🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.05

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.44 AU - 0.58 AU

Year: 152 Days

Day: 31.7 Hours

Environment

Temp: 135 °C

Axial Tilt: 16.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 28,519,887 km

• M1: 45,478 km (0.094 R)

Asteroid Belt

Center: 1.95 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 794.8

Radius: 14.5

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 3.36 AU - 3.42 AU

Year: 2598 Days

Day: 11.8 Hours

Environment

Temp: -141 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 28,519,887 km

• M1: 182,509 km (0.114 R)
• M2: 904,170 km (0.07 R)
• M3: 1,471,594 km (0.059 R)
• M4: 2,008,052 km (0.078 R)
• M5: 2,513,693 km (0.093 R)
• M6: 3,005,720 km (0.091 R)
• M7: 3,562,374 km (0.108 R)
• M8: 5,238,917 km (0.058 R)
• M9: 5,971,349 km (0.087 R)
• M10: 6,431,960 km (0.115 R)
• M11: 7,182,643 km (0.083 R)
• M12: 9,569,327 km (0.056 R)
• M13: 10,317,167 km (0.106 R)
• M14: 11,306,457 km (0.067 R)
• M15: 12,444,897 km (0.107 R)
• M16: 13,519,908 km (0.119 R)
• M17: 14,366,183 km (0.094 R)
• M18: 16,268,619 km (0.113 R)
• M19: 19,725,227 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 647.3

Radius: 14.4

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 3.3 AU - 4.88 AU

Year: 3443 Days

Day: 7.1 Hours

Environment

Temp: -144 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 28,519,887 km

• M1: 179,069 km (0.107 R)
• M2: 902,524 km (0.108 R)
• M3: 1,378,544 km (0.068 R)
• M4: 2,158,847 km (0.11 R)
• M5: 2,876,468 km (0.102 R)
• M6: 3,365,802 km (0.114 R)
• M7: 4,141,019 km (0.079 R)
• M8: 5,911,958 km (0.104 R)
• M9: 8,178,665 km (0.106 R)
• M10: 9,507,393 km (0.088 R)
• M11: 11,397,263 km (0.069 R)
• M12: 13,146,810 km (0.084 R)
• M13: 14,660,442 km (0.082 R)
• M14: 16,615,835 km (0.105 R)
• M15: 17,172,938 km (0.04 R)
• M16: 20,336,783 km (0.032 R)
• M17: 21,494,521 km (0.102 R)
• M18: 22,357,701 km (0.1 R)
• M19: 22,968,659 km (0.043 R)

Planet 4 - Ice Giant

Semi-Major Axis: 11.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 52.4

Radius: 5.6

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 11.48 AU - 11.86 AU

Year: 16594 Days

Day: 16.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 28,519,887 km

• M1: 69,713 km (0.094 R)
• M2: 368,460 km (0.1 R)
• M3: 569,669 km (0.089 R)
• M4: 1,917,845 km (0.102 R)
• M5: 2,103,047 km (0.111 R)
• M6: 3,668,738 km (0.092 R)
• M7: 4,475,220 km (0.107 R)
• M8: 7,597,777 km (0.092 R)
• M9: 8,626,412 km (0.074 R)
• M10: 8,858,438 km (0.08 R)
• M11: 13,108,813 km (0.106 R)
• M12: 13,467,249 km (0.108 R)
• M13: 14,690,810 km (0.027 R)
• M14: 16,573,499 km (0.119 R)
• M15: 17,541,697 km (0.115 R)
• M16: 18,675,349 km (0.035 R)
• M17: 19,656,711 km (0.053 R)
• M18: 23,624,645 km (0.113 R)
• M19: 24,385,201 km (0.112 R)
• M20: 25,795,310 km (0.111 R)
• M21: 27,758,633 km (0.069 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 435 - 16,760 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit