🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.77

Radius: 0.9

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.89 AU - 1.37 AU

Year: 441 Days

Day: 25.9 Hours

Environment

Temp: 6 °C

Axial Tilt: 171.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.85

Radius: 0.94

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.32 AU - 1.56 AU

Year: 634 Days

Day: 37.2 Hours

Environment

Temp: -42 °C

Axial Tilt: 9.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 64,883,077 km

• M1: 241,900 km (0.12 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.21

Radius: 1.37

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.77 AU - 1.95 AU

Year: 931 Days

Day: 16.5 Hours

Environment

Temp: -67 °C

Axial Tilt: 27.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.53

Radius: 0.78

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.75 AU - 2.75 AU

Year: 1239 Days

Day: 41.2 Hours

Environment

Temp: -75 °C

Axial Tilt: 33.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.45

Radius: 1.16

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 3.3 AU - 5.08 AU

Year: 3148 Days

Day: 18.3 Hours

Environment

Temp: -128 °C

Axial Tilt: 4.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.75 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 885.2

Radius: 11.9

Gravity: 6.25 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 4.79 AU - 5.81 AU

Year: 4479 Days

Day: 11.4 Hours

Environment

Temp: -144 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 64,883,077 km

• M1: 147,952 km (0.116 R)
• M2: 634,744 km (0.064 R)
• M3: 1,429,856 km (0.101 R)
• M4: 2,244,267 km (0.111 R)
• M5: 2,617,215 km (0.114 R)
• M6: 3,225,928 km (0.115 R)
• M7: 3,618,025 km (0.08 R)
• M8: 4,400,122 km (0.109 R)
• M9: 5,236,075 km (0.038 R)
• M10: 5,930,359 km (0.1 R)
• M11: 6,783,665 km (0.067 R)
• M12: 7,188,477 km (0.027 R)
• M13: 8,347,711 km (0.086 R)
• M14: 9,838,902 km (0.072 R)
• M15: 12,274,505 km (0.032 R)
• M16: 13,499,861 km (0.067 R)
• M17: 15,837,927 km (0.069 R)
• M18: 16,312,152 km (0.11 R)
• M19: 19,359,460 km (0.107 R)
• M20: 21,302,438 km (0.087 R)
• M21: 21,880,633 km (0.036 R)
• M22: 24,692,176 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 612

Radius: 14

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 6.52 AU - 7.46 AU

Year: 6784 Days

Day: 6.7 Hours

Environment

Temp: -167 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 64,883,077 km

• M1: 201,658 km (0.032 R)
• M2: 812,017 km (0.116 R)
• M3: 1,293,274 km (0.108 R)
• M4: 1,801,607 km (0.082 R)
• M5: 2,547,801 km (0.081 R)
• M6: 3,856,633 km (0.093 R)
• M7: 5,336,006 km (0.075 R)
• M8: 6,639,602 km (0.112 R)
• M9: 8,225,041 km (0.069 R)
• M10: 8,750,727 km (0.07 R)
• M11: 12,708,788 km (0.113 R)
• M12: 14,958,889 km (0.085 R)
• M13: 18,539,515 km (0.08 R)
• M14: 21,423,013 km (0.109 R)
• M15: 26,117,544 km (0.102 R)
• M16: 28,981,147 km (0.06 R)
• M17: 30,777,069 km (0.082 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 880.5

Radius: 10.2

Gravity: 8.46 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 8.47 AU - 9.03 AU

Year: 9501 Days

Day: 7.4 Hours

Environment

Temp: -175 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 64,883,077 km

• M1: 181,761 km (0.076 R)
• M2: 592,108 km (0.079 R)
• M3: 911,949 km (0.102 R)
• M4: 1,416,692 km (0.094 R)
• M5: 1,948,961 km (0.073 R)
• M6: 3,223,385 km (0.082 R)
• M7: 3,640,614 km (0.066 R)
• M8: 4,828,421 km (0.099 R)
• M9: 5,410,057 km (0.095 R)
• M10: 11,308,103 km (0.085 R)
• M11: 19,914,169 km (0.102 R)
• M12: 39,891,768 km (0.084 R)
• M13: 41,991,075 km (0.096 R)
• M14: 43,750,196 km (0.104 R)
• M15: 48,877,514 km (0.038 R)

Planet 9 - Ice Giant

Semi-Major Axis: 12.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 615.5

Radius: 7.8

Gravity: 10.12 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 12.07 AU - 13.34 AU

Year: 16614 Days

Day: 22.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 64,883,077 km

• M1: 97,089 km (0.056 R)
• M2: 462,407 km (0.103 R)
• M3: 834,906 km (0.049 R)
• M4: 1,133,802 km (0.06 R)
• M5: 2,141,344 km (0.104 R)
• M6: 4,594,899 km (0.092 R)
• M7: 6,321,108 km (0.085 R)
• M8: 8,098,481 km (0.089 R)
• M9: 9,364,976 km (0.092 R)
• M10: 16,219,551 km (0.098 R)
• M11: 22,318,656 km (0.104 R)
• M12: 26,243,655 km (0.075 R)
• M13: 34,910,907 km (0.075 R)
• M14: 41,304,570 km (0.104 R)
• M15: 43,647,572 km (0.09 R)
• M16: 64,688,962 km (0.079 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 403 - 16,474 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit