🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 630.8

Radius: 8.5

Gravity: 8.73 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.58 AU - 0.62 AU

Year: 321 Days

Day: 5.8 Hours

Environment

Temp: -145 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 11,728,633 km

• M1: 105,766 km (0.062 R)
• M2: 374,593 km (0.077 R)
• M3: 643,869 km (0.057 R)
• M4: 1,003,652 km (0.099 R)
• M5: 1,312,273 km (0.096 R)
• M6: 1,664,127 km (0.12 R)
• M7: 2,001,171 km (0.067 R)
• M8: 2,383,543 km (0.105 R)
• M9: 2,708,918 km (0.043 R)
• M10: 3,285,169 km (0.049 R)
• M11: 3,631,488 km (0.066 R)
• M12: 4,424,357 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 730.5

Radius: 14.6

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.57 AU - 0.73 AU

Year: 362 Days

Day: 9.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 11,728,633 km

• M1: 181,612 km (0.113 R)
• M2: 678,726 km (0.077 R)
• M3: 1,186,012 km (0.098 R)
• M4: 1,744,910 km (0.102 R)
• M5: 2,723,280 km (0.07 R)
• M6: 3,292,649 km (0.076 R)
• M7: 3,966,588 km (0.082 R)
• M8: 4,520,848 km (0.048 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 281.4

Radius: 12

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.99 AU - 1.31 AU

Year: 851 Days

Day: 10.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 11,728,633 km

• M1: 149,299 km (0.092 R)
• M2: 604,076 km (0.112 R)
• M3: 1,283,849 km (0.084 R)
• M4: 2,251,747 km (0.068 R)
• M5: 2,806,007 km (0.1 R)
• M6: 3,253,006 km (0.089 R)
• M7: 3,747,576 km (0.073 R)
• M8: 4,515,313 km (0.094 R)
• M9: 6,006,504 km (0.113 R)
• M10: 6,440,338 km (0.071 R)
• M11: 6,814,632 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 268.2

Radius: 10.5

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.86 AU - 2.64 AU

Year: 2330 Days

Day: 5.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 11,728,633 km

• M1: 168,148 km (0.114 R)
• M2: 699,071 km (0.106 R)
• M3: 1,530,536 km (0.102 R)
• M4: 1,926,222 km (0.074 R)
• M5: 3,757,450 km (0.115 R)
• M6: 4,374,391 km (0.098 R)
• M7: 4,996,419 km (0.114 R)
• M8: 6,810,892 km (0.118 R)
• M9: 7,811,402 km (0.033 R)
• M10: 8,146,950 km (0.076 R)
• M11: 9,058,600 km (0.081 R)
• M12: 9,429,303 km (0.076 R)
• M13: 12,054,297 km (0.102 R)
• M14: 12,847,316 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 134.8

Radius: 13.4

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 2.39 AU - 2.61 AU

Year: 2728 Days

Day: 12.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 11,728,633 km

• M1: 166,652 km (0.092 R)
• M2: 1,429,408 km (0.069 R)
• M3: 2,153,910 km (0.071 R)
• M4: 3,197,505 km (0.081 R)
• M5: 4,500,203 km (0.086 R)
• M6: 5,142,576 km (0.045 R)
• M7: 5,632,360 km (0.104 R)
• M8: 6,564,953 km (0.093 R)
• M9: 8,850,659 km (0.078 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 382 - 18,334 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit