🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.8

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.81 AU - 1.23 AU

Year: 367 Days

Day: 32.9 Hours

Environment

Temp: 151 °C

Axial Tilt: 17.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 53,333,053 km

• M1: 573,259 km (0.103 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.1

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.35 AU - 1.81 AU

Year: 708 Days

Day: 13.2 Hours

Environment

Temp: -30 °C

Axial Tilt: 0.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.64 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653.1

Radius: 14.1

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 5.12 AU - 6.26 AU

Year: 4838 Days

Day: 13.8 Hours

Environment

Temp: -145 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 53,333,053 km

• M1: 189,092 km (0.046 R)
• M2: 632,350 km (0.08 R)
• M3: 1,087,277 km (0.074 R)
• M4: 2,286,005 km (0.057 R)
• M5: 3,194,962 km (0.044 R)
• M6: 5,036,063 km (0.098 R)
• M7: 7,786,569 km (0.102 R)
• M8: 8,483,546 km (0.1 R)
• M9: 12,563,080 km (0.088 R)
• M10: 21,383,220 km (0.049 R)
• M11: 21,952,590 km (0.113 R)
• M12: 28,900,962 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 8.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 889.7

Radius: 13.6

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 7.72 AU - 9.42 AU

Year: 8943 Days

Day: 9.4 Hours

Environment

Temp: -158 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 53,333,053 km

• M1: 170,542 km (0.077 R)
• M2: 712,834 km (0.059 R)
• M3: 1,186,162 km (0.085 R)
• M4: 1,724,714 km (0.085 R)
• M5: 2,560,368 km (0.116 R)
• M6: 2,994,650 km (0.087 R)
• M7: 3,882,663 km (0.077 R)
• M8: 4,460,709 km (0.077 R)
• M9: 6,436,149 km (0.055 R)
• M10: 7,493,956 km (0.116 R)
• M11: 13,825,237 km (0.115 R)
• M12: 16,268,619 km (0.031 R)
• M13: 16,832,603 km (0.038 R)
• M14: 18,679,837 km (0.1 R)
• M15: 20,252,111 km (0.118 R)
• M16: 25,029,669 km (0.088 R)
• M17: 26,259,812 km (0.082 R)
• M18: 36,143,893 km (0.109 R)
• M19: 38,828,726 km (0.035 R)

Planet 5 - Ice Giant

Semi-Major Axis: 13.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 297.2

Radius: 5

Gravity: 11.89 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 13.14 AU - 14 AU

Year: 17818 Days

Day: 23.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 53,333,053 km

• M1: 62,981 km (0.112 R)
• M2: 534,663 km (0.056 R)
• M3: 1,087,577 km (0.105 R)
• M4: 2,346,143 km (0.102 R)
• M5: 2,547,652 km (0.116 R)
• M6: 5,843,742 km (0.085 R)
• M7: 8,828,818 km (0.11 R)
• M8: 11,742,086 km (0.114 R)
• M9: 12,393,136 km (0.095 R)
• M10: 15,307,901 km (0.11 R)
• M11: 22,178,184 km (0.075 R)
• M12: 26,426,613 km (0.119 R)
• M13: 30,411,751 km (0.059 R)
• M14: 34,420,376 km (0.069 R)
• M15: 37,363,863 km (0.107 R)
• M16: 45,160,755 km (0.108 R)
• M17: 48,082,102 km (0.074 R)

Kuiper Belt

Range: 30.8 - 45.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 406 - 15,288 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit