🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

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: 311.4

Radius: 14.4

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.42 AU - 0.68 AU

Year: 287 Days

Day: 7.1 Hours

Environment

Temp: -149 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 11,475,934 km

• M1: 179,069 km (0.048 R)
• M2: 708,944 km (0.05 R)
• M3: 1,231,190 km (0.117 R)
• M4: 1,691,054 km (0.061 R)
• M5: 2,168,272 km (0.117 R)
• M6: 2,645,938 km (0.078 R)
• M7: 3,413,524 km (0.06 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 707.4

Radius: 12.6

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.62 AU - 0.72 AU

Year: 385 Days

Day: 10.5 Hours

Environment

Temp: -166 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 11,475,934 km

• M1: 156,779 km (0.095 R)
• M2: 586,872 km (0.084 R)
• M3: 1,167,312 km (0.063 R)
• M4: 1,618,499 km (0.094 R)
• M5: 2,263,865 km (0.089 R)
• M6: 2,835,628 km (0.105 R)
• M7: 3,706,586 km (0.071 R)
• M8: 4,353,597 km (0.049 R)
• M9: 4,850,561 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 269.4

Radius: 10.9

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.63 AU - 0.73 AU

Year: 394 Days

Day: 8.4 Hours

Environment

Temp: -150 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 11,475,934 km

• M1: 135,536 km (0.082 R)
• M2: 551,567 km (0.1 R)
• M3: 918,681 km (0.086 R)
• M4: 1,438,533 km (0.111 R)
• M5: 2,186,672 km (0.086 R)
• M6: 2,636,363 km (0.116 R)
• M7: 3,177,309 km (0.114 R)
• M8: 3,757,450 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 997.4

Radius: 12.5

Gravity: 6.38 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.82 AU - 0.9 AU

Year: 561 Days

Day: 6.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 11,475,934 km

• M1: 155,432 km (0.092 R)
• M2: 593,754 km (0.027 R)
• M3: 1,073,365 km (0.079 R)
• M4: 1,518,418 km (0.03 R)
• M5: 1,952,701 km (0.053 R)
• M6: 3,019,483 km (0.076 R)
• M7: 3,473,513 km (0.092 R)
• M8: 4,135,334 km (0.047 R)
• M9: 4,763,495 km (0.115 R)
• M10: 5,205,258 km (0.117 R)
• M11: 6,132,615 km (0.112 R)
• M12: 7,254,450 km (0.099 R)
• M13: 7,749,170 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 146.6

Radius: 12

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.83 AU - 2.87 AU

Year: 2532 Days

Day: 9.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 11,475,934 km

• M1: 204,949 km (0.105 R)
• M2: 805,734 km (0.112 R)
• M3: 1,288,038 km (0.101 R)
• M4: 2,117,109 km (0.087 R)
• M5: 2,595,822 km (0.066 R)
• M6: 3,174,467 km (0.119 R)
• M7: 4,254,863 km (0.088 R)
• M8: 5,300,103 km (0.081 R)
• M9: 5,948,460 km (0.118 R)
• M10: 6,440,188 km (0.061 R)
• M11: 7,378,765 km (0.115 R)
• M12: 9,497,071 km (0.069 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 261 - 11,304 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit