🌌 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: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.14

Radius: 1.05

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.53 AU - 0.55 AU

Year: 143 Days

Day: 13.2 Hours

Environment

Temp: 173 °C

Axial Tilt: 8.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.96

Radius: 1.54

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.41 AU - 0.67 AU

Year: 143 Days

Day: 44.8 Hours

Environment

Temp: 203 °C

Axial Tilt: 32.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.76

Radius: 1.25

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.72 AU - 0.98 AU

Year: 282 Days

Day: 24.6 Hours

Environment

Temp: 148 °C

Axial Tilt: 159.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 97,900,889 km

• M1: 280,346 km (0.095 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.6

Radius: 1.21

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.78 AU - 0.96 AU

Year: 292 Days

Day: 16.2 Hours

Environment

Temp: 105 °C

Axial Tilt: 34.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 97,900,889 km

• M1: 30,069 km (0.095 R)
• M2: 212,130 km (0.089 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.88

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.64 AU - 1.84 AU

Year: 826 Days

Day: 29.7 Hours

Environment

Temp: -39 °C

Axial Tilt: 8.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Ice Giant

Semi-Major Axis: 17.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 840.8

Radius: 3

Gravity: 93.42 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 16.26 AU - 18.74 AU

Year: 26347 Days

Day: 22.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 97,900,889 km

• M1: 37,998 km (0.061 R)
• M2: 509,680 km (0.032 R)
• M3: 930,798 km (0.062 R)
• M4: 1,051,224 km (0.069 R)
• M5: 1,356,703 km (0.092 R)
• M6: 2,759,632 km (0.098 R)
• M7: 4,603,276 km (0.103 R)
• M8: 7,710,125 km (0.114 R)
• M9: 8,661,118 km (0.088 R)
• M10: 9,687,809 km (0.038 R)
• M11: 9,813,620 km (0.108 R)
• M12: 10,658,549 km (0.074 R)
• M13: 13,718,424 km (0.115 R)
• M14: 21,924,316 km (0.072 R)
• M15: 23,360,904 km (0.109 R)
• M16: 27,790,796 km (0.116 R)
• M17: 31,907,580 km (0.064 R)
• M18: 34,328,971 km (0.073 R)
• M19: 39,694,000 km (0.09 R)
• M20: 40,340,562 km (0.094 R)
• M21: 72,335,358 km (0.105 R)
• M22: 74,027,908 km (0.102 R)
• M23: 86,891,530 km (0.115 R)
• M24: 92,145,706 km (0.118 R)

Kuiper Belt

Range: 30.5 - 58.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 525 - 17,047 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit