🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 133.6

Radius: 14.3

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.74 AU - 0.82 AU

Year: 476 Days

Day: 11 Hours

Environment

Temp: -156 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 44,144,540 km

• M1: 177,872 km (0.061 R)
• M2: 638,185 km (0.09 R)
• M3: 1,096,253 km (0.119 R)
• M4: 1,561,503 km (0.074 R)
• M5: 2,098,409 km (0.12 R)
• M6: 2,707,871 km (0.101 R)
• M7: 3,181,797 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 904.2

Radius: 14.7

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.69 AU - 1.05 AU

Year: 560 Days

Day: 12 Hours

Environment

Temp: -160 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 44,144,540 km

• M1: 182,809 km (0.07 R)
• M2: 827,276 km (0.07 R)
• M3: 1,333,515 km (0.054 R)
• M4: 1,855,163 km (0.104 R)
• M5: 2,362,898 km (0.081 R)
• M6: 2,999,437 km (0.069 R)
• M7: 3,481,591 km (0.119 R)
• M8: 4,356,589 km (0.057 R)
• M9: 5,029,630 km (0.086 R)
• M10: 6,789,948 km (0.096 R)
• M11: 7,540,780 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 502.5

Radius: 8.3

Gravity: 7.29 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.5 AU - 1.86 AU

Year: 1503 Days

Day: 7.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 44,144,540 km

• M1: 103,372 km (0.057 R)
• M2: 645,365 km (0.098 R)
• M3: 926,160 km (0.059 R)
• M4: 1,555,219 km (0.045 R)
• M5: 2,119,353 km (0.113 R)
• M6: 2,655,661 km (0.072 R)
• M7: 2,977,147 km (0.108 R)
• M8: 3,369,991 km (0.074 R)
• M9: 4,477,015 km (0.095 R)
• M10: 4,759,307 km (0.049 R)
• M11: 5,133,900 km (0.104 R)
• M12: 5,831,475 km (0.087 R)
• M13: 6,760,029 km (0.088 R)
• M14: 7,082,113 km (0.1 R)
• M15: 7,597,627 km (0.12 R)
• M16: 7,891,587 km (0.11 R)
• M17: 8,389,149 km (0.084 R)
• M18: 9,264,746 km (0.115 R)
• M19: 10,071,826 km (0.074 R)
• M20: 10,525,407 km (0.081 R)
• M21: 11,094,328 km (0.072 R)
• M22: 11,473,259 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 171.3

Radius: 8.1

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 3.33 AU - 3.49 AU

Year: 4347 Days

Day: 10.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 44,144,540 km

• M1: 100,829 km (0.109 R)
• M2: 575,204 km (0.065 R)
• M3: 1,323,193 km (0.12 R)
• M4: 2,041,861 km (0.118 R)
• M5: 3,274,398 km (0.075 R)
• M6: 4,637,983 km (0.058 R)
• M7: 7,783,128 km (0.116 R)
• M8: 11,096,572 km (0.119 R)
• M9: 14,731,501 km (0.113 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 373.4

Radius: 6.7

Gravity: 8.32 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 6.5 AU - 6.9 AU

Year: 11971 Days

Day: 24.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 44,144,540 km

• M1: 131,497 km (0.099 R)
• M2: 357,838 km (0.112 R)
• M3: 1,447,359 km (0.042 R)
• M4: 1,710,352 km (0.043 R)
• M5: 1,924,277 km (0.083 R)
• M6: 4,233,769 km (0.054 R)
• M7: 6,066,642 km (0.077 R)
• M8: 7,904,452 km (0.088 R)
• M9: 8,459,760 km (0.054 R)
• M10: 11,205,928 km (0.117 R)
• M11: 12,808,420 km (0.045 R)
• M12: 13,815,663 km (0.118 R)
• M13: 14,684,078 km (0.082 R)
• M14: 19,732,109 km (0.108 R)
• M15: 20,355,932 km (0.076 R)
• M16: 21,153,887 km (0.055 R)
• M17: 25,368,059 km (0.105 R)
• M18: 27,333,925 km (0.067 R)
• M19: 27,913,616 km (0.1 R)
• M20: 31,145,080 km (0.073 R)
• M21: 34,505,198 km (0.098 R)
• M22: 37,266,924 km (0.072 R)
• M23: 38,459,967 km (0.101 R)
• M24: 40,921,899 km (0.063 R)
• M25: 44,144,536 km (0.104 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: 509 - 15,987 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit