🌌 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: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 838.8

Radius: 9.4

Gravity: 9.49 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.79 AU - 1.19 AU

Year: 657 Days

Day: 13.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 36,413,791 km

• M1: 116,836 km (0.061 R)
• M2: 426,354 km (0.115 R)
• M3: 822,938 km (0.098 R)
• M4: 1,215,333 km (0.118 R)
• M5: 1,625,381 km (0.025 R)
• M6: 3,227,873 km (0.04 R)
• M7: 4,023,285 km (0.052 R)
• M8: 5,118,790 km (0.083 R)
• M9: 5,556,215 km (0.119 R)
• M10: 5,939,484 km (0.084 R)
• M11: 7,583,266 km (0.064 R)
• M12: 8,274,707 km (0.04 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 695.8

Radius: 13.9

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.88 AU - 2 AU

Year: 1802 Days

Day: 12.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 36,413,791 km

• M1: 176,675 km (0.114 R)
• M2: 625,618 km (0.1 R)
• M3: 1,567,038 km (0.116 R)
• M4: 2,141,942 km (0.103 R)
• M5: 3,062,268 km (0.101 R)
• M6: 4,602,229 km (0.12 R)
• M7: 6,432,110 km (0.112 R)
• M8: 7,220,341 km (0.083 R)
• M9: 8,042,531 km (0.108 R)
• M10: 9,278,060 km (0.103 R)
• M11: 11,815,988 km (0.113 R)
• M12: 12,477,061 km (0.068 R)
• M13: 13,162,817 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322.3

Radius: 12.9

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 3.48 AU - 4.34 AU

Year: 5156 Days

Day: 14.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 36,413,791 km

• M1: 165,904 km (0.069 R)
• M2: 598,541 km (0.119 R)
• M3: 1,031,777 km (0.106 R)
• M4: 1,899,444 km (0.097 R)
• M5: 4,546,878 km (0.078 R)
• M6: 5,001,057 km (0.103 R)
• M7: 6,579,464 km (0.114 R)
• M8: 8,754,767 km (0.091 R)
• M9: 9,537,762 km (0.09 R)
• M10: 12,767,580 km (0.09 R)
• M11: 16,166,443 km (0.072 R)
• M12: 17,634,298 km (0.083 R)
• M13: 19,748,415 km (0.058 R)
• M14: 21,292,415 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419.5

Radius: 10.6

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 4.24 AU - 6.64 AU

Year: 8461 Days

Day: 5.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 36,413,791 km

• M1: 132,095 km (0.113 R)
• M2: 497,413 km (0.119 R)
• M3: 1,091,915 km (0.089 R)
• M4: 1,782,608 km (0.105 R)
• M5: 2,154,359 km (0.095 R)
• M6: 3,036,687 km (0.03 R)
• M7: 3,594,687 km (0.091 R)
• M8: 4,532,367 km (0.1 R)
• M9: 6,401,592 km (0.077 R)
• M10: 7,813,048 km (0.091 R)
• M11: 9,160,925 km (0.117 R)
• M12: 9,642,929 km (0.107 R)
• M13: 10,095,762 km (0.118 R)
• M14: 11,092,981 km (0.099 R)
• M15: 11,947,484 km (0.081 R)
• M16: 14,715,195 km (0.055 R)
• M17: 15,194,656 km (0.075 R)
• M18: 18,569,284 km (0.111 R)
• M19: 19,845,205 km (0.046 R)
• M20: 23,128,728 km (0.085 R)
• M21: 29,315,498 km (0.055 R)
• M22: 31,534,782 km (0.035 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 305 - 19,665 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit