🌌 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: 519.8

Radius: 12

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.76 AU - 0.88 AU

Year: 487 Days

Day: 6.9 Hours

Environment

Temp: -157 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 66,987,234 km

• M1: 149,897 km (0.113 R)
• M2: 535,112 km (0.081 R)
• M3: 943,514 km (0.11 R)
• M4: 1,407,566 km (0.109 R)
• M5: 1,943,725 km (0.067 R)
• M6: 2,517,732 km (0.097 R)
• M7: 3,102,361 km (0.037 R)
• M8: 3,916,771 km (0.036 R)
• M9: 4,502,148 km (0.091 R)
• M10: 4,898,881 km (0.104 R)
• M11: 5,464,511 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 171

Radius: 12

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 2.26 AU - 3.72 AU

Year: 3392 Days

Day: 7 Hours

Environment

Temp: -201 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 66,987,234 km

• M1: 160,219 km (0.038 R)
• M2: 549,473 km (0.082 R)
• M3: 1,210,396 km (0.092 R)
• M4: 1,786,348 km (0.067 R)
• M5: 4,084,321 km (0.076 R)
• M6: 4,819,146 km (0.054 R)
• M7: 5,708,954 km (0.116 R)
• M8: 6,327,840 km (0.11 R)
• M9: 8,307,619 km (0.106 R)
• M10: 8,946,551 km (0.048 R)
• M11: 10,323,001 km (0.09 R)
• M12: 11,170,323 km (0.118 R)
• M13: 12,566,969 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 95

Radius: 10.5

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 2.9 AU - 4.12 AU

Year: 4314 Days

Day: 6.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 66,987,234 km

• M1: 137,181 km (0.077 R)
• M2: 498,311 km (0.077 R)
• M3: 1,049,130 km (0.085 R)
• M4: 2,798,677 km (0.044 R)
• M5: 3,507,920 km (0.081 R)
• M6: 4,276,554 km (0.116 R)
• M7: 4,821,689 km (0.078 R)
• M8: 9,308,877 km (0.116 R)
• M9: 12,277,946 km (0.118 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 959.1

Radius: 6.1

Gravity: 25.78 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 7.37 AU - 7.99 AU

Year: 13962 Days

Day: 16.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 66,987,234 km

• M1: 82,877 km (0.111 R)
• M2: 355,145 km (0.053 R)
• M3: 556,953 km (0.111 R)
• M4: 1,133,952 km (0.11 R)
• M5: 1,811,181 km (0.114 R)
• M6: 2,049,940 km (0.115 R)
• M7: 2,799,724 km (0.052 R)
• M8: 3,492,661 km (0.119 R)
• M9: 4,294,207 km (0.076 R)
• M10: 5,321,944 km (0.096 R)
• M11: 5,892,959 km (0.112 R)
• M12: 6,092,224 km (0.054 R)
• M13: 6,420,292 km (0.077 R)
• M14: 9,702,918 km (0.12 R)
• M15: 9,981,170 km (0.068 R)
• M16: 10,907,330 km (0.095 R)
• M17: 11,701,097 km (0.057 R)
• M18: 12,337,336 km (0.118 R)
• M19: 13,748,344 km (0.077 R)
• M20: 18,282,356 km (0.045 R)
• M21: 19,753,202 km (0.108 R)
• M22: 24,946,492 km (0.106 R)
• M23: 25,259,152 km (0.088 R)
• M24: 31,463,873 km (0.115 R)
• M25: 34,334,507 km (0.109 R)
• M26: 36,431,420 km (0.066 R)
• M27: 44,289,347 km (0.07 R)
• M28: 44,594,527 km (0.11 R)
• M29: 50,001,293 km (0.074 R)
• M30: 53,205,081 km (0.114 R)
• M31: 54,419,068 km (0.114 R)
• M32: 57,989,221 km (0.118 R)
• M33: 61,522,573 km (0.047 R)
• M34: 62,284,325 km (0.065 R)
• M35: 62,667,595 km (0.098 R)
• M36: 62,859,679 km (0.095 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: 218 - 16,757 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit