🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 454.7

Radius: 14.7

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.86 AU - 1.22 AU

Year: 674 Days

Day: 7.9 Hours

Environment

Temp: -153 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 33,305,879 km

• M1: 182,809 km (0.035 R)
• M2: 1,215,632 km (0.063 R)
• M3: 1,917,845 km (0.106 R)
• M4: 3,178,656 km (0.091 R)
• M5: 3,675,021 km (0.09 R)
• M6: 5,115,948 km (0.087 R)
• M7: 5,695,789 km (0.101 R)
• M8: 6,376,460 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 618.6

Radius: 9.6

Gravity: 6.71 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.21 AU - 1.99 AU

Year: 1287 Days

Day: 13 Hours

Environment

Temp: -177 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 33,305,879 km

• M1: 119,379 km (0.116 R)
• M2: 517,010 km (0.115 R)
• M3: 1,088,175 km (0.111 R)
• M4: 1,772,585 km (0.097 R)
• M5: 2,544,660 km (0.088 R)
• M6: 2,973,258 km (0.099 R)
• M7: 6,240,176 km (0.066 R)
• M8: 7,502,932 km (0.066 R)
• M9: 9,552,422 km (0.117 R)
• M10: 10,854,373 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 71.5

Radius: 13.9

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 3.69 AU - 6.05 AU

Year: 6833 Days

Day: 12.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 33,305,879 km

• M1: 264,190 km (0.104 R)
• M2: 773,421 km (0.086 R)
• M3: 1,367,624 km (0.075 R)
• M4: 2,527,007 km (0.115 R)
• M5: 3,217,401 km (0.046 R)
• M6: 4,487,039 km (0.079 R)
• M7: 7,312,344 km (0.088 R)
• M8: 12,067,611 km (0.072 R)
• M9: 12,726,740 km (0.057 R)
• M10: 15,130,329 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609.7

Radius: 8.6

Gravity: 8.24 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 5.52 AU - 6.02 AU

Year: 8812 Days

Day: 9.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 33,305,879 km

• M1: 106,962 km (0.064 R)
• M2: 1,330,075 km (0.118 R)
• M3: 1,903,932 km (0.099 R)
• M4: 2,408,376 km (0.05 R)
• M5: 2,752,152 km (0.077 R)
• M6: 3,491,614 km (0.116 R)
• M7: 3,908,095 km (0.116 R)
• M8: 4,811,367 km (0.119 R)
• M9: 7,178,753 km (0.107 R)
• M10: 7,650,884 km (0.09 R)
• M11: 8,613,845 km (0.062 R)
• M12: 9,056,805 km (0.108 R)
• M13: 14,857,013 km (0.093 R)
• M14: 15,494,599 km (0.055 R)
• M15: 15,820,124 km (0.099 R)
• M16: 19,861,212 km (0.084 R)
• M17: 22,159,783 km (0.119 R)
• M18: 25,432,536 km (0.103 R)
• M19: 25,794,712 km (0.061 R)
• M20: 26,622,287 km (0.1 R)
• M21: 27,467,515 km (0.068 R)
• M22: 29,708,492 km (0.103 R)
• M23: 31,441,433 km (0.087 R)
• M24: 34,772,978 km (0.115 R)
• M25: 36,123,398 km (0.109 R)
• M26: 36,466,426 km (0.085 R)
• M27: 37,625,510 km (0.079 R)
• M28: 38,451,290 km (0.093 R)
• M29: 39,409,913 km (0.091 R)
• M30: 41,001,485 km (0.087 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 73

Radius: 4.2

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 8.6 AU - 9.8 AU

Year: 17743 Days

Day: 22.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 33,305,879 km

• M1: 52,210 km (0.064 R)
• M2: 629,957 km (0.102 R)
• M3: 766,689 km (0.118 R)
• M4: 1,280,109 km (0.086 R)
• M5: 1,695,991 km (0.11 R)
• M6: 1,862,493 km (0.095 R)
• M7: 2,586,996 km (0.117 R)
• M8: 4,012,664 km (0.115 R)
• M9: 5,860,945 km (0.097 R)
• M10: 6,641,547 km (0.057 R)
• M11: 6,951,514 km (0.116 R)
• M12: 8,367,159 km (0.043 R)
• M13: 8,688,046 km (0.07 R)
• M14: 10,188,662 km (0.115 R)
• M15: 10,600,804 km (0.119 R)
• M16: 11,119,460 km (0.119 R)
• M17: 12,309,661 km (0.115 R)
• M18: 17,270,326 km (0.104 R)
• M19: 19,342,406 km (0.113 R)
• M20: 21,949,897 km (0.074 R)
• M21: 27,146,628 km (0.109 R)
• M22: 28,743,585 km (0.11 R)
• M23: 29,381,022 km (0.059 R)
• M24: 29,842,232 km (0.109 R)
• M25: 30,121,232 km (0.1 R)
• M26: 32,710,921 km (0.105 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 493 - 13,820 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit