🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 13.8

Radius: 10.8

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.56 AU - 0.62 AU

Year: 319 Days

Day: 14 Hours

Environment

Temp: -151 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 54,753,607 km

• M1: 134,339 km (0.053 R)
• M2: 514,018 km (0.107 R)
• M3: 971,937 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 700.8

Radius: 10.1

Gravity: 6.87 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.13 AU - 1.77 AU

Year: 1227 Days

Day: 5.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 103 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 54,753,607 km

• M1: 125,662 km (0.094 R)
• M2: 542,143 km (0.075 R)
• M3: 1,179,729 km (0.067 R)
• M4: 1,539,811 km (0.102 R)
• M5: 2,121,597 km (0.119 R)
• M6: 2,464,326 km (0.114 R)
• M7: 3,427,138 km (0.063 R)
• M8: 3,836,737 km (0.06 R)
• M9: 4,349,857 km (0.071 R)
• M10: 5,409,609 km (0.107 R)
• M11: 6,011,291 km (0.082 R)
• M12: 6,398,002 km (0.119 R)
• M13: 8,306,571 km (0.077 R)
• M14: 9,049,026 km (0.095 R)
• M15: 9,835,162 km (0.117 R)
• M16: 10,633,117 km (0.085 R)
• M17: 11,302,269 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 982

Radius: 14.3

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.29 AU - 2.09 AU

Year: 1544 Days

Day: 11 Hours

Environment

Temp: -197 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 54,753,607 km

• M1: 178,021 km (0.099 R)
• M2: 705,803 km (0.063 R)
• M3: 1,409,212 km (0.119 R)
• M4: 2,158,548 km (0.114 R)
• M5: 2,681,093 km (0.046 R)
• M6: 3,466,631 km (0.037 R)
• M7: 4,420,916 km (0.062 R)
• M8: 6,185,274 km (0.078 R)
• M9: 7,560,676 km (0.111 R)
• M10: 10,874,269 km (0.077 R)
• M11: 11,691,074 km (0.108 R)
• M12: 13,447,203 km (0.096 R)
• M13: 15,373,425 km (0.04 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 891.8

Radius: 4.5

Gravity: 44.04 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 7.52 AU - 7.88 AU

Year: 15019 Days

Day: 17.6 Hours

Environment

Temp: -238 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 54,753,607 km

• M1: 56,099 km (0.099 R)
• M2: 369,656 km (0.07 R)
• M3: 747,092 km (0.113 R)
• M4: 901,327 km (0.112 R)
• M5: 1,289,534 km (0.037 R)
• M6: 1,577,809 km (0.089 R)
• M7: 2,388,779 km (0.111 R)
• M8: 3,701,799 km (0.108 R)
• M9: 4,412,688 km (0.068 R)
• M10: 4,645,911 km (0.106 R)
• M11: 4,922,668 km (0.111 R)
• M12: 6,431,661 km (0.055 R)
• M13: 6,602,053 km (0.089 R)
• M14: 9,207,599 km (0.108 R)
• M15: 10,617,559 km (0.092 R)
• M16: 11,717,702 km (0.071 R)
• M17: 12,891,746 km (0.055 R)
• M18: 15,168,775 km (0.115 R)
• M19: 16,881,073 km (0.117 R)
• M20: 17,951,146 km (0.035 R)
• M21: 24,707,435 km (0.05 R)
• M22: 25,125,860 km (0.104 R)
• M23: 25,336,793 km (0.11 R)
• M24: 26,300,802 km (0.104 R)
• M25: 30,882,236 km (0.075 R)
• M26: 32,980,496 km (0.118 R)
• M27: 37,458,409 km (0.109 R)
• M28: 38,010,575 km (0.076 R)
• M29: 39,414,401 km (0.067 R)
• M30: 40,998,194 km (0.115 R)
• M31: 42,773,622 km (0.109 R)
• M32: 46,003,140 km (0.045 R)
• M33: 49,556,688 km (0.084 R)
• M34: 51,061,643 km (0.093 R)
• M35: 59,793,072 km (0.072 R)
• M36: 60,926,126 km (0.118 R)
• M37: 64,213,988 km (0.073 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 185.3

Radius: 3.8

Gravity: 12.83 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 9.78 AU - 10.96 AU

Year: 23473 Days

Day: 20.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 54,753,607 km

• M1: 47,273 km (0.109 R)
• M2: 217,515 km (0.051 R)
• M3: 730,337 km (0.065 R)
• M4: 1,423,274 km (0.101 R)
• M5: 2,049,192 km (0.109 R)
• M6: 2,863,453 km (0.112 R)
• M7: 4,158,522 km (0.104 R)
• M8: 4,519,352 km (0.113 R)
• M9: 6,211,453 km (0.046 R)
• M10: 6,562,559 km (0.109 R)
• M11: 6,926,681 km (0.1 R)
• M12: 10,556,374 km (0.12 R)
• M13: 11,629,140 km (0.104 R)
• M14: 13,022,345 km (0.095 R)
• M15: 15,490,860 km (0.087 R)
• M16: 15,775,095 km (0.096 R)
• M17: 16,062,772 km (0.089 R)
• M18: 17,021,994 km (0.082 R)
• M19: 18,892,117 km (0.076 R)
• M20: 19,960,096 km (0.066 R)
• M21: 22,850,626 km (0.086 R)
• M22: 25,022,488 km (0.093 R)
• M23: 25,512,271 km (0.114 R)
• M24: 28,267,565 km (0.088 R)
• M25: 28,798,637 km (0.084 R)
• M26: 29,771,323 km (0.057 R)
• M27: 32,820,576 km (0.065 R)
• M28: 33,171,682 km (0.119 R)
• M29: 35,208,906 km (0.078 R)
• M30: 39,662,883 km (0.041 R)
• M31: 40,731,162 km (0.07 R)
• M32: 41,681,408 km (0.097 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: 243 - 16,649 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit