🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.04

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.56 AU - 0.7 AU

Year: 193 Days

Day: 12.5 Hours

Environment

Temp: 166 °C

Axial Tilt: 37.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.41

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.95 AU - 0.99 AU

Year: 368 Days

Day: 26.4 Hours

Environment

Temp: 12 °C

Axial Tilt: 1.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 43,769,096 km

• M1: 44,431 km (0.032 R)
• M2: 384,317 km (0.057 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.24

Radius: 0.57

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.63 AU - 2.51 AU

Year: 1147 Days

Day: 12.1 Hours

Environment

Temp: -96 °C

Axial Tilt: 37.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.96

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 2.65 AU - 3.29 AU

Year: 1971 Days

Day: 42.6 Hours

Environment

Temp: -109 °C

Axial Tilt: 19.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.41 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 797.2

Radius: 10.9

Gravity: 6.71 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 4.92 AU - 6.78 AU

Year: 5448 Days

Day: 12.1 Hours

Environment

Temp: -164 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 43,769,096 km

• M1: 135,536 km (0.093 R)
• M2: 570,267 km (0.12 R)
• M3: 943,963 km (0.092 R)
• M4: 1,764,357 km (0.091 R)
• M5: 2,911,623 km (0.114 R)
• M6: 3,374,629 km (0.114 R)
• M7: 3,956,714 km (0.066 R)
• M8: 4,710,538 km (0.057 R)
• M9: 5,830,727 km (0.115 R)
• M10: 7,442,943 km (0.092 R)
• M11: 8,156,973 km (0.111 R)
• M12: 8,590,807 km (0.069 R)
• M13: 9,504,850 km (0.094 R)
• M14: 9,896,946 km (0.12 R)
• M15: 10,436,695 km (0.119 R)
• M16: 12,022,582 km (0.063 R)
• M17: 14,379,347 km (0.099 R)
• M18: 16,338,032 km (0.038 R)
• M19: 16,901,717 km (0.103 R)
• M20: 17,284,688 km (0.036 R)
• M21: 20,416,369 km (0.059 R)
• M22: 22,344,237 km (0.078 R)
• M23: 23,668,627 km (0.112 R)
• M24: 30,234,777 km (0.066 R)
• M25: 33,030,761 km (0.114 R)

Planet 6 - Ice Giant

Semi-Major Axis: 12.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 166.6

Radius: 3.1

Gravity: 17.34 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 11.43 AU - 14.23 AU

Year: 17693 Days

Day: 17.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 43,769,096 km

• M1: 38,596 km (0.107 R)
• M2: 148,551 km (0.105 R)
• M3: 257,159 km (0.12 R)
• M4: 1,328,728 km (0.118 R)
• M5: 1,962,126 km (0.087 R)
• M6: 2,235,740 km (0.084 R)
• M7: 2,837,273 km (0.118 R)
• M8: 3,324,962 km (0.106 R)
• M9: 4,966,051 km (0.085 R)
• M10: 5,214,982 km (0.109 R)
• M11: 5,704,017 km (0.103 R)
• M12: 6,772,595 km (0.066 R)
• M13: 7,433,967 km (0.076 R)
• M14: 7,636,373 km (0.108 R)
• M15: 8,570,911 km (0.107 R)
• M16: 9,626,773 km (0.105 R)
• M17: 9,964,565 km (0.102 R)
• M18: 10,111,769 km (0.096 R)
• M19: 11,827,656 km (0.116 R)
• M20: 13,015,164 km (0.041 R)
• M21: 13,191,091 km (0.086 R)
• M22: 13,728,297 km (0.115 R)
• M23: 14,973,999 km (0.101 R)
• M24: 15,296,681 km (0.077 R)
• M25: 16,841,579 km (0.092 R)
• M26: 17,759,212 km (0.099 R)
• M27: 21,928,654 km (0.085 R)
• M28: 23,711,861 km (0.043 R)
• M29: 24,593,890 km (0.096 R)
• M30: 27,275,432 km (0.093 R)
• M31: 28,145,792 km (0.093 R)
• M32: 28,243,480 km (0.091 R)
• M33: 31,811,987 km (0.093 R)
• M34: 32,345,004 km (0.116 R)
• M35: 32,775,846 km (0.025 R)
• M36: 33,101,371 km (0.075 R)
• M37: 34,202,112 km (0.1 R)
• M38: 34,313,563 km (0.116 R)
• M39: 36,476,449 km (0.114 R)
• M40: 39,703,873 km (0.117 R)
• M41: 43,769,046 km (0.106 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 260 - 16,295 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit