🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.15

Radius: 0.47

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.68 AU - 1.02 AU

Year: 279 Days

Day: 28.6 Hours

Environment

Temp: 171 °C

Axial Tilt: 5.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.36

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 2.27 AU - 3.03 AU

Year: 1538 Days

Day: 23.7 Hours

Environment

Temp: -90 °C

Axial Tilt: 71.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 7.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 97.1

Radius: 9.8

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 6.65 AU - 8.17 AU

Year: 7190 Days

Day: 5.1 Hours

Environment

Temp: -161 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 51,471,767 km

• M1: 122,072 km (0.119 R)
• M2: 898,485 km (0.031 R)
• M3: 1,313,619 km (0.077 R)
• M4: 2,178,594 km (0.081 R)
• M5: 2,876,767 km (0.102 R)
• M6: 3,530,061 km (0.056 R)
• M7: 4,942,564 km (0.112 R)
• M8: 5,397,192 km (0.092 R)
• M9: 5,775,675 km (0.067 R)
• M10: 6,390,522 km (0.097 R)
• M11: 7,470,469 km (0.112 R)
• M12: 8,102,669 km (0.067 R)
• M13: 9,082,386 km (0.049 R)
• M14: 9,988,650 km (0.083 R)
• M15: 10,521,817 km (0.11 R)
• M16: 10,993,948 km (0.112 R)
• M17: 11,603,858 km (0.103 R)
• M18: 12,193,274 km (0.113 R)
• M19: 12,538,994 km (0.054 R)
• M20: 13,569,424 km (0.097 R)
• M21: 18,373,610 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 9.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 868.6

Radius: 13.7

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 7.99 AU - 10.33 AU

Year: 9882 Days

Day: 5 Hours

Environment

Temp: -176 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 51,471,767 km

• M1: 171,439 km (0.091 R)
• M2: 844,630 km (0.103 R)
• M3: 1,611,618 km (0.064 R)
• M4: 3,213,512 km (0.088 R)
• M5: 4,752,276 km (0.113 R)
• M6: 5,915,100 km (0.054 R)
• M7: 7,136,866 km (0.067 R)
• M8: 9,276,564 km (0.062 R)
• M9: 12,396,876 km (0.06 R)
• M10: 14,852,376 km (0.116 R)
• M11: 17,766,692 km (0.103 R)
• M12: 19,478,540 km (0.037 R)
• M13: 22,248,943 km (0.118 R)
• M14: 24,797,493 km (0.116 R)
• M15: 30,144,569 km (0.116 R)
• M16: 32,460,644 km (0.117 R)
• M17: 35,369,724 km (0.12 R)
• M18: 38,575,307 km (0.101 R)
• M19: 39,599,304 km (0.104 R)
• M20: 43,053,070 km (0.101 R)
• M21: 45,558,536 km (0.081 R)
• M22: 49,197,653 km (0.118 R)
• M23: 50,099,130 km (0.086 R)

Kuiper Belt

Range: 30.8 - 59.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 551 - 10,694 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit