)
5,906,376,200 km
39.48168677 A.U.
(Note: Pluto's highly elliptical orbit around our Sun varies from 29.6 AU to 49.6 AU - averaging 39.6 AU.)

Mean Equatorial Radius
1,180 km
(0.180 of Earth's radius)

Volume
0.005 (Earth = 1)

Mass
0.013 × 1027 g

Density
2.0 gm/cm3

Surface Gravity
60 cm/s2

Escape Velocity
1.2 km/s

Sidereal Rotation Period (Earth days)
-6.38718 (retrograde)

Sidereal Orbit Period
247.92065 sidereal years

Mean Orbit Velocity
4.7490 km/s

Orbit Eccentricity
0.24880766

Orbit Inclination
17.14175 degrees

Equatorial Inclination
119.61 degrees

Mean Surface Temperature
40 K

Natural Satellites
1. Charon

10424

Out of order, I know, but:

The Sun

Spectral Type
G2 V

Radius
6.955 × 1010 cm

Volume
1.4122 × 1033 cm3

Surface Area
6.087 × 1022 cm2

Mass
1.989 × 1033 g

Mean Density
1.409 gm/cm3

Gravity at Surface
2.740 × 104 cm/s2

Escape Velocity
6.177 × 107 cm/s

Sidereal Rotation Period
25.38 days

Synodic Period
27.2753 days

Inclination of Equator to Ecliptic
7 degrees, 15 minutes

Mean Distance from Earth
1.495979 × 1013 cm

Solar Constant
(Total Solar Irradiance)
1.365 - 1.369 kW/m2
(at the mean distance of the earth from the Sun, about one AU)

Effective Temperature
5777 K

Velocity Relative to Near Stars
19.7 km/s

Age of Sun
4.5 - 4.7 × 109 years