🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.6

Radius: 0.82

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.48 AU - 0.54 AU

Year: 235 Days

Day: 45.7 Hours

Environment

Temp: -110 °C

Axial Tilt: 13.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 43,003,656 km

• M1: 43,683 km (0.072 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.7

Radius: 0.87

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.55 AU - 0.65 AU

Year: 300 Days

Day: 45.6 Hours

Environment

Temp: -131 °C

Axial Tilt: 8.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.47

Radius: 0.74

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.62 AU - 0.64 AU

Year: 323 Days

Day: 37 Hours

Environment

Temp: -125 °C

Axial Tilt: 42.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 103.6

Radius: 12.9

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.6 AU - 0.8 AU

Year: 378 Days

Day: 8.8 Hours

Environment

Temp: -132 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 43,003,656 km

• M1: 160,967 km (0.112 R)
• M2: 574,157 km (0.052 R)
• M3: 1,076,357 km (0.063 R)
• M4: 1,504,955 km (0.098 R)
• M5: 1,955,543 km (0.11 R)
• M6: 2,670,771 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 91.1

Radius: 10.1

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 2.54 AU - 2.56 AU

Year: 2629 Days

Day: 8.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 43,003,656 km

• M1: 125,812 km (0.086 R)
• M2: 491,728 km (0.113 R)
• M3: 1,011,282 km (0.117 R)
• M4: 1,610,271 km (0.098 R)
• M5: 2,224,820 km (0.062 R)
• M6: 4,062,779 km (0.09 R)
• M7: 4,495,566 km (0.118 R)
• M8: 5,107,870 km (0.11 R)
• M9: 5,434,442 km (0.119 R)
• M10: 6,998,787 km (0.077 R)
• M11: 8,925,907 km (0.116 R)
• M12: 10,011,688 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 960.7

Radius: 14.6

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 4.64 AU - 5.32 AU

Year: 7176 Days

Day: 10.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 43,003,656 km

• M1: 181,761 km (0.116 R)
• M2: 723,306 km (0.1 R)
• M3: 1,269,787 km (0.053 R)
• M4: 2,129,974 km (0.095 R)
• M5: 3,492,063 km (0.069 R)
• M6: 4,514,864 km (0.104 R)
• M7: 6,812,687 km (0.118 R)
• M8: 8,195,719 km (0.108 R)
• M9: 8,754,617 km (0.103 R)
• M10: 9,806,140 km (0.08 R)
• M11: 11,042,866 km (0.094 R)
• M12: 12,774,611 km (0.104 R)
• M13: 15,314,633 km (0.038 R)
• M14: 16,567,815 km (0.045 R)
• M15: 17,184,756 km (0.115 R)
• M16: 18,392,011 km (0.107 R)
• M17: 18,905,281 km (0.1 R)
• M18: 19,579,369 km (0.069 R)
• M19: 22,188,805 km (0.117 R)
• M20: 23,792,345 km (0.053 R)
• M21: 26,294,519 km (0.036 R)
• M22: 31,503,068 km (0.113 R)
• M23: 34,737,074 km (0.093 R)
• M24: 35,976,343 km (0.064 R)
• M25: 37,128,546 km (0.096 R)
• M26: 37,831,506 km (0.096 R)
• M27: 41,606,010 km (0.082 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 301 - 17,605 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit