🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.61

Radius: 1.21

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.48 AU - 0.62 AU

Year: 259 Days

Day: 18.6 Hours

Environment

Temp: -116 °C

Axial Tilt: 19 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 13,071,309 km

• M1: 28,274 km (0.071 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.09

Radius: 1.04

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.57 AU - 0.71 AU

Year: 326 Days

Day: 32 Hours

Environment

Temp: -130 °C

Axial Tilt: 35.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 13,071,309 km

• M1: 54,005 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 757

Radius: 14.4

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.62 AU - 1.04 AU

Year: 481 Days

Day: 11.7 Hours

Environment

Temp: -152 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 13,071,309 km

• M1: 179,218 km (0.12 R)
• M2: 658,081 km (0.102 R)
• M3: 1,171,501 km (0.071 R)
• M4: 1,625,680 km (0.048 R)
• M5: 2,087,339 km (0.094 R)
• M6: 2,867,791 km (0.111 R)
• M7: 3,503,732 km (0.063 R)
• M8: 4,551,964 km (0.062 R)
• M9: 5,223,359 km (0.111 R)
• M10: 5,782,706 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 699.4

Radius: 9.3

Gravity: 8.09 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.41 AU - 1.99 AU

Year: 1409 Days

Day: 8.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 13,071,309 km

• M1: 117,135 km (0.1 R)
• M2: 409,300 km (0.057 R)
• M3: 804,388 km (0.096 R)
• M4: 1,304,194 km (0.07 R)
• M5: 2,121,896 km (0.115 R)
• M6: 2,540,321 km (0.111 R)
• M7: 2,900,104 km (0.055 R)
• M8: 3,370,590 km (0.103 R)
• M9: 4,298,096 km (0.098 R)
• M10: 5,217,974 km (0.106 R)
• M11: 5,603,188 km (0.107 R)
• M12: 6,030,290 km (0.05 R)
• M13: 6,748,958 km (0.105 R)
• M14: 7,416,913 km (0.047 R)
• M15: 8,327,365 km (0.112 R)
• M16: 9,218,221 km (0.106 R)
• M17: 10,336,166 km (0.091 R)
• M18: 11,364,352 km (0.103 R)
• M19: 12,123,711 km (0.091 R)
• M20: 12,993,622 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217.3

Radius: 13.2

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 2.12 AU - 2.9 AU

Year: 2528 Days

Day: 12.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 13,071,309 km

• M1: 164,258 km (0.105 R)
• M2: 623,823 km (0.08 R)
• M3: 1,190,350 km (0.12 R)
• M4: 2,774,741 km (0.079 R)
• M5: 3,659,912 km (0.057 R)
• M6: 4,258,453 km (0.09 R)
• M7: 5,458,378 km (0.05 R)
• M8: 5,942,626 km (0.051 R)
• M9: 8,174,925 km (0.1 R)
• M10: 8,811,015 km (0.112 R)
• M11: 9,954,841 km (0.097 R)
• M12: 13,071,264 km (0.086 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 289 - 15,054 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit