🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 278.5

Radius: 10.5

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.99 AU - 1.01 AU

Year: 690 Days

Day: 14.9 Hours

Environment

Temp: -166 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 19,207,902 km

• M1: 130,599 km (0.112 R)
• M2: 592,108 km (0.076 R)
• M3: 1,061,098 km (0.083 R)
• M4: 2,284,958 km (0.112 R)
• M5: 2,716,548 km (0.105 R)
• M6: 3,156,814 km (0.112 R)
• M7: 4,168,096 km (0.068 R)
• M8: 5,415,443 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 785.7

Radius: 14.1

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.21 AU - 1.31 AU

Year: 976 Days

Day: 8.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 19,207,902 km

• M1: 175,478 km (0.118 R)
• M2: 627,862 km (0.08 R)
• M3: 1,167,462 km (0.057 R)
• M4: 1,741,918 km (0.098 R)
• M5: 2,561,864 km (0.075 R)
• M6: 3,364,606 km (0.109 R)
• M7: 4,031,962 km (0.074 R)
• M8: 4,696,176 km (0.12 R)
• M9: 5,198,077 km (0.101 R)
• M10: 7,354,231 km (0.118 R)
• M11: 7,802,726 km (0.118 R)
• M12: 8,322,578 km (0.084 R)
• M13: 8,782,592 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547.3

Radius: 13.9

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 2.16 AU - 2.98 AU

Year: 2844 Days

Day: 8.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 19,207,902 km

• M1: 172,935 km (0.106 R)
• M2: 740,809 km (0.094 R)
• M3: 1,210,546 km (0.076 R)
• M4: 2,228,709 km (0.104 R)
• M5: 3,191,072 km (0.057 R)
• M6: 4,331,606 km (0.066 R)
• M7: 6,462,179 km (0.071 R)
• M8: 7,082,113 km (0.083 R)
• M9: 7,710,873 km (0.048 R)
• M10: 10,416,051 km (0.114 R)
• M11: 11,551,798 km (0.053 R)
• M12: 12,552,757 km (0.098 R)
• M13: 13,340,989 km (0.097 R)
• M14: 14,871,375 km (0.055 R)
• M15: 15,604,554 km (0.055 R)
• M16: 17,302,490 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279.7

Radius: 12.1

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 2.88 AU - 3.54 AU

Year: 3970 Days

Day: 10 Hours

Environment

Temp: -210 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 19,207,902 km

• M1: 150,495 km (0.087 R)
• M2: 555,457 km (0.112 R)
• M3: 1,131,558 km (0.051 R)
• M4: 1,729,950 km (0.107 R)
• M5: 2,784,016 km (0.061 R)
• M6: 3,235,503 km (0.114 R)
• M7: 3,642,708 km (0.113 R)
• M8: 4,938,525 km (0.066 R)
• M9: 7,087,199 km (0.079 R)
• M10: 7,935,718 km (0.116 R)
• M11: 8,384,811 km (0.069 R)
• M12: 9,726,106 km (0.068 R)
• M13: 10,129,122 km (0.119 R)
• M14: 10,696,547 km (0.086 R)
• M15: 12,830,112 km (0.105 R)
• M16: 13,449,896 km (0.093 R)
• M17: 16,749,127 km (0.077 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 147 - 18,031 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit