🌌 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: 279.1

Radius: 14.8

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.58 AU - 0.68 AU

Year: 339 Days

Day: 7.2 Hours

Environment

Temp: -157 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 31,273,324 km

• M1: 184,005 km (0.065 R)
• M2: 650,751 km (0.084 R)
• M3: 1,129,314 km (0.102 R)
• M4: 1,606,681 km (0.06 R)
• M5: 2,178,594 km (0.084 R)
• M6: 2,807,354 km (0.082 R)
• M7: 3,384,353 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 629.2

Radius: 8.5

Gravity: 8.71 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.66 AU - 0.84 AU

Year: 441 Days

Day: 12.9 Hours

Environment

Temp: -161 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 31,273,324 km

• M1: 105,766 km (0.047 R)
• M2: 378,632 km (0.102 R)
• M3: 777,011 km (0.09 R)
• M4: 1,173,595 km (0.101 R)
• M5: 1,601,595 km (0.098 R)
• M6: 1,891,964 km (0.115 R)
• M7: 2,380,701 km (0.081 R)
• M8: 2,710,863 km (0.115 R)
• M9: 3,127,044 km (0.093 R)
• M10: 3,967,934 km (0.073 R)
• M11: 4,448,442 km (0.101 R)
• M12: 4,769,928 km (0.119 R)
• M13: 5,659,287 km (0.043 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 70.3

Radius: 9.3

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.85 AU - 2.01 AU

Year: 1819 Days

Day: 10.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 31,273,324 km

• M1: 120,725 km (0.097 R)
• M2: 597,045 km (0.025 R)
• M3: 1,044,792 km (0.086 R)
• M4: 1,896,452 km (0.025 R)
• M5: 2,861,658 km (0.081 R)
• M6: 3,826,863 km (0.102 R)
• M7: 4,847,719 km (0.074 R)
• M8: 5,909,265 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 916.6

Radius: 10.8

Gravity: 7.86 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 3.04 AU - 4.08 AU

Year: 4556 Days

Day: 10.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 31,273,324 km

• M1: 134,339 km (0.119 R)
• M2: 570,117 km (0.118 R)
• M3: 1,080,097 km (0.062 R)
• M4: 1,750,295 km (0.091 R)
• M5: 2,112,322 km (0.069 R)
• M6: 2,750,806 km (0.106 R)
• M7: 3,730,971 km (0.052 R)
• M8: 4,665,958 km (0.105 R)
• M9: 5,457,630 km (0.108 R)
• M10: 6,497,185 km (0.109 R)
• M11: 7,342,263 km (0.092 R)
• M12: 7,883,509 km (0.118 R)
• M13: 9,416,139 km (0.041 R)
• M14: 10,723,774 km (0.066 R)
• M15: 13,749,690 km (0.069 R)
• M16: 15,255,093 km (0.114 R)
• M17: 16,621,670 km (0.117 R)
• M18: 24,939,611 km (0.117 R)
• M19: 26,832,173 km (0.053 R)
• M20: 27,341,105 km (0.117 R)
• M21: 30,808,634 km (0.106 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: 424 - 17,090 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit