🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.69

Radius: 1.49

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.03 AU - 1.05 AU

Year: 488 Days

Day: 43.2 Hours

Environment

Temp: -89 °C

Axial Tilt: 20 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.85 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 624.8

Radius: 11.5

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 2.42 AU - 2.9 AU

Year: 1996 Days

Day: 11.7 Hours

Environment

Temp: -139 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 37,297,706 km

• M1: 143,016 km (0.112 R)
• M2: 778,059 km (0.095 R)
• M3: 1,351,018 km (0.113 R)
• M4: 2,005,659 km (0.085 R)
• M5: 2,704,281 km (0.105 R)
• M6: 5,894,754 km (0.07 R)
• M7: 7,871,840 km (0.059 R)
• M8: 8,351,600 km (0.071 R)
• M9: 8,755,814 km (0.092 R)
• M10: 9,704,713 km (0.091 R)
• M11: 11,652,477 km (0.118 R)
• M12: 13,805,490 km (0.097 R)
• M13: 15,135,265 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 86.9

Radius: 13.1

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 2.77 AU - 3.21 AU

Year: 2379 Days

Day: 5.8 Hours

Environment

Temp: -148 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 37,297,706 km

• M1: 162,912 km (0.094 R)
• M2: 586,723 km (0.11 R)
• M3: 1,411,007 km (0.08 R)
• M4: 1,963,023 km (0.046 R)
• M5: 3,147,240 km (0.117 R)
• M6: 5,801,256 km (0.112 R)
• M7: 6,697,646 km (0.118 R)
• M8: 8,765,837 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 552.4

Radius: 14.4

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 5.95 AU - 7.07 AU

Year: 7643 Days

Day: 10.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 37,297,706 km

• M1: 179,368 km (0.106 R)
• M2: 636,689 km (0.09 R)
• M3: 1,122,283 km (0.067 R)
• M4: 1,939,985 km (0.081 R)
• M5: 2,737,342 km (0.07 R)
• M6: 3,213,362 km (0.117 R)
• M7: 5,249,090 km (0.065 R)
• M8: 6,023,857 km (0.042 R)
• M9: 8,277,101 km (0.04 R)
• M10: 8,855,296 km (0.073 R)
• M11: 11,094,926 km (0.098 R)
• M12: 12,747,833 km (0.076 R)
• M13: 15,651,378 km (0.111 R)
• M14: 16,927,597 km (0.093 R)
• M15: 19,326,699 km (0.05 R)
• M16: 20,199,153 km (0.102 R)
• M17: 23,542,367 km (0.089 R)
• M18: 24,119,515 km (0.065 R)
• M19: 25,388,255 km (0.056 R)
• M20: 29,461,505 km (0.06 R)
• M21: 30,812,823 km (0.107 R)
• M22: 32,712,417 km (0.067 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: 318 - 20,277 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit