🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.07

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1 AU - 1.32 AU

Year: 359 Days

Day: 20.6 Hours

Environment

Temp: 202 °C

Axial Tilt: 2.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.17 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.54

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.91 AU - 2.43 AU

Year: 917 Days

Day: 35.5 Hours

Environment

Temp: 141 °C

Axial Tilt: 29.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 78,479,441 km

• M1: 673,789 km (0.11 R)

Planet 3 - Terrestrial

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.63

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 3.46 AU - 5.04 AU

Year: 2514 Days

Day: 46.2 Hours

Environment

Temp: -63 °C

Axial Tilt: 35.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 10.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.82

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 8.72 AU - 13.26 AU

Year: 10455 Days

Day: 43.1 Hours

Environment

Temp: -143 °C

Axial Tilt: 42.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 12.06 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 13.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 387.2

Radius: 8.3

Gravity: 5.62 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 10.9 AU - 15.34 AU

Year: 13637 Days

Day: 14.6 Hours

Environment

Temp: -140 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 78,479,441 km

• M1: 103,372 km (0.066 R)
• M2: 416,181 km (0.103 R)
• M3: 818,450 km (0.039 R)
• M4: 1,566,140 km (0.104 R)
• M5: 2,065,797 km (0.05 R)
• M6: 2,372,323 km (0.026 R)
• M7: 3,836,737 km (0.057 R)
• M8: 4,993,278 km (0.059 R)
• M9: 5,448,354 km (0.107 R)
• M10: 6,630,926 km (0.104 R)
• M11: 7,761,437 km (0.119 R)
• M12: 8,150,840 km (0.04 R)
• M13: 10,766,708 km (0.051 R)
• M14: 12,912,540 km (0.049 R)
• M15: 13,459,620 km (0.081 R)
• M16: 14,600,303 km (0.066 R)
• M17: 17,583,883 km (0.077 R)
• M18: 18,713,796 km (0.112 R)
• M19: 20,951,182 km (0.086 R)
• M20: 24,173,370 km (0.107 R)
• M21: 25,004,387 km (0.086 R)
• M22: 25,379,728 km (0.076 R)
• M23: 26,723,266 km (0.059 R)
• M24: 28,621,663 km (0.043 R)
• M25: 31,145,977 km (0.112 R)
• M26: 37,116,877 km (0.033 R)
• M27: 39,603,044 km (0.082 R)
• M28: 40,370,033 km (0.069 R)
• M29: 44,217,241 km (0.065 R)

Planet 6 - Ice Giant

Semi-Major Axis: 23.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 285.3

Radius: 7.6

Gravity: 4.94 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 18.08 AU - 28.7 AU

Year: 32462 Days

Day: 23.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 78,479,441 km

• M1: 94,546 km (0.117 R)
• M2: 364,420 km (0.059 R)
• M3: 799,900 km (0.114 R)
• M4: 1,348,924 km (0.097 R)
• M5: 1,724,714 km (0.081 R)
• M6: 2,232,150 km (0.12 R)
• M7: 4,708,593 km (0.117 R)
• M8: 5,985,261 km (0.113 R)
• M9: 6,771,697 km (0.101 R)
• M10: 7,429,479 km (0.064 R)
• M11: 7,824,118 km (0.084 R)
• M12: 9,717,279 km (0.099 R)
• M13: 16,111,391 km (0.029 R)
• M14: 19,231,405 km (0.101 R)
• M15: 21,225,993 km (0.079 R)
• M16: 26,182,021 km (0.045 R)
• M17: 28,746,278 km (0.108 R)
• M18: 35,463,222 km (0.077 R)
• M19: 38,012,221 km (0.059 R)
• M20: 40,680,747 km (0.106 R)
• M21: 42,998,018 km (0.12 R)
• M22: 44,108,932 km (0.043 R)
• M23: 47,388,118 km (0.076 R)
• M24: 47,893,609 km (0.094 R)
• M25: 60,933,158 km (0.082 R)
• M26: 64,166,416 km (0.063 R)
• M27: 67,938,527 km (0.078 R)
• M28: 69,228,060 km (0.118 R)
• M29: 74,322,317 km (0.103 R)
• M30: 75,691,287 km (0.094 R)
• M31: 78,244,474 km (0.101 R)

Kuiper Belt

Range: 38.3 - 57.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 297 - 19,464 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit