🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 238.8

Radius: 14.8

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.47 AU - 0.77 AU

Year: 326 Days

Day: 12 Hours

Environment

Temp: -154 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 21,273,047 km

• M1: 184,005 km (0.099 R)
• M2: 740,509 km (0.103 R)
• M3: 1,212,192 km (0.11 R)
• M4: 1,813,575 km (0.104 R)
• M5: 2,827,998 km (0.118 R)
• M6: 3,295,192 km (0.049 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 338.7

Radius: 13.9

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 2.33 AU - 3.61 AU

Year: 3413 Days

Day: 11.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 21,273,047 km

• M1: 177,423 km (0.118 R)
• M2: 663,018 km (0.115 R)
• M3: 1,252,433 km (0.108 R)
• M4: 1,703,321 km (0.092 R)
• M5: 2,981,186 km (0.053 R)
• M6: 3,939,361 km (0.083 R)
• M7: 5,025,591 km (0.107 R)
• M8: 5,812,924 km (0.036 R)
• M9: 7,574,140 km (0.088 R)
• M10: 8,383,165 km (0.059 R)
• M11: 9,010,280 km (0.115 R)
• M12: 9,633,056 km (0.118 R)
• M13: 11,316,481 km (0.109 R)
• M14: 11,878,221 km (0.103 R)
• M15: 13,145,015 km (0.096 R)
• M16: 14,593,422 km (0.093 R)
• M17: 17,014,215 km (0.104 R)
• M18: 17,539,303 km (0.115 R)
• M19: 18,183,771 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 766.8

Radius: 11.1

Gravity: 6.22 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 3.7 AU - 4 AU

Year: 5038 Days

Day: 14.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 21,273,047 km

• M1: 138,528 km (0.115 R)
• M2: 616,493 km (0.102 R)
• M3: 1,156,392 km (0.067 R)
• M4: 2,056,821 km (0.066 R)
• M5: 2,702,635 km (0.116 R)
• M6: 3,073,638 km (0.104 R)
• M7: 5,216,478 km (0.027 R)
• M8: 6,581,110 km (0.109 R)
• M9: 6,982,331 km (0.1 R)
• M10: 10,265,705 km (0.09 R)
• M11: 10,760,724 km (0.071 R)
• M12: 17,562,192 km (0.085 R)
• M13: 18,533,680 km (0.093 R)
• M14: 19,677,506 km (0.071 R)
• M15: 21,516,961 km (0.035 R)
• M16: 22,553,674 km (0.091 R)
• M17: 23,008,003 km (0.08 R)
• M18: 23,935,061 km (0.067 R)
• M19: 29,484,394 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 185.7

Radius: 11.4

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 3.57 AU - 4.77 AU

Year: 5679 Days

Day: 11 Hours

Environment

Temp: -222 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 21,273,047 km

• M1: 141,819 km (0.073 R)
• M2: 526,136 km (0.048 R)
• M3: 880,683 km (0.053 R)
• M4: 1,641,238 km (0.107 R)
• M5: 2,280,171 km (0.113 R)
• M6: 2,977,895 km (0.083 R)
• M7: 3,506,275 km (0.026 R)
• M8: 4,034,505 km (0.036 R)
• M9: 5,202,416 km (0.07 R)
• M10: 6,554,332 km (0.064 R)
• M11: 7,023,470 km (0.109 R)
• M12: 7,514,750 km (0.1 R)
• M13: 12,093,791 km (0.107 R)
• M14: 12,801,090 km (0.106 R)
• M15: 13,442,266 km (0.065 R)
• M16: 13,865,778 km (0.107 R)
• M17: 15,342,010 km (0.109 R)
• M18: 17,193,732 km (0.057 R)
• M19: 18,954,499 km (0.057 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 180 - 16,765 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit