🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.79 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 488

Radius: 14.6

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.4 AU - 1.74 AU

Year: 1291 Days

Day: 13.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 31,448,565 km

• M1: 181,612 km (0.104 R)
• M2: 704,307 km (0.062 R)
• M3: 1,167,761 km (0.047 R)
• M4: 1,693,149 km (0.086 R)
• M5: 2,457,594 km (0.103 R)
• M6: 3,106,849 km (0.055 R)
• M7: 3,790,660 km (0.074 R)
• M8: 4,278,499 km (0.037 R)
• M9: 4,957,075 km (0.089 R)
• M10: 5,916,147 km (0.083 R)
• M11: 6,508,255 km (0.096 R)
• M12: 7,261,032 km (0.095 R)
• M13: 7,914,924 km (0.113 R)
• M14: 8,444,351 km (0.074 R)
• M15: 9,196,828 km (0.118 R)
• M16: 10,146,027 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 476.5

Radius: 8.2

Gravity: 7.09 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 2.08 AU - 2.34 AU

Year: 2155 Days

Day: 14.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 31,448,565 km

• M1: 102,325 km (0.053 R)
• M2: 371,601 km (0.096 R)
• M3: 703,260 km (0.032 R)
• M4: 1,116,898 km (0.098 R)
• M5: 1,768,696 km (0.036 R)
• M6: 2,161,390 km (0.038 R)
• M7: 2,529,999 km (0.055 R)
• M8: 3,045,663 km (0.077 R)
• M9: 3,698,807 km (0.048 R)
• M10: 4,152,388 km (0.092 R)
• M11: 5,575,662 km (0.051 R)
• M12: 6,525,310 km (0.095 R)
• M13: 12,379,074 km (0.114 R)
• M14: 12,778,501 km (0.107 R)
• M15: 13,352,059 km (0.061 R)
• M16: 15,085,898 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 713.9

Radius: 11.3

Gravity: 5.59 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 2.36 AU - 2.48 AU

Year: 2470 Days

Day: 12.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 31,448,565 km

• M1: 140,472 km (0.11 R)
• M2: 575,503 km (0.102 R)
• M3: 1,207,404 km (0.114 R)
• M4: 1,941,032 km (0.05 R)
• M5: 3,884,010 km (0.105 R)
• M6: 4,408,350 km (0.075 R)
• M7: 5,212,289 km (0.118 R)
• M8: 6,058,714 km (0.056 R)
• M9: 6,822,710 km (0.078 R)
• M10: 7,346,901 km (0.114 R)
• M11: 7,835,338 km (0.049 R)
• M12: 9,753,931 km (0.031 R)
• M13: 10,880,852 km (0.097 R)
• M14: 15,912,426 km (0.089 R)
• M15: 16,627,803 km (0.098 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 64.2

Radius: 6.2

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 8.66 AU - 9.1 AU

Year: 17359 Days

Day: 17.7 Hours

Environment

Temp: -238 °C

Axial Tilt: 147.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 31,448,565 km

• M1: 236,664 km (0.05 R)
• M2: 494,720 km (0.12 R)
• M3: 773,122 km (0.057 R)
• M4: 1,938,040 km (0.077 R)
• M5: 3,503,283 km (0.073 R)
• M6: 4,238,556 km (0.115 R)
• M7: 6,585,897 km (0.087 R)
• M8: 13,848,424 km (0.081 R)
• M9: 14,066,987 km (0.088 R)
• M10: 14,455,044 km (0.106 R)
• M11: 23,562,263 km (0.103 R)
• M12: 25,067,517 km (0.082 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 344 - 15,365 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit