🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.81

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.78 AU - 0.82 AU

Year: 256 Days

Day: 17.6 Hours

Environment

Temp: 177 °C

Axial Tilt: 46.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 110,406,268 km

• M1: 588,967 km (0.115 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.81

Radius: 0.92

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.08 AU - 1.12 AU

Year: 413 Days

Day: 42.3 Hours

Environment

Temp: 30 °C

Axial Tilt: 31.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.55

Radius: 1.19

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.23 AU - 1.37 AU

Year: 531 Days

Day: 13.7 Hours

Environment

Temp: 12 °C

Axial Tilt: 21.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 4.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 7.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 953.6

Radius: 11.2

Gravity: 7.6 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 6.66 AU - 8.44 AU

Year: 7430 Days

Day: 14.8 Hours

Environment

Temp: -168 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 110,406,268 km

• M1: 139,276 km (0.064 R)
• M2: 574,306 km (0.112 R)
• M3: 972,386 km (0.09 R)
• M4: 1,814,323 km (0.036 R)
• M5: 2,338,215 km (0.101 R)
• M6: 2,898,459 km (0.109 R)
• M7: 3,918,567 km (0.11 R)
• M8: 4,625,417 km (0.118 R)
• M9: 5,415,443 km (0.063 R)
• M10: 5,910,911 km (0.107 R)
• M11: 6,293,134 km (0.115 R)
• M12: 6,729,211 km (0.065 R)
• M13: 7,702,495 km (0.057 R)
• M14: 8,459,760 km (0.088 R)
• M15: 9,498,567 km (0.091 R)
• M16: 10,419,342 km (0.081 R)
• M17: 14,022,706 km (0.118 R)
• M18: 15,803,818 km (0.112 R)
• M19: 17,588,521 km (0.105 R)
• M20: 21,310,665 km (0.118 R)
• M21: 24,804,374 km (0.074 R)
• M22: 25,436,724 km (0.099 R)
• M23: 28,367,496 km (0.062 R)
• M24: 28,860,421 km (0.026 R)
• M25: 34,442,516 km (0.115 R)
• M26: 38,379,035 km (0.101 R)
• M27: 39,103,537 km (0.077 R)
• M28: 39,591,675 km (0.119 R)
• M29: 43,122,633 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 10.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 595.3

Radius: 8.9

Gravity: 7.52 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 9.55 AU - 12.01 AU

Year: 12677 Days

Day: 14.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 110,406,268 km

• M1: 110,702 km (0.12 R)
• M2: 519,404 km (0.117 R)
• M3: 840,590 km (0.068 R)
• M4: 1,428,211 km (0.114 R)
• M5: 1,781,860 km (0.112 R)
• M6: 2,998,390 km (0.051 R)
• M7: 3,405,895 km (0.118 R)
• M8: 4,043,780 km (0.109 R)
• M9: 4,982,806 km (0.118 R)
• M10: 7,078,672 km (0.041 R)
• M11: 8,206,640 km (0.114 R)
• M12: 10,980,334 km (0.112 R)
• M13: 13,543,694 km (0.117 R)
• M14: 23,304,506 km (0.052 R)
• M15: 24,998,702 km (0.084 R)
• M16: 48,157,799 km (0.118 R)
• M17: 48,607,191 km (0.084 R)
• M18: 49,210,968 km (0.08 R)
• M19: 50,741,952 km (0.042 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 49.2

Radius: 14.8

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 8.32 AU - 13.8 AU

Year: 13174 Days

Day: 10.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 110,406,268 km

• M1: 184,454 km (0.077 R)
• M2: 878,289 km (0.026 R)
• M3: 1,648,419 km (0.056 R)
• M4: 2,451,760 km (0.078 R)
• M5: 3,171,924 km (0.109 R)
• M6: 4,795,958 km (0.037 R)
• M7: 7,523,875 km (0.115 R)
• M8: 16,877,632 km (0.101 R)
• M9: 17,447,300 km (0.068 R)

Planet 7 - Ice Giant

Semi-Major Axis: 19.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 949.9

Radius: 6.5

Gravity: 22.48 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 16.84 AU - 21.18 AU

Year: 29686 Days

Day: 19 Hours

Environment

Temp: -204 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 110,406,268 km

• M1: 85,570 km (0.111 R)
• M2: 390,151 km (0.098 R)
• M3: 745,895 km (0.106 R)
• M4: 990,188 km (0.066 R)
• M5: 2,716,249 km (0.064 R)
• M6: 3,628,646 km (0.046 R)
• M7: 4,081,778 km (0.112 R)
• M8: 6,039,565 km (0.078 R)
• M9: 6,726,369 km (0.103 R)
• M10: 7,464,186 km (0.084 R)
• M11: 16,228,377 km (0.08 R)
• M12: 18,941,334 km (0.108 R)
• M13: 20,191,374 km (0.12 R)
• M14: 21,830,069 km (0.106 R)
• M15: 22,739,325 km (0.117 R)
• M16: 24,511,910 km (0.093 R)
• M17: 31,083,595 km (0.029 R)
• M18: 36,009,554 km (0.112 R)
• M19: 42,823,138 km (0.114 R)
• M20: 50,644,564 km (0.068 R)
• M21: 61,805,313 km (0.073 R)
• M22: 63,620,534 km (0.1 R)
• M23: 77,594,920 km (0.114 R)
• M24: 81,585,144 km (0.11 R)
• M25: 82,945,138 km (0.066 R)
• M26: 96,474,620 km (0.114 R)
• M27: 100,150,389 km (0.119 R)
• M28: 102,967,616 km (0.119 R)
• M29: 107,129,429 km (0.064 R)
• M30: 107,454,206 km (0.081 R)

Kuiper Belt

Range: 30.6 - 47.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 348 - 18,346 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit