🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 70.1

Radius: 14.5

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.53 AU - 0.73 AU

Year: 333 Days

Day: 7.6 Hours

Environment

Temp: -151 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 21,094,775 km

• M1: 180,265 km (0.117 R)
• M2: 713,432 km (0.104 R)
• M3: 1,392,158 km (0.031 R)
• M4: 2,023,012 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 167

Radius: 8.6

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.7 AU - 0.98 AU

Year: 513 Days

Day: 13.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 21,094,775 km

• M1: 107,262 km (0.088 R)
• M2: 401,221 km (0.09 R)
• M3: 700,118 km (0.102 R)
• M4: 1,039,705 km (0.103 R)
• M5: 1,889,720 km (0.111 R)
• M6: 2,385,936 km (0.058 R)
• M7: 2,723,878 km (0.068 R)
• M8: 4,004,735 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 248.5

Radius: 15

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1 AU - 1.18 AU

Year: 759 Days

Day: 10.6 Hours

Environment

Temp: -178 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 21,094,775 km

• M1: 186,549 km (0.101 R)
• M2: 706,551 km (0.102 R)
• M3: 1,252,433 km (0.077 R)
• M4: 2,172,311 km (0.114 R)
• M5: 2,643,095 km (0.118 R)
• M6: 3,595,884 km (0.113 R)
• M7: 4,235,265 km (0.079 R)
• M8: 4,752,724 km (0.072 R)
• M9: 5,410,057 km (0.119 R)
• M10: 5,881,590 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 196.4

Radius: 11.2

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.3 AU - 1.54 AU

Year: 1128 Days

Day: 8.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 21,094,775 km

• M1: 139,276 km (0.105 R)
• M2: 488,587 km (0.108 R)
• M3: 986,000 km (0.115 R)
• M4: 1,363,884 km (0.074 R)
• M5: 2,019,870 km (0.088 R)
• M6: 2,406,132 km (0.098 R)
• M7: 2,991,209 km (0.065 R)
• M8: 3,709,578 km (0.09 R)
• M9: 4,205,346 km (0.092 R)
• M10: 4,729,088 km (0.082 R)
• M11: 5,313,268 km (0.086 R)
• M12: 5,686,514 km (0.075 R)
• M13: 6,768,705 km (0.086 R)
• M14: 7,208,224 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 237.4

Radius: 8.5

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 2.98 AU - 4.64 AU

Year: 4959 Days

Day: 12.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 21,094,775 km

• M1: 105,766 km (0.072 R)
• M2: 381,624 km (0.09 R)
• M3: 743,202 km (0.101 R)
• M4: 1,379,741 km (0.032 R)
• M5: 1,821,504 km (0.091 R)
• M6: 2,544,959 km (0.048 R)
• M7: 3,616,828 km (0.082 R)
• M8: 4,893,346 km (0.114 R)
• M9: 6,085,342 km (0.115 R)
• M10: 6,589,487 km (0.06 R)
• M11: 7,617,972 km (0.119 R)
• M12: 8,270,817 km (0.083 R)
• M13: 9,067,127 km (0.111 R)
• M14: 14,360,498 km (0.097 R)
• M15: 18,967,215 km (0.098 R)
• M16: 19,321,163 km (0.117 R)
• M17: 19,739,738 km (0.054 R)
• M18: 20,164,297 km (0.086 R)
• M19: 21,031,815 km (0.063 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 361 - 12,728 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit