🌌 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: 882.4

Radius: 8.1

Gravity: 13.45 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.84 AU - 1.16 AU

Year: 678 Days

Day: 6.2 Hours

Environment

Temp: -174 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 14,774,582 km

• M1: 100,679 km (0.105 R)
• M2: 420,220 km (0.066 R)
• M3: 717,920 km (0.079 R)
• M4: 1,037,012 km (0.059 R)
• M5: 1,377,048 km (0.117 R)
• M6: 2,104,692 km (0.052 R)
• M7: 3,092,038 km (0.102 R)
• M8: 3,422,201 km (0.099 R)
• M9: 3,819,832 km (0.113 R)
• M10: 4,091,502 km (0.101 R)
• M11: 4,741,804 km (0.086 R)
• M12: 5,553,821 km (0.095 R)
• M13: 5,943,224 km (0.045 R)
• M14: 6,309,141 km (0.118 R)
• M15: 7,662,104 km (0.086 R)
• M16: 8,046,869 km (0.071 R)
• M17: 8,369,103 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 170

Radius: 12.2

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 2.01 AU - 2.67 AU

Year: 2428 Days

Day: 7.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 14,774,582 km

• M1: 160,369 km (0.08 R)
• M2: 664,963 km (0.107 R)
• M3: 1,368,521 km (0.109 R)
• M4: 2,351,529 km (0.069 R)
• M5: 3,003,925 km (0.04 R)
• M6: 3,418,162 km (0.089 R)
• M7: 4,488,535 km (0.118 R)
• M8: 5,052,818 km (0.069 R)
• M9: 5,475,581 km (0.028 R)
• M10: 5,856,757 km (0.095 R)
• M11: 6,346,690 km (0.103 R)
• M12: 6,767,957 km (0.109 R)
• M13: 8,530,819 km (0.056 R)
• M14: 9,429,004 km (0.086 R)
• M15: 11,176,158 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 139.5

Radius: 13

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 4.4 AU - 5.84 AU

Year: 7858 Days

Day: 11.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 14,774,582 km

• M1: 161,715 km (0.102 R)
• M2: 749,485 km (0.091 R)
• M3: 2,125,038 km (0.096 R)
• M4: 2,783,119 km (0.116 R)
• M5: 3,652,731 km (0.1 R)
• M6: 5,929,162 km (0.111 R)
• M7: 7,081,514 km (0.116 R)
• M8: 9,945,117 km (0.109 R)
• M9: 12,511,768 km (0.103 R)
• M10: 13,121,379 km (0.113 R)
• M11: 14,248,449 km (0.091 R)
• M12: 14,758,129 km (0.118 R)
• M13: 20,418,613 km (0.062 R)
• M14: 23,235,242 km (0.047 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 22.7

Radius: 7.4

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 4.75 AU - 6.79 AU

Year: 9401 Days

Day: 19.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 14,774,582 km

• M1: 92,152 km (0.061 R)
• M2: 341,233 km (0.078 R)
• M3: 1,133,802 km (0.079 R)
• M4: 1,558,810 km (0.104 R)
• M5: 1,851,274 km (0.043 R)
• M6: 2,168,421 km (0.088 R)
• M7: 2,684,384 km (0.086 R)
• M8: 4,429,443 km (0.076 R)
• M9: 6,090,129 km (0.109 R)
• M10: 10,063,748 km (0.095 R)
• M11: 13,327,375 km (0.041 R)
• M12: 13,826,733 km (0.088 R)
• M13: 14,166,470 km (0.082 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 217 - 12,699 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit