🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.43

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.4 AU - 0.62 AU

Year: 129 Days

Day: 22.4 Hours

Environment

Temp: 200 °C

Axial Tilt: 1.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 49,533,123 km

• M1: 43,982 km (0.112 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.15

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.41 AU - 0.65 AU

Year: 136 Days

Day: 17.2 Hours

Environment

Temp: 258 °C

Axial Tilt: 22.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.94

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.58 AU - 0.78 AU

Year: 198 Days

Day: 30.2 Hours

Environment

Temp: 232 °C

Axial Tilt: 31.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.99

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.77 AU - 1.05 AU

Year: 307 Days

Day: 43.9 Hours

Environment

Temp: 91 °C

Axial Tilt: 26.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 49,533,123 km

• M1: 253,718 km (0.116 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.08

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 4.1 AU - 4.66 AU

Year: 3237 Days

Day: 24 Hours

Environment

Temp: -121 °C

Axial Tilt: 155.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Ice Giant

Semi-Major Axis: 13.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 231.2

Radius: 5.5

Gravity: 7.64 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 10.37 AU - 17.21 AU

Year: 18082 Days

Day: 19.4 Hours

Environment

Temp: -176 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 49,533,123 km

• M1: 68,665 km (0.12 R)
• M2: 286,630 km (0.112 R)
• M3: 573,857 km (0.063 R)
• M4: 908,059 km (0.075 R)
• M5: 1,570,778 km (0.101 R)
• M6: 2,594,326 km (0.103 R)
• M7: 2,980,139 km (0.117 R)
• M8: 5,336,156 km (0.112 R)
• M9: 5,959,381 km (0.107 R)
• M10: 6,326,045 km (0.1 R)
• M11: 6,903,792 km (0.07 R)
• M12: 8,075,742 km (0.119 R)
• M13: 9,719,523 km (0.043 R)
• M14: 11,131,129 km (0.046 R)
• M15: 11,800,280 km (0.099 R)
• M16: 13,904,972 km (0.053 R)
• M17: 14,879,004 km (0.068 R)
• M18: 15,281,123 km (0.055 R)
• M19: 17,922,423 km (0.038 R)
• M20: 18,377,650 km (0.097 R)
• M21: 21,696,628 km (0.115 R)
• M22: 21,954,086 km (0.107 R)
• M23: 24,363,958 km (0.095 R)
• M24: 24,735,260 km (0.058 R)
• M25: 25,584,826 km (0.097 R)
• M26: 34,123,125 km (0.042 R)
• M27: 36,611,087 km (0.087 R)
• M28: 38,460,565 km (0.088 R)
• M29: 45,493,311 km (0.034 R)
• M30: 45,915,177 km (0.114 R)
• M31: 48,064,001 km (0.07 R)

Kuiper Belt

Range: 31.1 - 51.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 447 - 18,432 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit