🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.98

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.5 AU - 0.52 AU

Year: 157 Days

Day: 20.2 Hours

Environment

Temp: 74 °C

Axial Tilt: 19.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.1

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.78 AU - 1.18 AU

Year: 418 Days

Day: 41.6 Hours

Environment

Temp: -48 °C

Axial Tilt: 46 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.17

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.96 AU - 1.38 AU

Year: 545 Days

Day: 25.4 Hours

Environment

Temp: -76 °C

Axial Tilt: 7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 330.7

Radius: 9.5

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 3.34 AU - 3.56 AU

Year: 2758 Days

Day: 5.9 Hours

Environment

Temp: -159 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 30,672,597 km

• M1: 118,182 km (0.096 R)
• M2: 461,659 km (0.109 R)
• M3: 952,190 km (0.07 R)
• M4: 1,265,000 km (0.037 R)
• M5: 1,687,913 km (0.088 R)
• M6: 3,333,340 km (0.091 R)
• M7: 3,851,098 km (0.06 R)
• M8: 4,148,648 km (0.101 R)
• M9: 4,501,699 km (0.106 R)
• M10: 5,683,522 km (0.1 R)
• M11: 6,045,848 km (0.094 R)
• M12: 6,870,731 km (0.06 R)
• M13: 8,246,134 km (0.107 R)
• M14: 8,616,837 km (0.059 R)
• M15: 9,259,659 km (0.116 R)
• M16: 10,786,156 km (0.073 R)
• M17: 12,798,547 km (0.097 R)
• M18: 14,110,670 km (0.117 R)
• M19: 14,867,336 km (0.091 R)
• M20: 15,510,457 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47.2

Radius: 13.3

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 3.08 AU - 4.58 AU

Year: 3226 Days

Day: 9.5 Hours

Environment

Temp: -149 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 30,672,597 km

• M1: 165,455 km (0.066 R)
• M2: 614,099 km (0.091 R)
• M3: 1,150,707 km (0.112 R)
• M4: 2,175,901 km (0.107 R)
• M5: 2,728,366 km (0.063 R)
• M6: 4,506,935 km (0.094 R)
• M7: 5,413,049 km (0.109 R)

Asteroid Belt

Center: 7.91 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 11.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 56.2

Radius: 6.3

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 9.46 AU - 14.52 AU

Year: 17871 Days

Day: 17.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 30,672,597 km

• M1: 78,389 km (0.037 R)
• M2: 544,985 km (0.043 R)
• M3: 1,025,493 km (0.052 R)
• M4: 2,186,971 km (0.119 R)
• M5: 3,134,674 km (0.098 R)
• M6: 3,461,844 km (0.058 R)
• M7: 4,330,709 km (0.085 R)
• M8: 9,954,990 km (0.072 R)
• M9: 15,277,383 km (0.088 R)
• M10: 24,687,089 km (0.088 R)
• M11: 27,656,906 km (0.104 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 478 - 12,222 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit