🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1

Radius: 1

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.46 AU - 0.64 AU

Year: 268 Days

Day: 13.8 Hours

Environment

Temp: -115 °C

Axial Tilt: 10.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.52

Radius: 0.77

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.48 AU - 0.64 AU

Year: 275 Days

Day: 33.1 Hours

Environment

Temp: -116 °C

Axial Tilt: 34.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.63

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.51 AU - 0.75 AU

Year: 328 Days

Day: 21.2 Hours

Environment

Temp: -130 °C

Axial Tilt: 38.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 937.8

Radius: 11.7

Gravity: 6.85 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.28 AU - 1.28 AU

Year: 950 Days

Day: 14.9 Hours

Environment

Temp: -180 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 69,140,499 km

• M1: 145,559 km (0.106 R)
• M2: 534,962 km (0.098 R)
• M3: 932,743 km (0.101 R)
• M4: 1,317,508 km (0.077 R)
• M5: 1,683,126 km (0.104 R)
• M6: 2,213,600 km (0.072 R)
• M7: 3,066,308 km (0.096 R)
• M8: 3,493,858 km (0.098 R)
• M9: 3,961,202 km (0.078 R)
• M10: 4,487,787 km (0.102 R)
• M11: 5,640,289 km (0.102 R)
• M12: 6,286,103 km (0.117 R)
• M13: 6,696,898 km (0.1 R)
• M14: 7,496,798 km (0.1 R)
• M15: 8,064,672 km (0.119 R)
• M16: 8,970,188 km (0.062 R)
• M17: 9,790,582 km (0.056 R)
• M18: 10,596,466 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 476.2

Radius: 13.7

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.42 AU - 1.58 AU

Year: 1205 Days

Day: 13 Hours

Environment

Temp: -185 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 69,140,499 km

• M1: 170,392 km (0.119 R)
• M2: 603,478 km (0.071 R)
• M3: 1,130,212 km (0.115 R)
• M4: 1,902,885 km (0.103 R)
• M5: 2,540,621 km (0.118 R)
• M6: 3,488,772 km (0.091 R)
• M7: 4,434,829 km (0.095 R)
• M8: 5,505,800 km (0.094 R)
• M9: 6,926,681 km (0.105 R)
• M10: 7,402,402 km (0.116 R)
• M11: 8,053,302 km (0.099 R)
• M12: 8,769,577 km (0.058 R)
• M13: 9,470,293 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 555.5

Radius: 15

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 3.74 AU - 5.4 AU

Year: 6409 Days

Day: 13.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 69,140,499 km

• M1: 187,297 km (0.1 R)
• M2: 881,131 km (0.062 R)
• M3: 1,615,358 km (0.096 R)
• M4: 2,447,122 km (0.117 R)
• M5: 3,001,083 km (0.113 R)
• M6: 3,594,986 km (0.059 R)
• M7: 4,967,547 km (0.101 R)
• M8: 8,175,823 km (0.085 R)
• M9: 9,011,177 km (0.03 R)
• M10: 12,467,337 km (0.109 R)
• M11: 15,036,680 km (0.075 R)
• M12: 17,103,076 km (0.109 R)
• M13: 18,403,829 km (0.107 R)
• M14: 20,692,976 km (0.091 R)
• M15: 25,747,140 km (0.057 R)
• M16: 27,892,822 km (0.071 R)
• M17: 31,474,494 km (0.103 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147.8

Radius: 13.3

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 3.89 AU - 5.85 AU

Year: 7050 Days

Day: 12.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 69,140,499 km

• M1: 171,290 km (0.114 R)
• M2: 640,728 km (0.098 R)
• M3: 1,301,352 km (0.063 R)
• M4: 2,078,214 km (0.05 R)
• M5: 2,907,435 km (0.095 R)
• M6: 3,455,561 km (0.112 R)
• M7: 4,178,418 km (0.11 R)
• M8: 5,424,269 km (0.107 R)
• M9: 5,899,691 km (0.08 R)
• M10: 6,965,127 km (0.075 R)
• M11: 8,222,946 km (0.098 R)
• M12: 8,924,261 km (0.115 R)
• M13: 10,128,973 km (0.086 R)
• M14: 12,314,298 km (0.098 R)
• M15: 14,950,512 km (0.102 R)
• M16: 19,733,306 km (0.051 R)
• M17: 21,837,250 km (0.063 R)
• M18: 22,570,579 km (0.065 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 571.5

Radius: 4.5

Gravity: 28.22 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 7.07 AU - 11.78 AU

Year: 18966 Days

Day: 18 Hours

Environment

Temp: -234 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 69,140,499 km

• M1: 63,130 km (0.087 R)
• M2: 204,201 km (0.078 R)
• M3: 372,050 km (0.04 R)
• M4: 3,876,829 km (0.075 R)
• M5: 6,226,263 km (0.112 R)
• M6: 8,134,085 km (0.112 R)
• M7: 13,053,013 km (0.118 R)
• M8: 15,278,730 km (0.088 R)
• M9: 15,659,905 km (0.045 R)
• M10: 16,361,968 km (0.056 R)
• M11: 18,507,800 km (0.109 R)
• M12: 20,007,967 km (0.086 R)
• M13: 21,208,341 km (0.12 R)
• M14: 21,492,128 km (0.103 R)
• M15: 29,084,519 km (0.117 R)
• M16: 32,213,807 km (0.082 R)
• M17: 32,714,212 km (0.028 R)
• M18: 55,088,518 km (0.118 R)
• M19: 67,291,965 km (0.06 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 360 - 12,700 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit