🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.87

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.38 AU - 0.64 AU

Year: 163 Days

Day: 41.1 Hours

Environment

Temp: 41 °C

Axial Tilt: 35.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.31

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.09 AU - 1.25 AU

Year: 565 Days

Day: 35.3 Hours

Environment

Temp: -83 °C

Axial Tilt: 28.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 75,663,581 km

• M1: 30,219 km (0.107 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.65

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 1.29 AU - 1.67 AU

Year: 803 Days

Day: 34 Hours

Environment

Temp: -97 °C

Axial Tilt: 27.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 75,663,581 km

• M1: 77,193 km (0.117 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.24

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.29 AU - 1.77 AU

Year: 844 Days

Day: 34.5 Hours

Environment

Temp: -110 °C

Axial Tilt: 39.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.03

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.51 AU - 2.01 AU

Year: 1042 Days

Day: 13.6 Hours

Environment

Temp: -122 °C

Axial Tilt: 20.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Ice Giant

Semi-Major Axis: 9.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 623.7

Radius: 7.3

Gravity: 11.7 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 7.51 AU - 11.31 AU

Year: 12881 Days

Day: 20.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 75,663,581 km

• M1: 90,806 km (0.045 R)
• M2: 337,493 km (0.047 R)
• M3: 577,747 km (0.062 R)
• M4: 840,441 km (0.1 R)
• M5: 1,457,831 km (0.082 R)
• M6: 1,790,687 km (0.12 R)
• M7: 2,610,184 km (0.085 R)
• M8: 3,347,851 km (0.12 R)
• M9: 3,684,596 km (0.09 R)
• M10: 5,027,835 km (0.115 R)
• M11: 5,864,536 km (0.077 R)
• M12: 6,125,285 km (0.115 R)
• M13: 7,900,712 km (0.065 R)
• M14: 10,206,016 km (0.119 R)
• M15: 11,832,743 km (0.064 R)
• M16: 15,450,019 km (0.077 R)
• M17: 19,330,738 km (0.074 R)
• M18: 22,160,980 km (0.11 R)
• M19: 24,480,644 km (0.072 R)
• M20: 28,521,133 km (0.104 R)
• M21: 29,924,361 km (0.096 R)
• M22: 30,476,228 km (0.106 R)
• M23: 30,922,478 km (0.085 R)
• M24: 32,287,559 km (0.078 R)
• M25: 32,751,312 km (0.051 R)
• M26: 35,504,960 km (0.095 R)
• M27: 37,254,507 km (0.043 R)
• M28: 43,830,381 km (0.085 R)
• M29: 46,428,148 km (0.089 R)
• M30: 52,086,837 km (0.085 R)
• M31: 53,529,559 km (0.057 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 787

Radius: 5.1

Gravity: 30.26 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 10.39 AU - 13.57 AU

Year: 18503 Days

Day: 20.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 75,663,581 km

• M1: 65,225 km (0.106 R)
• M2: 339,587 km (0.074 R)
• M3: 983,307 km (0.093 R)
• M4: 1,175,241 km (0.057 R)
• M5: 2,064,002 km (0.054 R)
• M6: 2,250,850 km (0.113 R)
• M7: 2,905,639 km (0.069 R)
• M8: 3,304,767 km (0.063 R)
• M9: 3,503,133 km (0.114 R)
• M10: 5,785,398 km (0.1 R)
• M11: 7,664,647 km (0.111 R)
• M12: 8,063,774 km (0.112 R)
• M13: 8,476,515 km (0.116 R)
• M14: 13,990,542 km (0.062 R)
• M15: 20,161,604 km (0.12 R)
• M16: 21,405,361 km (0.103 R)
• M17: 26,666,868 km (0.094 R)
• M18: 32,341,564 km (0.045 R)
• M19: 59,124,519 km (0.109 R)
• M20: 64,269,040 km (0.113 R)
• M21: 64,881,045 km (0.053 R)
• M22: 67,158,822 km (0.107 R)
• M23: 74,985,185 km (0.081 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 484 - 17,786 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit