🌌 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: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 17.9

Radius: 8.7

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.69 AU - 0.95 AU

Year: 472 Days

Day: 13.9 Hours

Environment

Temp: -151 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 29,932,607 km

• M1: 108,159 km (0.11 R)
• M2: 463,903 km (0.08 R)
• M3: 753,225 km (0.089 R)
• M4: 1,296,565 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 665.4

Radius: 12.5

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.1 AU - 1.7 AU

Year: 1053 Days

Day: 6.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 29,932,607 km

• M1: 155,731 km (0.1 R)
• M2: 554,709 km (0.062 R)
• M3: 1,044,044 km (0.106 R)
• M4: 1,498,971 km (0.112 R)
• M5: 1,958,087 km (0.114 R)
• M6: 2,788,804 km (0.111 R)
• M7: 3,264,974 km (0.08 R)
• M8: 3,733,514 km (0.039 R)
• M9: 4,213,574 km (0.081 R)
• M10: 5,970,601 km (0.074 R)
• M11: 6,494,193 km (0.06 R)
• M12: 7,386,245 km (0.082 R)
• M13: 8,278,597 km (0.105 R)
• M14: 8,986,942 km (0.063 R)
• M15: 9,384,723 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 596

Radius: 12

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.24 AU - 1.58 AU

Year: 1065 Days

Day: 5.2 Hours

Environment

Temp: -174 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 29,932,607 km

• M1: 149,299 km (0.114 R)
• M2: 679,174 km (0.066 R)
• M3: 1,407,866 km (0.11 R)
• M4: 1,798,017 km (0.076 R)
• M5: 2,471,058 km (0.11 R)
• M6: 3,008,712 km (0.096 R)
• M7: 3,491,315 km (0.094 R)
• M8: 4,073,550 km (0.084 R)
• M9: 4,919,227 km (0.042 R)
• M10: 5,492,486 km (0.072 R)
• M11: 6,682,238 km (0.118 R)
• M12: 7,314,139 km (0.112 R)
• M13: 8,971,534 km (0.114 R)
• M14: 9,595,507 km (0.095 R)
• M15: 10,097,258 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 922.3

Radius: 13

Gravity: 5.46 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 3.33 AU - 3.77 AU

Year: 4253 Days

Day: 8.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 29,932,607 km

• M1: 161,715 km (0.06 R)
• M2: 573,259 km (0.068 R)
• M3: 1,137,243 km (0.103 R)
• M4: 1,706,613 km (0.065 R)
• M5: 2,495,741 km (0.101 R)
• M6: 3,003,177 km (0.108 R)
• M7: 3,579,129 km (0.104 R)
• M8: 4,041,536 km (0.094 R)
• M9: 4,644,266 km (0.065 R)
• M10: 5,704,167 km (0.1 R)
• M11: 6,560,166 km (0.119 R)
• M12: 7,605,855 km (0.094 R)
• M13: 9,772,631 km (0.06 R)
• M14: 11,366,446 km (0.118 R)
• M15: 11,886,448 km (0.071 R)
• M16: 14,073,270 km (0.038 R)
• M17: 15,461,688 km (0.105 R)
• M18: 15,866,201 km (0.103 R)
• M19: 19,496,791 km (0.114 R)
• M20: 20,380,616 km (0.096 R)
• M21: 22,744,411 km (0.071 R)
• M22: 23,877,167 km (0.065 R)
• M23: 25,205,895 km (0.051 R)
• M24: 27,081,403 km (0.09 R)
• M25: 29,048,316 km (0.117 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 528 - 10,868 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit