🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.04

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.62 AU - 0.88 AU

Year: 232 Days

Day: 38.3 Hours

Environment

Temp: 123 °C

Axial Tilt: 38.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.39

Radius: 0.69

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.82 AU - 0.98 AU

Year: 304 Days

Day: 43.9 Hours

Environment

Temp: 106 °C

Axial Tilt: 39.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 67,376,732 km

• M1: 16,157 km (0.105 R)

Asteroid Belt

Center: 4.56 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 44.7

Radius: 15

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 6.41 AU - 10.03 AU

Year: 8400 Days

Day: 12.3 Hours

Environment

Temp: -154 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 67,376,732 km

• M1: 186,698 km (0.038 R)
• M2: 683,064 km (0.115 R)
• M3: 1,409,960 km (0.106 R)
• M4: 1,917,396 km (0.087 R)
• M5: 2,507,859 km (0.099 R)
• M6: 3,060,473 km (0.065 R)
• M7: 3,571,350 km (0.102 R)
• M8: 4,355,392 km (0.113 R)
• M9: 6,192,155 km (0.084 R)
• M10: 8,375,835 km (0.115 R)
• M11: 12,046,219 km (0.049 R)
• M12: 13,636,594 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 12.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 209.1

Radius: 8.5

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 11.3 AU - 12.98 AU

Year: 15077 Days

Day: 11.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 67,376,732 km

• M1: 113,994 km (0.098 R)
• M2: 439,369 km (0.118 R)
• M3: 1,044,941 km (0.111 R)
• M4: 2,015,532 km (0.068 R)
• M5: 2,734,350 km (0.118 R)
• M6: 5,492,785 km (0.113 R)
• M7: 6,266,206 km (0.037 R)
• M8: 6,808,349 km (0.105 R)
• M9: 7,186,981 km (0.103 R)
• M10: 8,536,952 km (0.113 R)
• M11: 15,128,533 km (0.117 R)
• M12: 16,370,794 km (0.102 R)
• M13: 18,834,821 km (0.027 R)
• M14: 21,135,187 km (0.059 R)
• M15: 22,105,629 km (0.082 R)
• M16: 25,195,124 km (0.038 R)
• M17: 33,826,173 km (0.099 R)
• M18: 34,374,748 km (0.11 R)
• M19: 40,806,709 km (0.115 R)
• M20: 41,428,438 km (0.059 R)
• M21: 42,436,278 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 12.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 808.6

Radius: 14

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 11.86 AU - 12.7 AU

Year: 15339 Days

Day: 5.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 67,376,732 km

• M1: 181,612 km (0.09 R)
• M2: 761,603 km (0.117 R)
• M3: 1,830,180 km (0.116 R)
• M4: 2,376,213 km (0.074 R)
• M5: 3,257,494 km (0.115 R)
• M6: 6,758,084 km (0.114 R)
• M7: 11,112,728 km (0.1 R)
• M8: 11,787,265 km (0.071 R)
• M9: 12,817,097 km (0.106 R)
• M10: 13,906,020 km (0.104 R)
• M11: 15,055,829 km (0.087 R)
• M12: 17,462,559 km (0.078 R)
• M13: 18,714,993 km (0.102 R)
• M14: 19,494,547 km (0.093 R)
• M15: 23,422,688 km (0.073 R)
• M16: 24,738,401 km (0.062 R)
• M17: 30,734,883 km (0.118 R)
• M18: 34,711,044 km (0.076 R)
• M19: 45,040,478 km (0.06 R)
• M20: 51,993,787 km (0.067 R)
• M21: 55,991,491 km (0.114 R)

Kuiper Belt

Range: 30.8 - 54.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 512 - 17,447 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit