🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.36

Radius: 1.62

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.67 AU - 0.97 AU

Year: 263 Days

Day: 36.3 Hours

Environment

Temp: 164 °C

Axial Tilt: 153.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.96

Radius: 1.31

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.85 AU - 0.91 AU

Year: 293 Days

Day: 32.8 Hours

Environment

Temp: 184 °C

Axial Tilt: 9.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.62

Radius: 1.21

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.67 AU - 2.37 AU

Year: 1019 Days

Day: 39.4 Hours

Environment

Temp: -51 °C

Axial Tilt: 10.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.14

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.76 AU - 2.28 AU

Year: 1019 Days

Day: 15.1 Hours

Environment

Temp: -57 °C

Axial Tilt: 11.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.51

Radius: 1.45

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 4.24 AU - 5.54 AU

Year: 3836 Days

Day: 34.2 Hours

Environment

Temp: -135 °C

Axial Tilt: 5.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.19 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 7.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 70.5

Radius: 13.9

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 6.25 AU - 8.73 AU

Year: 7272 Days

Day: 10.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 44,633,061 km

• M1: 172,935 km (0.115 R)
• M2: 1,076,805 km (0.114 R)
• M3: 1,758,373 km (0.063 R)
• M4: 2,673,613 km (0.062 R)
• M5: 3,683,399 km (0.09 R)
• M6: 5,440,276 km (0.116 R)
• M7: 17,843,286 km (0.075 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 567.9

Radius: 9

Gravity: 7.01 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 8.65 AU - 11.31 AU

Year: 11185 Days

Day: 13.4 Hours

Environment

Temp: -160 °C

Axial Tilt: 168.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 44,633,061 km

• M1: 119,529 km (0.088 R)
• M2: 418,425 km (0.082 R)
• M3: 924,066 km (0.061 R)
• M4: 1,639,443 km (0.103 R)
• M5: 2,789,103 km (0.11 R)
• M6: 5,073,911 km (0.04 R)
• M7: 6,495,540 km (0.036 R)
• M8: 7,400,607 km (0.058 R)
• M9: 7,692,173 km (0.079 R)
• M10: 11,873,583 km (0.088 R)
• M11: 12,448,039 km (0.095 R)
• M12: 20,615,634 km (0.044 R)
• M13: 26,124,575 km (0.106 R)
• M14: 26,802,254 km (0.079 R)
• M15: 27,890,877 km (0.086 R)
• M16: 32,764,028 km (0.036 R)
• M17: 34,122,826 km (0.06 R)
• M18: 44,292,190 km (0.088 R)
• M19: 48,519,526 km (0.091 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 360.4

Radius: 9.6

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 10.03 AU - 13.03 AU

Year: 13889 Days

Day: 9.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 44,633,061 km

• M1: 119,529 km (0.074 R)
• M2: 570,716 km (0.111 R)
• M3: 2,075,521 km (0.057 R)
• M4: 2,436,800 km (0.06 R)
• M5: 4,353,747 km (0.094 R)
• M6: 7,273,149 km (0.105 R)
• M7: 9,938,086 km (0.065 R)
• M8: 11,963,791 km (0.113 R)
• M9: 13,684,316 km (0.115 R)
• M10: 16,530,565 km (0.096 R)
• M11: 18,506,753 km (0.086 R)
• M12: 21,971,140 km (0.083 R)
• M13: 23,541,768 km (0.06 R)
• M14: 24,354,683 km (0.074 R)
• M15: 27,003,164 km (0.097 R)
• M16: 28,803,724 km (0.11 R)
• M17: 40,413,566 km (0.086 R)

Planet 9 - Gas Giant

Semi-Major Axis: 11.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 258.8

Radius: 14.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 11.87 AU - 11.99 AU

Year: 14618 Days

Day: 8.9 Hours

Environment

Temp: -171 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 44,633,061 km

• M1: 180,265 km (0.098 R)
• M2: 979,866 km (0.103 R)
• M3: 1,881,642 km (0.116 R)
• M4: 2,377,709 km (0.088 R)
• M5: 3,473,812 km (0.061 R)
• M6: 5,637,446 km (0.047 R)
• M7: 6,798,326 km (0.093 R)
• M8: 7,903,555 km (0.106 R)
• M9: 9,403,124 km (0.114 R)
• M10: 10,171,309 km (0.027 R)
• M11: 11,508,714 km (0.113 R)
• M12: 12,786,878 km (0.048 R)
• M13: 16,634,386 km (0.119 R)
• M14: 19,008,953 km (0.079 R)
• M15: 20,081,719 km (0.031 R)
• M16: 22,515,976 km (0.117 R)
• M17: 24,067,754 km (0.053 R)
• M18: 26,059,949 km (0.119 R)
• M19: 26,527,592 km (0.074 R)
• M20: 27,770,002 km (0.054 R)
• M21: 34,345,577 km (0.105 R)
• M22: 37,813,555 km (0.111 R)
• M23: 42,404,264 km (0.109 R)
• M24: 44,633,123 km (0.092 R)

Kuiper Belt

Range: 30.9 - 56.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 335 - 12,989 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit