🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.42

Radius: 0.71

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.73 AU - 1.09 AU

Year: 322 Days

Day: 35.9 Hours

Environment

Temp: 40 °C

Axial Tilt: 31.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.74

Radius: 0.89

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.97 AU - 1.01 AU

Year: 365 Days

Day: 45.3 Hours

Environment

Temp: 32 °C

Axial Tilt: 13.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.76

Radius: 0.9

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.17 AU - 1.21 AU

Year: 481 Days

Day: 25.1 Hours

Environment

Temp: 5 °C

Axial Tilt: 37.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Asteroid Belt

Center: 2.69 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Terrestrial

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.03

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 3.88 AU - 4.48 AU

Year: 3169 Days

Day: 31.1 Hours

Environment

Temp: -141 °C

Axial Tilt: 21.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Ice Giant

Semi-Major Axis: 16.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 519.7

Radius: 3.1

Gravity: 54.08 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 15.56 AU - 16.86 AU

Year: 24204 Days

Day: 23.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 77,285,206 km

• M1: 42,935 km (0.115 R)
• M2: 596,148 km (0.043 R)
• M3: 778,507 km (0.119 R)
• M4: 1,375,702 km (0.049 R)
• M5: 1,589,029 km (0.077 R)
• M6: 2,869,287 km (0.106 R)
• M7: 3,503,433 km (0.083 R)
• M8: 4,060,984 km (0.119 R)
• M9: 4,498,707 km (0.06 R)
• M10: 8,695,526 km (0.063 R)
• M11: 9,362,583 km (0.119 R)
• M12: 9,592,365 km (0.101 R)
• M13: 14,397,149 km (0.052 R)
• M14: 29,316,994 km (0.073 R)
• M15: 39,766,854 km (0.116 R)
• M16: 40,824,212 km (0.079 R)
• M17: 54,823,580 km (0.102 R)
• M18: 58,617,981 km (0.105 R)
• M19: 64,631,965 km (0.053 R)
• M20: 68,215,881 km (0.118 R)
• M21: 78,101,757 km (0.114 R)

Planet 6 - Ice Giant

Semi-Major Axis: 16.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 469

Radius: 6.2

Gravity: 12.2 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 14.23 AU - 18.67 AU

Year: 24743 Days

Day: 23.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 77,285,206 km

• M1: 92,152 km (0.114 R)
• M2: 393,293 km (0.068 R)
• M3: 2,289,296 km (0.075 R)
• M4: 2,490,356 km (0.081 R)
• M5: 3,005,870 km (0.102 R)
• M6: 4,280,294 km (0.042 R)
• M7: 4,944,658 km (0.115 R)
• M8: 7,065,956 km (0.114 R)
• M9: 10,139,145 km (0.085 R)
• M10: 10,561,759 km (0.101 R)
• M11: 13,133,945 km (0.048 R)
• M12: 19,199,540 km (0.094 R)
• M13: 22,578,208 km (0.026 R)
• M14: 24,246,823 km (0.091 R)
• M15: 24,784,777 km (0.099 R)
• M16: 32,260,033 km (0.117 R)
• M17: 35,462,624 km (0.115 R)
• M18: 55,243,651 km (0.054 R)
• M19: 56,926,478 km (0.097 R)
• M20: 63,186,999 km (0.041 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 477 - 12,788 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit