🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.08

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.68 AU - 0.82 AU

Year: 294 Days

Day: 28.8 Hours

Environment

Temp: -40 °C

Axial Tilt: 36 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.9

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.7 AU - 0.92 AU

Year: 330 Days

Day: 20 Hours

Environment

Temp: -45 °C

Axial Tilt: 42.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 22,895,663 km

• M1: 443,109 km (0.102 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.32

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.92 AU - 2.24 AU

Year: 1359 Days

Day: 28.8 Hours

Environment

Temp: -131 °C

Axial Tilt: 22.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 22,895,663 km

• M1: 198,516 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 185.7

Radius: 14

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 2.04 AU - 2.68 AU

Year: 1642 Days

Day: 13 Hours

Environment

Temp: -145 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 22,895,663 km

• M1: 176,226 km (0.069 R)
• M2: 687,103 km (0.06 R)
• M3: 1,587,981 km (0.036 R)
• M4: 2,215,993 km (0.07 R)
• M5: 3,386,896 km (0.086 R)
• M6: 4,293,758 km (0.067 R)
• M7: 5,062,242 km (0.079 R)
• M8: 6,852,031 km (0.045 R)
• M9: 8,636,285 km (0.071 R)

Asteroid Belt

Center: 2.69 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 344.9

Radius: 9.7

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 2.63 AU - 3.39 AU

Year: 2366 Days

Day: 6.4 Hours

Environment

Temp: -144 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 22,895,663 km

• M1: 140,472 km (0.104 R)
• M2: 1,032,674 km (0.119 R)
• M3: 1,537,866 km (0.118 R)
• M4: 1,950,607 km (0.099 R)
• M5: 2,373,370 km (0.082 R)
• M6: 2,943,189 km (0.119 R)
• M7: 3,276,642 km (0.047 R)
• M8: 3,755,056 km (0.063 R)
• M9: 5,633,257 km (0.099 R)
• M10: 6,420,890 km (0.094 R)
• M11: 8,603,224 km (0.117 R)
• M12: 9,679,431 km (0.079 R)
• M13: 10,422,184 km (0.075 R)
• M14: 10,878,757 km (0.113 R)
• M15: 11,202,487 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 834.4

Radius: 12.1

Gravity: 5.7 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 4.07 AU - 4.13 AU

Year: 3761 Days

Day: 12.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 22,895,663 km

• M1: 153,338 km (0.1 R)
• M2: 678,277 km (0.056 R)
• M3: 1,347,129 km (0.12 R)
• M4: 1,912,310 km (0.08 R)
• M5: 2,348,687 km (0.076 R)
• M6: 3,213,811 km (0.071 R)
• M7: 3,648,094 km (0.068 R)
• M8: 4,280,593 km (0.113 R)
• M9: 5,352,163 km (0.115 R)
• M10: 7,845,062 km (0.083 R)
• M11: 9,131,155 km (0.087 R)
• M12: 9,683,321 km (0.118 R)
• M13: 10,553,083 km (0.1 R)
• M14: 12,211,674 km (0.055 R)
• M15: 12,736,613 km (0.098 R)
• M16: 13,226,995 km (0.086 R)
• M17: 15,097,417 km (0.066 R)
• M18: 15,646,890 km (0.093 R)
• M19: 17,197,322 km (0.065 R)
• M20: 20,269,016 km (0.107 R)
• M21: 21,760,357 km (0.119 R)
• M22: 22,461,821 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 444.2

Radius: 9.5

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 3.96 AU - 4.58 AU

Year: 3997 Days

Day: 14.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 22,895,663 km

• M1: 196,721 km (0.107 R)
• M2: 583,880 km (0.104 R)
• M3: 1,037,760 km (0.09 R)
• M4: 2,025,854 km (0.053 R)
• M5: 2,610,483 km (0.116 R)
• M6: 3,002,429 km (0.103 R)
• M7: 3,377,471 km (0.114 R)
• M8: 3,763,434 km (0.117 R)
• M9: 4,222,101 km (0.084 R)
• M10: 4,811,965 km (0.108 R)
• M11: 6,071,878 km (0.116 R)
• M12: 8,099,977 km (0.113 R)
• M13: 10,502,668 km (0.118 R)
• M14: 11,844,561 km (0.082 R)
• M15: 13,726,652 km (0.034 R)
• M16: 16,718,160 km (0.11 R)
• M17: 17,557,255 km (0.066 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 60.5

Radius: 14.2

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 7.72 AU - 9.16 AU

Year: 11108 Days

Day: 6.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 22,895,663 km

• M1: 176,675 km (0.082 R)
• M2: 860,038 km (0.053 R)
• M3: 1,318,107 km (0.052 R)
• M4: 2,965,628 km (0.06 R)
• M5: 4,166,450 km (0.069 R)
• M6: 4,678,524 km (0.087 R)
• M7: 7,415,118 km (0.099 R)
• M8: 9,160,775 km (0.114 R)
• M9: 10,268,248 km (0.068 R)
• M10: 12,295,150 km (0.078 R)
• M11: 13,026,683 km (0.033 R)
• M12: 17,867,670 km (0.112 R)
• M13: 19,349,437 km (0.068 R)
• M14: 20,529,316 km (0.091 R)
• M15: 22,691,753 km (0.092 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 422 - 19,629 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit