🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.64 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 866.5

Radius: 12.3

Gravity: 5.73 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.08 AU - 1.48 AU

Year: 1018 Days

Day: 10.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 43,485,284 km

• M1: 153,039 km (0.111 R)
• M2: 535,710 km (0.089 R)
• M3: 1,039,406 km (0.117 R)
• M4: 1,588,729 km (0.105 R)
• M5: 2,396,408 km (0.111 R)
• M6: 2,967,274 km (0.109 R)
• M7: 3,358,173 km (0.078 R)
• M8: 4,193,976 km (0.102 R)
• M9: 4,688,996 km (0.107 R)
• M10: 5,362,635 km (0.077 R)
• M11: 5,775,824 km (0.085 R)
• M12: 6,165,975 km (0.092 R)
• M13: 6,690,316 km (0.09 R)
• M14: 7,145,692 km (0.081 R)
• M15: 7,724,636 km (0.057 R)
• M16: 8,416,526 km (0.084 R)
• M17: 8,948,047 km (0.106 R)
• M18: 10,742,623 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 248.3

Radius: 12.7

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.23 AU - 1.77 AU

Year: 1291 Days

Day: 10.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 43,485,284 km

• M1: 158,125 km (0.106 R)
• M2: 666,459 km (0.067 R)
• M3: 1,148,164 km (0.093 R)
• M4: 2,161,988 km (0.092 R)
• M5: 2,656,559 km (0.098 R)
• M6: 3,111,337 km (0.085 R)
• M7: 4,902,472 km (0.056 R)
• M8: 5,842,694 km (0.065 R)
• M9: 6,597,565 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 124.1

Radius: 12.9

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 2.92 AU - 3.5 AU

Year: 4043 Days

Day: 6.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 43,485,284 km

• M1: 160,519 km (0.095 R)
• M2: 927,806 km (0.112 R)
• M3: 1,409,960 km (0.097 R)
• M4: 2,381,449 km (0.114 R)
• M5: 3,707,334 km (0.047 R)
• M6: 4,454,576 km (0.066 R)
• M7: 6,883,148 km (0.093 R)
• M8: 7,447,580 km (0.063 R)
• M9: 8,456,917 km (0.05 R)
• M10: 9,264,297 km (0.104 R)
• M11: 10,054,622 km (0.071 R)
• M12: 12,539,144 km (0.036 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 947.8

Radius: 13.5

Gravity: 5.2 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 4.08 AU - 5.48 AU

Year: 7346 Days

Day: 12.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 43,485,284 km

• M1: 171,290 km (0.105 R)
• M2: 635,492 km (0.109 R)
• M3: 1,098,497 km (0.077 R)
• M4: 2,105,889 km (0.103 R)
• M5: 2,837,572 km (0.12 R)
• M6: 3,635,976 km (0.106 R)
• M7: 5,647,768 km (0.059 R)
• M8: 6,471,903 km (0.098 R)
• M9: 7,414,220 km (0.11 R)
• M10: 11,311,693 km (0.078 R)
• M11: 12,063,871 km (0.098 R)
• M12: 12,508,626 km (0.082 R)
• M13: 15,025,760 km (0.051 R)
• M14: 17,227,691 km (0.106 R)
• M15: 17,935,438 km (0.059 R)
• M16: 20,331,398 km (0.109 R)
• M17: 22,346,332 km (0.048 R)
• M18: 23,790,549 km (0.112 R)
• M19: 26,026,140 km (0.105 R)
• M20: 27,052,830 km (0.114 R)
• M21: 28,300,925 km (0.103 R)
• M22: 29,687,548 km (0.085 R)
• M23: 37,190,031 km (0.095 R)
• M24: 38,015,213 km (0.12 R)
• M25: 41,565,020 km (0.101 R)
• M26: 43,485,259 km (0.094 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: 531 - 14,950 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit