🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 182

Radius: 12.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.79 AU - 0.83 AU

Year: 486 Days

Day: 7.2 Hours

Environment

Temp: -157 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 26,356,978 km

• M1: 154,235 km (0.094 R)
• M2: 663,018 km (0.026 R)
• M3: 1,321,099 km (0.092 R)
• M4: 1,854,266 km (0.111 R)
• M5: 2,356,316 km (0.114 R)
• M6: 2,746,617 km (0.109 R)
• M7: 3,594,837 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 615

Radius: 11.2

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.11 AU - 1.29 AU

Year: 877 Days

Day: 8.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 26,356,978 km

• M1: 139,575 km (0.081 R)
• M2: 495,618 km (0.106 R)
• M3: 985,700 km (0.087 R)
• M4: 1,700,479 km (0.099 R)
• M5: 3,221,291 km (0.086 R)
• M6: 3,591,994 km (0.083 R)
• M7: 4,083,723 km (0.054 R)
• M8: 4,637,235 km (0.065 R)
• M9: 5,755,479 km (0.108 R)
• M10: 6,117,805 km (0.091 R)
• M11: 6,602,801 km (0.118 R)
• M12: 8,139,022 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 903.8

Radius: 11.4

Gravity: 6.95 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 2.9 AU - 3.62 AU

Year: 3925 Days

Day: 14.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 26,356,978 km

• M1: 143,315 km (0.08 R)
• M2: 544,087 km (0.069 R)
• M3: 1,035,068 km (0.104 R)
• M4: 1,406,968 km (0.07 R)
• M5: 1,856,958 km (0.094 R)
• M6: 2,663,141 km (0.072 R)
• M7: 3,360,716 km (0.082 R)
• M8: 4,199,511 km (0.085 R)
• M9: 5,613,062 km (0.098 R)
• M10: 8,130,644 km (0.066 R)
• M11: 9,313,814 km (0.107 R)
• M12: 9,718,925 km (0.12 R)
• M13: 10,521,368 km (0.068 R)
• M14: 11,140,404 km (0.095 R)
• M15: 14,072,821 km (0.118 R)
• M16: 18,992,198 km (0.074 R)
• M17: 20,789,466 km (0.11 R)
• M18: 21,977,722 km (0.091 R)
• M19: 22,335,710 km (0.089 R)
• M20: 24,489,171 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 651.6

Radius: 14.7

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 3.32 AU - 3.48 AU

Year: 4181 Days

Day: 11.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 26,356,978 km

• M1: 183,407 km (0.079 R)
• M2: 1,064,838 km (0.099 R)
• M3: 1,858,006 km (0.107 R)
• M4: 2,552,140 km (0.102 R)
• M5: 3,041,474 km (0.032 R)
• M6: 3,948,636 km (0.111 R)
• M7: 4,609,260 km (0.11 R)
• M8: 7,370,837 km (0.095 R)
• M9: 8,055,097 km (0.067 R)
• M10: 8,893,893 km (0.08 R)
• M11: 9,393,400 km (0.106 R)
• M12: 9,911,607 km (0.086 R)
• M13: 10,575,672 km (0.104 R)
• M14: 11,225,076 km (0.045 R)
• M15: 12,844,174 km (0.06 R)
• M16: 13,684,764 km (0.078 R)
• M17: 15,751,758 km (0.119 R)
• M18: 16,889,151 km (0.044 R)
• M19: 17,837,901 km (0.095 R)
• M20: 19,455,203 km (0.109 R)
• M21: 23,776,936 km (0.088 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 546 - 10,961 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit