🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.86

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.44 AU - 0.62 AU

Year: 170 Days

Day: 42.2 Hours

Environment

Temp: 17 °C

Axial Tilt: 2.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Asteroid Belt

Center: 1.66 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 241.4

Radius: 12.6

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 2.48 AU - 3.1 AU

Year: 2049 Days

Day: 5.6 Hours

Environment

Temp: -146 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 22,116,137 km

• M1: 161,566 km (0.111 R)
• M2: 605,123 km (0.102 R)
• M3: 1,214,735 km (0.075 R)
• M4: 1,660,985 km (0.083 R)
• M5: 2,306,949 km (0.119 R)
• M6: 2,897,262 km (0.113 R)
• M7: 3,316,136 km (0.085 R)
• M8: 4,880,930 km (0.117 R)
• M9: 5,314,315 km (0.103 R)
• M10: 6,057,068 km (0.079 R)
• M11: 7,593,738 km (0.091 R)
• M12: 8,123,464 km (0.116 R)
• M13: 8,734,571 km (0.091 R)
• M14: 9,496,174 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 696.7

Radius: 14.7

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 2.92 AU - 2.98 AU

Year: 2228 Days

Day: 10.6 Hours

Environment

Temp: -153 °C

Axial Tilt: 113 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 22,116,137 km

• M1: 182,809 km (0.09 R)
• M2: 685,158 km (0.101 R)
• M3: 1,330,374 km (0.056 R)
• M4: 1,791,135 km (0.09 R)
• M5: 2,400,747 km (0.073 R)
• M6: 3,429,681 km (0.077 R)
• M7: 4,026,875 km (0.065 R)
• M8: 4,650,848 km (0.104 R)
• M9: 5,818,160 km (0.047 R)
• M10: 6,378,704 km (0.106 R)
• M11: 7,201,342 km (0.116 R)
• M12: 7,818,583 km (0.074 R)
• M13: 8,925,907 km (0.072 R)
• M14: 9,604,333 km (0.078 R)
• M15: 10,207,661 km (0.089 R)
• M16: 10,874,120 km (0.116 R)
• M17: 11,373,477 km (0.12 R)
• M18: 12,668,097 km (0.116 R)
• M19: 15,549,502 km (0.06 R)
• M20: 16,734,915 km (0.112 R)
• M21: 17,610,362 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 483.4

Radius: 12.8

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 3.42 AU - 4.9 AU

Year: 3731 Days

Day: 11.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 22,116,137 km

• M1: 159,172 km (0.109 R)
• M2: 1,116,748 km (0.103 R)
• M3: 1,966,464 km (0.069 R)
• M4: 2,512,347 km (0.112 R)
• M5: 2,987,021 km (0.083 R)
• M6: 6,471,753 km (0.071 R)
• M7: 8,491,923 km (0.06 R)
• M8: 10,780,621 km (0.098 R)
• M9: 11,655,918 km (0.088 R)
• M10: 17,706,703 km (0.102 R)
• M11: 19,646,090 km (0.117 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: 367 - 10,407 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit