🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 568.8

Radius: 11.4

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.9 AU - 1.12 AU

Year: 655 Days

Day: 6.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 15,559,587 km

• M1: 142,118 km (0.058 R)
• M2: 502,649 km (0.118 R)
• M3: 946,057 km (0.113 R)
• M4: 1,343,239 km (0.073 R)
• M5: 1,708,557 km (0.107 R)
• M6: 2,150,769 km (0.036 R)
• M7: 2,844,753 km (0.094 R)
• M8: 3,282,028 km (0.117 R)
• M9: 3,944,297 km (0.057 R)
• M10: 5,918,541 km (0.1 R)
• M11: 6,696,449 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 61.9

Radius: 8.6

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.95 AU - 1.25 AU

Year: 745 Days

Day: 9.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 15,559,587 km

• M1: 116,686 km (0.106 R)
• M2: 405,410 km (0.089 R)
• M3: 934,687 km (0.091 R)
• M4: 1,349,373 km (0.083 R)
• M5: 1,856,510 km (0.111 R)
• M6: 2,371,874 km (0.116 R)
• M7: 3,537,391 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 976.7

Radius: 12.5

Gravity: 6.25 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.45 AU - 2.37 AU

Year: 1704 Days

Day: 11.4 Hours

Environment

Temp: -180 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 15,559,587 km

• M1: 155,432 km (0.075 R)
• M2: 581,487 km (0.089 R)
• M3: 1,183,469 km (0.09 R)
• M4: 2,601,357 km (0.115 R)
• M5: 3,668,738 km (0.094 R)
• M6: 4,263,539 km (0.104 R)
• M7: 4,709,042 km (0.1 R)
• M8: 5,118,790 km (0.092 R)
• M9: 6,211,154 km (0.049 R)
• M10: 6,625,690 km (0.115 R)
• M11: 9,247,093 km (0.093 R)
• M12: 9,651,606 km (0.079 R)
• M13: 10,641,645 km (0.109 R)
• M14: 11,698,404 km (0.116 R)
• M15: 12,576,693 km (0.083 R)
• M16: 13,285,189 km (0.091 R)
• M17: 14,375,159 km (0.056 R)
• M18: 15,149,776 km (0.118 R)
• M19: 16,437,066 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381.8

Radius: 11.3

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.92 AU - 2.96 AU

Year: 2461 Days

Day: 13.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 15,559,587 km

• M1: 141,071 km (0.079 R)
• M2: 526,585 km (0.1 R)
• M3: 886,966 km (0.106 R)
• M4: 1,576,911 km (0.073 R)
• M5: 2,530,897 km (0.085 R)
• M6: 3,456,309 km (0.113 R)
• M7: 4,052,457 km (0.119 R)
• M8: 4,454,277 km (0.098 R)
• M9: 7,623,059 km (0.119 R)
• M10: 8,822,983 km (0.085 R)
• M11: 9,402,376 km (0.094 R)
• M12: 10,214,094 km (0.117 R)
• M13: 11,145,640 km (0.115 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 20

Radius: 7.6

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 5.45 AU - 7.65 AU

Year: 10824 Days

Day: 21.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 15,559,587 km

• M1: 95,743 km (0.108 R)
• M2: 1,541,756 km (0.115 R)
• M3: 2,039,318 km (0.06 R)
• M4: 3,127,643 km (0.056 R)
• M5: 4,957,225 km (0.108 R)
• M6: 8,778,403 km (0.074 R)
• M7: 11,256,193 km (0.115 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 468 - 17,159 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit