🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.19

Radius: 1.77

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.56 AU - 0.72 AU

Year: 336 Days

Day: 19.8 Hours

Environment

Temp: -139 °C

Axial Tilt: 35.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 426.7

Radius: 11

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.8 AU - 0.98 AU

Year: 551 Days

Day: 5.8 Hours

Environment

Temp: -149 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 41,507,001 km

• M1: 137,032 km (0.088 R)
• M2: 518,506 km (0.096 R)
• M3: 988,992 km (0.045 R)
• M4: 1,981,424 km (0.098 R)
• M5: 2,658,205 km (0.102 R)
• M6: 3,089,794 km (0.113 R)
• M7: 3,768,071 km (0.072 R)
• M8: 4,571,861 km (0.112 R)
• M9: 5,258,814 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 84.6

Radius: 12.9

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 2.63 AU - 2.77 AU

Year: 2910 Days

Day: 6.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 41,507,001 km

• M1: 189,989 km (0.045 R)
• M2: 599,289 km (0.109 R)
• M3: 1,323,642 km (0.067 R)
• M4: 2,280,470 km (0.072 R)
• M5: 3,141,705 km (0.084 R)
• M6: 4,497,959 km (0.115 R)
• M7: 5,269,286 km (0.108 R)
• M8: 7,340,020 km (0.094 R)
• M9: 9,039,003 km (0.085 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 280.4

Radius: 3.4

Gravity: 24.26 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 6.9 AU - 7.44 AU

Year: 12595 Days

Day: 24.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 41,507,001 km

• M1: 42,336 km (0.11 R)
• M2: 249,679 km (0.115 R)
• M3: 410,048 km (0.099 R)
• M4: 682,465 km (0.112 R)
• M5: 867,518 km (0.081 R)
• M6: 1,230,293 km (0.088 R)
• M7: 1,850,675 km (0.086 R)
• M8: 2,091,977 km (0.087 R)
• M9: 2,228,859 km (0.113 R)
• M10: 2,696,053 km (0.112 R)
• M11: 3,293,248 km (0.038 R)
• M12: 3,502,685 km (0.115 R)
• M13: 4,025,828 km (0.08 R)
• M14: 4,157,774 km (0.108 R)
• M15: 5,194,337 km (0.103 R)
• M16: 5,350,817 km (0.099 R)
• M17: 5,542,601 km (0.113 R)
• M18: 6,941,042 km (0.103 R)
• M19: 7,246,371 km (0.098 R)
• M20: 8,776,608 km (0.065 R)
• M21: 9,179,026 km (0.109 R)
• M22: 11,963,192 km (0.067 R)
• M23: 12,965,348 km (0.103 R)
• M24: 13,137,685 km (0.038 R)
• M25: 13,545,638 km (0.117 R)
• M26: 14,022,257 km (0.073 R)
• M27: 16,506,479 km (0.035 R)
• M28: 17,326,126 km (0.114 R)
• M29: 22,654,653 km (0.049 R)
• M30: 22,904,631 km (0.063 R)
• M31: 24,443,394 km (0.087 R)
• M32: 26,141,181 km (0.043 R)
• M33: 30,270,082 km (0.045 R)
• M34: 31,083,296 km (0.118 R)
• M35: 33,502,443 km (0.052 R)
• M36: 39,548,441 km (0.06 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 396 - 14,754 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit