🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 332.9

Radius: 12.1

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.83 AU - 1.05 AU

Year: 579 Days

Day: 5.9 Hours

Environment

Temp: -150 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 19,017,273 km

• M1: 150,495 km (0.07 R)
• M2: 572,062 km (0.109 R)
• M3: 1,109,867 km (0.093 R)
• M4: 1,679,834 km (0.069 R)
• M5: 2,226,316 km (0.088 R)
• M6: 2,848,343 km (0.033 R)
• M7: 3,336,781 km (0.113 R)
• M8: 3,970,627 km (0.098 R)
• M9: 4,727,143 km (0.07 R)
• M10: 5,117,145 km (0.111 R)
• M11: 5,512,382 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 145.7

Radius: 13.9

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.33 AU - 1.81 AU

Year: 1251 Days

Day: 6 Hours

Environment

Temp: -188 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 19,017,273 km

• M1: 172,935 km (0.116 R)
• M2: 708,944 km (0.073 R)
• M3: 1,149,061 km (0.053 R)
• M4: 1,666,221 km (0.074 R)
• M5: 2,368,583 km (0.063 R)
• M6: 3,274,847 km (0.105 R)
• M7: 4,803,139 km (0.101 R)
• M8: 5,592,866 km (0.115 R)
• M9: 7,093,482 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 69.7

Radius: 10.2

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.83 AU - 2.57 AU

Year: 2075 Days

Day: 10.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 19,017,273 km

• M1: 127,009 km (0.1 R)
• M2: 731,833 km (0.113 R)
• M3: 2,121,148 km (0.059 R)
• M4: 3,178,057 km (0.068 R)
• M5: 3,774,354 km (0.113 R)
• M6: 4,798,651 km (0.101 R)
• M7: 5,120,586 km (0.078 R)
• M8: 6,721,283 km (0.117 R)
• M9: 7,168,730 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 126.9

Radius: 12.8

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 2.07 AU - 2.59 AU

Year: 2261 Days

Day: 14.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 19,017,273 km

• M1: 159,172 km (0.053 R)
• M2: 760,556 km (0.116 R)
• M3: 1,277,117 km (0.039 R)
• M4: 1,748,650 km (0.054 R)
• M5: 2,262,069 km (0.034 R)
• M6: 2,763,970 km (0.093 R)
• M7: 4,524,288 km (0.115 R)
• M8: 5,270,483 km (0.068 R)
• M9: 6,642,893 km (0.108 R)
• M10: 7,364,254 km (0.107 R)
• M11: 8,936,528 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380.4

Radius: 15

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 2.58 AU - 3.48 AU

Year: 3353 Days

Day: 10.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 19,017,273 km

• M1: 186,698 km (0.1 R)
• M2: 710,440 km (0.106 R)
• M3: 1,329,476 km (0.106 R)
• M4: 1,913,955 km (0.102 R)
• M5: 2,470,459 km (0.107 R)
• M6: 2,942,740 km (0.115 R)
• M7: 4,439,766 km (0.11 R)
• M8: 5,192,692 km (0.119 R)
• M9: 5,749,345 km (0.108 R)
• M10: 10,193,898 km (0.119 R)
• M11: 15,927,087 km (0.101 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 485 - 11,663 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit