🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 39.9

Radius: 14.9

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.79 AU - 1.01 AU

Year: 569 Days

Day: 5.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 37,608,329 km

• M1: 185,352 km (0.114 R)
• M2: 733,778 km (0.048 R)
• M3: 1,232,986 km (0.058 R)
• M4: 1,810,882 km (0.114 R)
• M5: 2,681,243 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 859.9

Radius: 10.6

Gravity: 7.65 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.24 AU - 1.74 AU

Year: 1213 Days

Day: 6.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 37,608,329 km

• M1: 138,079 km (0.098 R)
• M2: 498,161 km (0.071 R)
• M3: 830,717 km (0.086 R)
• M4: 1,312,871 km (0.082 R)
• M5: 1,727,407 km (0.056 R)
• M6: 2,172,610 km (0.115 R)
• M7: 3,433,870 km (0.062 R)
• M8: 3,785,724 km (0.051 R)
• M9: 4,358,983 km (0.073 R)
• M10: 4,714,726 km (0.103 R)
• M11: 6,058,714 km (0.11 R)
• M12: 6,431,512 km (0.09 R)
• M13: 6,770,201 km (0.076 R)
• M14: 8,705,100 km (0.045 R)
• M15: 9,060,096 km (0.028 R)
• M16: 10,054,772 km (0.1 R)
• M17: 10,779,723 km (0.119 R)
• M18: 11,932,225 km (0.025 R)
• M19: 12,669,444 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 116.9

Radius: 12.9

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.92 AU - 2.84 AU

Year: 2448 Days

Day: 5.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 37,608,329 km

• M1: 160,369 km (0.102 R)
• M2: 626,516 km (0.1 R)
• M3: 1,729,351 km (0.063 R)
• M4: 2,373,370 km (0.039 R)
• M5: 3,159,806 km (0.08 R)
• M6: 3,765,678 km (0.1 R)
• M7: 4,711,286 km (0.11 R)
• M8: 8,669,945 km (0.092 R)
• M9: 10,011,239 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 472.5

Radius: 13.9

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 5.36 AU - 5.44 AU

Year: 8368 Days

Day: 10.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 37,608,329 km

• M1: 172,935 km (0.1 R)
• M2: 628,311 km (0.108 R)
• M3: 1,657,245 km (0.103 R)
• M4: 2,641,300 km (0.075 R)
• M5: 3,840,477 km (0.072 R)
• M6: 4,880,481 km (0.03 R)
• M7: 5,589,874 km (0.108 R)
• M8: 7,979,251 km (0.106 R)
• M9: 8,965,849 km (0.118 R)
• M10: 9,622,883 km (0.101 R)
• M11: 14,916,104 km (0.091 R)
• M12: 18,560,009 km (0.048 R)
• M13: 19,994,055 km (0.091 R)
• M14: 22,679,486 km (0.09 R)
• M15: 23,325,599 km (0.107 R)
• M16: 25,858,441 km (0.092 R)
• M17: 28,290,304 km (0.079 R)
• M18: 29,418,571 km (0.029 R)
• M19: 33,086,860 km (0.111 R)
• M20: 34,128,361 km (0.092 R)
• M21: 37,272,459 km (0.08 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 427 - 19,254 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit