🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 87.1

Radius: 13.8

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.53 AU - 0.57 AU

Year: 282 Days

Day: 7.2 Hours

Environment

Temp: -136 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 36,642,969 km

• M1: 171,589 km (0.102 R)
• M2: 886,966 km (0.11 R)
• M3: 1,508,994 km (0.109 R)
• M4: 2,027,799 km (0.065 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 45.7

Radius: 12.6

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.54 AU - 0.82 AU

Year: 387 Days

Day: 7 Hours

Environment

Temp: -151 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 36,642,969 km

• M1: 156,629 km (0.073 R)
• M2: 623,674 km (0.086 R)
• M3: 1,082,490 km (0.037 R)
• M4: 1,556,267 km (0.111 R)
• M5: 1,980,377 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 840.4

Radius: 8.7

Gravity: 11.1 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.52 AU - 2.22 AU

Year: 1765 Days

Day: 10.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 36,642,969 km

• M1: 108,309 km (0.096 R)
• M2: 420,370 km (0.047 R)
• M3: 960,718 km (0.108 R)
• M4: 1,313,469 km (0.088 R)
• M5: 1,649,017 km (0.068 R)
• M6: 1,926,671 km (0.119 R)
• M7: 2,924,788 km (0.119 R)
• M8: 4,292,860 km (0.115 R)
• M9: 5,263,302 km (0.104 R)
• M10: 6,094,468 km (0.108 R)
• M11: 6,820,466 km (0.086 R)
• M12: 10,309,537 km (0.11 R)
• M13: 11,567,955 km (0.119 R)
• M14: 12,075,091 km (0.099 R)
• M15: 13,050,469 km (0.109 R)
• M16: 14,253,685 km (0.075 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 327.5

Radius: 4.1

Gravity: 19.48 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 5.64 AU - 5.98 AU

Year: 9667 Days

Day: 20.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 36,642,969 km

• M1: 57,745 km (0.037 R)
• M2: 189,840 km (0.102 R)
• M3: 339,288 km (0.091 R)
• M4: 907,012 km (0.045 R)
• M5: 2,043,058 km (0.051 R)
• M6: 3,898,820 km (0.053 R)
• M7: 4,251,422 km (0.111 R)
• M8: 5,315,811 km (0.099 R)
• M9: 5,467,952 km (0.095 R)
• M10: 5,812,924 km (0.086 R)
• M11: 6,105,837 km (0.053 R)
• M12: 6,756,438 km (0.113 R)
• M13: 7,490,066 km (0.056 R)
• M14: 11,709,624 km (0.118 R)
• M15: 13,995,330 km (0.114 R)
• M16: 15,365,048 km (0.053 R)
• M17: 15,550,100 km (0.087 R)
• M18: 16,368,999 km (0.096 R)
• M19: 16,626,607 km (0.115 R)
• M20: 18,786,052 km (0.087 R)
• M21: 20,597,981 km (0.106 R)
• M22: 21,894,546 km (0.11 R)
• M23: 22,682,029 km (0.071 R)
• M24: 28,544,770 km (0.115 R)
• M25: 28,824,368 km (0.058 R)
• M26: 31,722,228 km (0.1 R)
• M27: 32,729,621 km (0.053 R)
• M28: 33,550,913 km (0.042 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 415 - 16,715 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit