🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.77

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.04 AU - 1.2 AU

Year: 429 Days

Day: 34.8 Hours

Environment

Temp: 31 °C

Axial Tilt: 17.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.28

Radius: 0.6

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 2.19 AU - 2.51 AU

Year: 1303 Days

Day: 21.8 Hours

Environment

Temp: -73 °C

Axial Tilt: 5.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.45

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 2.21 AU - 2.89 AU

Year: 1473 Days

Day: 38.5 Hours

Environment

Temp: -95 °C

Axial Tilt: 21.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.75

Radius: 1.25

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 3.06 AU - 4.48 AU

Year: 2647 Days

Day: 12.8 Hours

Environment

Temp: -118 °C

Axial Tilt: 8.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 7.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 155.8

Radius: 9.9

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 6.39 AU - 7.89 AU

Year: 6900 Days

Day: 12.1 Hours

Environment

Temp: -160 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 55,106,998 km

• M1: 123,119 km (0.081 R)
• M2: 453,282 km (0.037 R)
• M3: 977,472 km (0.091 R)
• M4: 1,632,562 km (0.046 R)
• M5: 2,166,327 km (0.041 R)
• M6: 2,715,501 km (0.097 R)
• M7: 3,681,304 km (0.064 R)
• M8: 4,243,344 km (0.036 R)
• M9: 6,537,876 km (0.119 R)
• M10: 7,917,168 km (0.115 R)
• M11: 8,854,249 km (0.098 R)
• M12: 9,405,966 km (0.115 R)
• M13: 10,618,756 km (0.104 R)
• M14: 11,115,122 km (0.09 R)
• M15: 11,713,812 km (0.07 R)
• M16: 12,243,987 km (0.118 R)
• M17: 12,790,020 km (0.12 R)
• M18: 14,626,932 km (0.063 R)
• M19: 15,034,885 km (0.075 R)
• M20: 17,077,943 km (0.032 R)
• M21: 19,790,602 km (0.109 R)
• M22: 20,797,994 km (0.101 R)
• M23: 22,238,322 km (0.042 R)

Planet 6 - Ice Giant

Semi-Major Axis: 19.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 115.3

Radius: 5.3

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 14.49 AU - 23.59 AU

Year: 30046 Days

Day: 24.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 55,106,998 km

• M1: 67,469 km (0.083 R)
• M2: 295,605 km (0.106 R)
• M3: 554,111 km (0.06 R)
• M4: 1,938,040 km (0.116 R)
• M5: 2,425,729 km (0.107 R)
• M6: 3,062,418 km (0.062 R)
• M7: 3,280,981 km (0.101 R)
• M8: 3,999,948 km (0.118 R)
• M9: 4,786,533 km (0.108 R)
• M10: 6,345,194 km (0.104 R)
• M11: 7,281,676 km (0.056 R)
• M12: 9,374,102 km (0.054 R)
• M13: 9,940,629 km (0.083 R)
• M14: 13,120,332 km (0.092 R)
• M15: 18,463,668 km (0.115 R)
• M16: 21,831,715 km (0.072 R)
• M17: 22,460,475 km (0.101 R)
• M18: 30,636,447 km (0.118 R)
• M19: 31,537,625 km (0.113 R)
• M20: 34,588,823 km (0.114 R)
• M21: 37,447,189 km (0.052 R)
• M22: 38,217,918 km (0.086 R)
• M23: 47,855,312 km (0.1 R)

Kuiper Belt

Range: 30.3 - 52.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 347 - 10,686 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit