🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628.7

Radius: 9.6

Gravity: 6.82 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.65 AU - 0.87 AU

Year: 428 Days

Day: 5.2 Hours

Environment

Temp: -140 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 17,789,254 km

• M1: 119,379 km (0.102 R)
• M2: 501,003 km (0.116 R)
• M3: 812,466 km (0.099 R)
• M4: 1,163,423 km (0.097 R)
• M5: 1,501,065 km (0.12 R)
• M6: 1,920,238 km (0.067 R)
• M7: 2,307,398 km (0.075 R)
• M8: 3,018,586 km (0.078 R)
• M9: 3,497,149 km (0.072 R)
• M10: 3,933,975 km (0.12 R)
• M11: 4,856,994 km (0.059 R)
• M12: 5,226,501 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 141.8

Radius: 12.7

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 2.35 AU - 2.69 AU

Year: 2583 Days

Day: 11.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 17,789,254 km

• M1: 167,998 km (0.075 R)
• M2: 615,595 km (0.081 R)
• M3: 1,022,501 km (0.098 R)
• M4: 1,680,283 km (0.104 R)
• M5: 2,258,479 km (0.1 R)
• M6: 4,321,284 km (0.081 R)
• M7: 5,275,719 km (0.031 R)
• M8: 7,297,085 km (0.101 R)
• M9: 8,761,648 km (0.104 R)
• M10: 9,193,238 km (0.117 R)
• M11: 10,477,685 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 838.6

Radius: 11.9

Gravity: 5.92 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 2.39 AU - 3.35 AU

Year: 3139 Days

Day: 8.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 17,789,254 km

• M1: 155,133 km (0.082 R)
• M2: 533,765 km (0.119 R)
• M3: 1,040,902 km (0.095 R)
• M4: 1,620,743 km (0.097 R)
• M5: 3,054,938 km (0.095 R)
• M6: 4,193,528 km (0.083 R)
• M7: 7,581,620 km (0.098 R)
• M8: 8,117,928 km (0.059 R)
• M9: 8,501,348 km (0.071 R)
• M10: 9,532,077 km (0.057 R)
• M11: 10,277,823 km (0.094 R)
• M12: 10,851,830 km (0.086 R)
• M13: 13,999,219 km (0.086 R)
• M14: 14,501,120 km (0.09 R)
• M15: 16,242,738 km (0.09 R)
• M16: 17,022,293 km (0.106 R)
• M17: 18,897,801 km (0.103 R)
• M18: 21,102,724 km (0.073 R)
• M19: 22,641,937 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 320.6

Radius: 14.8

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 2.68 AU - 3.26 AU

Year: 3305 Days

Day: 9.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 17,789,254 km

• M1: 184,005 km (0.106 R)
• M2: 650,003 km (0.055 R)
• M3: 1,336,358 km (0.102 R)
• M4: 2,070,883 km (0.111 R)
• M5: 3,049,702 km (0.111 R)
• M6: 3,672,628 km (0.066 R)
• M7: 4,180,064 km (0.078 R)
• M8: 5,550,530 km (0.092 R)
• M9: 6,538,474 km (0.12 R)
• M10: 7,289,156 km (0.111 R)
• M11: 8,004,234 km (0.086 R)
• M12: 9,096,897 km (0.096 R)
• M13: 10,730,954 km (0.082 R)
• M14: 11,697,357 km (0.118 R)
• M15: 12,847,914 km (0.105 R)
• M16: 15,041,168 km (0.08 R)
• M17: 15,759,986 km (0.08 R)
• M18: 17,008,829 km (0.054 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 231 - 17,690 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit