🌌 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: 832.9

Radius: 9

Gravity: 10.28 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.47 AU - 0.71 AU

Year: 302 Days

Day: 6.8 Hours

Environment

Temp: -141 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 47,070,233 km

• M1: 112,049 km (0.089 R)
• M2: 473,926 km (0.1 R)
• M3: 778,507 km (0.075 R)
• M4: 1,128,716 km (0.092 R)
• M5: 1,432,100 km (0.109 R)
• M6: 2,126,235 km (0.077 R)
• M7: 2,796,882 km (0.094 R)
• M8: 3,176,412 km (0.112 R)
• M9: 3,951,927 km (0.061 R)
• M10: 4,819,595 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 129.8

Radius: 8.2

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.01 AU - 1.09 AU

Year: 717 Days

Day: 5.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 47,070,233 km

• M1: 102,175 km (0.12 R)
• M2: 384,317 km (0.047 R)
• M3: 726,298 km (0.11 R)
• M4: 1,081,892 km (0.086 R)
• M5: 1,738,926 km (0.041 R)
• M6: 2,025,406 km (0.12 R)
• M7: 2,723,579 km (0.118 R)
• M8: 4,243,344 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 907

Radius: 10.4

Gravity: 8.39 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1.63 AU - 2.07 AU

Year: 1678 Days

Day: 5.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 43.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 47,070,233 km

• M1: 129,402 km (0.109 R)
• M2: 496,964 km (0.096 R)
• M3: 839,992 km (0.067 R)
• M4: 1,842,298 km (0.099 R)
• M5: 2,630,379 km (0.117 R)
• M6: 3,244,479 km (0.11 R)
• M7: 3,805,919 km (0.12 R)
• M8: 4,654,289 km (0.103 R)
• M9: 5,415,443 km (0.08 R)
• M10: 8,050,011 km (0.086 R)
• M11: 9,849,374 km (0.065 R)
• M12: 10,588,537 km (0.079 R)
• M13: 11,213,707 km (0.049 R)
• M14: 13,576,007 km (0.085 R)
• M15: 14,269,842 km (0.066 R)
• M16: 15,262,424 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 101.2

Radius: 8.9

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 2.25 AU - 3.55 AU

Year: 3293 Days

Day: 12.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 47,070,233 km

• M1: 110,702 km (0.036 R)
• M2: 506,688 km (0.078 R)
• M3: 1,434,793 km (0.118 R)
• M4: 2,964,282 km (0.098 R)
• M5: 3,793,054 km (0.112 R)
• M6: 4,487,338 km (0.111 R)
• M7: 6,126,781 km (0.093 R)
• M8: 6,907,532 km (0.099 R)
• M9: 7,386,245 km (0.096 R)
• M10: 9,253,077 km (0.086 R)
• M11: 10,119,249 km (0.034 R)
• M12: 11,553,294 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 592.9

Radius: 8.5

Gravity: 8.21 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 4.99 AU - 6.47 AU

Year: 9147 Days

Day: 10.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 47,070,233 km

• M1: 108,309 km (0.067 R)
• M2: 382,073 km (0.091 R)
• M3: 1,068,578 km (0.079 R)
• M4: 1,620,893 km (0.102 R)
• M5: 2,556,029 km (0.084 R)
• M6: 3,401,856 km (0.068 R)
• M7: 4,018,348 km (0.063 R)
• M8: 5,701,474 km (0.109 R)
• M9: 6,980,087 km (0.103 R)
• M10: 8,311,209 km (0.098 R)
• M11: 9,519,960 km (0.108 R)
• M12: 10,191,056 km (0.075 R)
• M13: 11,047,952 km (0.049 R)
• M14: 12,394,034 km (0.036 R)
• M15: 13,019,652 km (0.083 R)
• M16: 14,149,864 km (0.097 R)
• M17: 14,770,247 km (0.07 R)
• M18: 23,009,050 km (0.047 R)
• M19: 23,780,078 km (0.075 R)
• M20: 26,196,532 km (0.103 R)
• M21: 29,566,374 km (0.077 R)
• M22: 30,375,399 km (0.032 R)
• M23: 33,649,797 km (0.092 R)
• M24: 34,531,527 km (0.113 R)
• M25: 37,152,182 km (0.072 R)
• M26: 40,271,298 km (0.073 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 721.2

Radius: 3.5

Gravity: 58.87 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 5.08 AU - 6.66 AU

Year: 9484 Days

Day: 18.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 47,070,233 km

• M1: 43,533 km (0.078 R)
• M2: 322,383 km (0.111 R)
• M3: 524,041 km (0.089 R)
• M4: 899,083 km (0.119 R)
• M5: 1,390,961 km (0.113 R)
• M6: 3,308,357 km (0.117 R)
• M7: 3,453,467 km (0.055 R)
• M8: 3,782,433 km (0.096 R)
• M9: 5,020,056 km (0.054 R)
• M10: 6,809,695 km (0.119 R)
• M11: 7,614,382 km (0.054 R)
• M12: 8,525,433 km (0.058 R)
• M13: 10,303,254 km (0.093 R)
• M14: 10,929,022 km (0.06 R)
• M15: 11,690,774 km (0.09 R)
• M16: 12,198,809 km (0.027 R)
• M17: 13,319,147 km (0.039 R)
• M18: 14,124,133 km (0.098 R)
• M19: 17,964,311 km (0.084 R)
• M20: 27,717,793 km (0.116 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 176 - 16,469 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit