🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.81

Radius: 1.87

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.45 AU - 0.73 AU

Year: 173 Days

Day: 27.6 Hours

Environment

Temp: 160 °C

Axial Tilt: 8.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 42,697,279 km

• M1: 50,414 km (0.097 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.48

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.95 AU - 1.15 AU

Year: 410 Days

Day: 27.6 Hours

Environment

Temp: 13 °C

Axial Tilt: 1.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 42,697,279 km

• M1: 52,509 km (0.105 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.97

Radius: 0.99

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.01 AU - 1.27 AU

Year: 464 Days

Day: 25.2 Hours

Environment

Temp: 0 °C

Axial Tilt: 32.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 42,697,279 km

• M1: 488,437 km (0.064 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.07

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.48 AU - 1.74 AU

Year: 778 Days

Day: 43.8 Hours

Environment

Temp: -55 °C

Axial Tilt: 14.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 42,697,279 km

• M1: 665,411 km (0.12 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.52

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 2.17 AU - 2.19 AU

Year: 1226 Days

Day: 35.4 Hours

Environment

Temp: -90 °C

Axial Tilt: 34.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 42,697,279 km

• M1: 177,573 km (0.077 R)

Asteroid Belt

Center: 3.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 80.1

Radius: 11.6

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 3.65 AU - 5.25 AU

Year: 3575 Days

Day: 5 Hours

Environment

Temp: -149 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 42,697,279 km

• M1: 144,811 km (0.084 R)
• M2: 508,782 km (0.071 R)
• M3: 1,533,079 km (0.076 R)
• M4: 2,063,403 km (0.097 R)
• M5: 2,455,051 km (0.087 R)
• M6: 2,937,055 km (0.096 R)
• M7: 3,589,302 km (0.056 R)
• M8: 4,460,859 km (0.034 R)
• M9: 5,203,164 km (0.086 R)
• M10: 6,527,254 km (0.111 R)
• M11: 7,587,754 km (0.069 R)
• M12: 8,037,445 km (0.071 R)
• M13: 9,799,558 km (0.053 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 944.8

Radius: 13.5

Gravity: 5.18 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 6.72 AU - 7.42 AU

Year: 7159 Days

Day: 6.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 42,697,279 km

• M1: 167,998 km (0.067 R)
• M2: 778,208 km (0.111 R)
• M3: 1,339,350 km (0.08 R)
• M4: 2,218,985 km (0.088 R)
• M5: 3,572,846 km (0.094 R)
• M6: 4,173,930 km (0.099 R)
• M7: 4,842,034 km (0.115 R)
• M8: 5,548,136 km (0.067 R)
• M9: 6,251,994 km (0.065 R)
• M10: 6,790,547 km (0.111 R)
• M11: 7,243,678 km (0.112 R)
• M12: 7,676,764 km (0.032 R)
• M13: 10,060,606 km (0.118 R)
• M14: 13,247,639 km (0.107 R)
• M15: 17,471,835 km (0.105 R)
• M16: 19,888,139 km (0.114 R)
• M17: 20,662,458 km (0.077 R)
• M18: 24,573,694 km (0.103 R)
• M19: 27,693,558 km (0.07 R)
• M20: 28,173,617 km (0.096 R)
• M21: 29,249,376 km (0.12 R)
• M22: 30,149,805 km (0.101 R)
• M23: 31,482,872 km (0.067 R)
• M24: 34,487,096 km (0.117 R)
• M25: 35,492,095 km (0.115 R)
• M26: 36,172,915 km (0.109 R)
• M27: 36,978,050 km (0.047 R)
• M28: 37,443,449 km (0.093 R)
• M29: 40,688,377 km (0.117 R)
• M30: 42,062,583 km (0.115 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: 226 - 19,225 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit