🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.11

Radius: 1.04

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.58 AU - 0.66 AU

Year: 185 Days

Day: 29.6 Hours

Environment

Temp: 182 °C

Axial Tilt: 12.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.11

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.77 AU - 0.83 AU

Year: 271 Days

Day: 33.4 Hours

Environment

Temp: 103 °C

Axial Tilt: 62.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 35,329,307 km

• M1: 101,577 km (0.091 R)
• M2: 299,794 km (0.076 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.11

Radius: 1.35

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 2.83 AU - 3.47 AU

Year: 2117 Days

Day: 28.5 Hours

Environment

Temp: -125 °C

Axial Tilt: 26.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 35,329,307 km

• M1: 1,620,145 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 11.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 233.2

Radius: 12.3

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 11.07 AU - 11.25 AU

Year: 14120 Days

Day: 5.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 35,329,307 km

• M1: 153,039 km (0.119 R)
• M2: 1,197,980 km (0.072 R)
• M3: 2,160,642 km (0.062 R)
• M4: 2,604,649 km (0.081 R)
• M5: 3,397,816 km (0.098 R)
• M6: 9,401,478 km (0.08 R)
• M7: 14,860,155 km (0.115 R)
• M8: 20,224,585 km (0.06 R)
• M9: 30,042,394 km (0.073 R)
• M10: 31,573,977 km (0.059 R)
• M11: 34,022,745 km (0.117 R)
• M12: 39,295,321 km (0.043 R)
• M13: 40,878,665 km (0.113 R)

Planet 5 - Ice Giant

Semi-Major Axis: 12.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 102.5

Radius: 6.3

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 11.02 AU - 13.6 AU

Year: 16358 Days

Day: 23.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 35,329,307 km

• M1: 78,389 km (0.104 R)
• M2: 382,073 km (0.071 R)
• M3: 609,611 km (0.08 R)
• M4: 965,056 km (0.08 R)
• M5: 1,169,706 km (0.039 R)
• M6: 1,476,082 km (0.08 R)
• M7: 2,153,312 km (0.056 R)
• M8: 3,020,231 km (0.117 R)
• M9: 3,645,551 km (0.079 R)
• M10: 3,880,120 km (0.1 R)
• M11: 4,149,845 km (0.111 R)
• M12: 5,121,184 km (0.115 R)
• M13: 5,326,432 km (0.105 R)
• M14: 7,730,620 km (0.068 R)
• M15: 8,198,263 km (0.105 R)
• M16: 9,670,006 km (0.112 R)
• M17: 10,121,044 km (0.053 R)
• M18: 14,654,458 km (0.061 R)
• M19: 16,360,472 km (0.107 R)
• M20: 17,857,498 km (0.08 R)
• M21: 18,398,893 km (0.09 R)
• M22: 23,774,842 km (0.113 R)
• M23: 35,118,250 km (0.054 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 380 - 19,727 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit