🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 473.6

Radius: 11.9

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.58 AU - 0.66 AU

Year: 331 Days

Day: 9.4 Hours

Environment

Temp: -148 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 25,263,020 km

• M1: 147,952 km (0.104 R)
• M2: 522,545 km (0.115 R)
• M3: 901,477 km (0.103 R)
• M4: 1,412,204 km (0.088 R)
• M5: 1,810,882 km (0.06 R)
• M6: 2,442,185 km (0.11 R)
• M7: 2,938,102 km (0.093 R)
• M8: 3,722,743 km (0.057 R)
• M9: 4,232,573 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 936.1

Radius: 13.9

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.69 AU - 0.93 AU

Year: 494 Days

Day: 6.7 Hours

Environment

Temp: -170 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 25,263,020 km

• M1: 172,935 km (0.081 R)
• M2: 607,068 km (0.054 R)
• M3: 1,156,092 km (0.089 R)
• M4: 1,690,905 km (0.076 R)
• M5: 2,238,583 km (0.063 R)
• M6: 2,718,193 km (0.062 R)
• M7: 3,303,570 km (0.071 R)
• M8: 3,766,575 km (0.053 R)
• M9: 4,258,603 km (0.113 R)
• M10: 5,547,388 km (0.095 R)
• M11: 6,340,407 km (0.091 R)
• M12: 6,774,540 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 695.4

Radius: 12.2

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 2.64 AU - 3.06 AU

Year: 3263 Days

Day: 13.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 25,263,020 km

• M1: 151,692 km (0.097 R)
• M2: 564,283 km (0.066 R)
• M3: 1,436,140 km (0.114 R)
• M4: 1,844,243 km (0.067 R)
• M5: 2,260,274 km (0.112 R)
• M6: 3,267,965 km (0.108 R)
• M7: 4,374,541 km (0.11 R)
• M8: 5,402,129 km (0.072 R)
• M9: 6,409,670 km (0.101 R)
• M10: 7,315,336 km (0.072 R)
• M11: 7,931,829 km (0.092 R)
• M12: 8,338,885 km (0.087 R)
• M13: 9,991,343 km (0.075 R)
• M14: 11,292,694 km (0.099 R)
• M15: 12,206,139 km (0.09 R)
• M16: 17,527,934 km (0.044 R)
• M17: 18,220,572 km (0.098 R)
• M18: 19,476,596 km (0.118 R)
• M19: 21,046,176 km (0.066 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 52.3

Radius: 6.9

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 6.5 AU - 8.44 AU

Year: 13848 Days

Day: 21.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 25,263,020 km

• M1: 100,231 km (0.103 R)
• M2: 365,019 km (0.092 R)
• M3: 865,274 km (0.102 R)
• M4: 1,697,188 km (0.078 R)
• M5: 2,319,515 km (0.095 R)
• M6: 3,565,067 km (0.085 R)
• M7: 6,203,076 km (0.098 R)
• M8: 6,655,011 km (0.083 R)
• M9: 8,285,029 km (0.069 R)
• M10: 9,097,047 km (0.091 R)
• M11: 9,920,433 km (0.049 R)
• M12: 10,878,308 km (0.117 R)
• M13: 11,401,901 km (0.092 R)
• M14: 11,850,844 km (0.113 R)
• M15: 12,832,057 km (0.055 R)
• M16: 13,170,896 km (0.067 R)
• M17: 14,690,960 km (0.118 R)
• M18: 16,211,921 km (0.057 R)
• M19: 16,494,212 km (0.12 R)
• M20: 22,430,705 km (0.074 R)
• M21: 23,278,177 km (0.034 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 226 - 14,418 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit