🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.66

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.55 AU - 0.65 AU

Year: 300 Days

Day: 17.1 Hours

Environment

Temp: -129 °C

Axial Tilt: 25.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 350.7

Radius: 10

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.67 AU - 1.09 AU

Year: 533 Days

Day: 11.1 Hours

Environment

Temp: -146 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 13,297,418 km

• M1: 124,316 km (0.095 R)
• M2: 456,423 km (0.098 R)
• M3: 836,551 km (0.102 R)
• M4: 1,170,454 km (0.09 R)
• M5: 1,561,652 km (0.048 R)
• M6: 2,055,924 km (0.092 R)
• M7: 2,528,204 km (0.091 R)
• M8: 3,360,267 km (0.112 R)
• M9: 3,752,962 km (0.061 R)
• M10: 4,269,972 km (0.111 R)
• M11: 4,674,036 km (0.052 R)
• M12: 5,351,714 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 98.7

Radius: 9.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.51 AU - 2.03 AU

Year: 1520 Days

Day: 8.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 13,297,418 km

• M1: 115,639 km (0.062 R)
• M2: 469,588 km (0.079 R)
• M3: 1,123,181 km (0.108 R)
• M4: 1,569,431 km (0.091 R)
• M5: 2,122,046 km (0.106 R)
• M6: 2,744,373 km (0.105 R)
• M7: 3,406,792 km (0.108 R)
• M8: 3,748,773 km (0.112 R)
• M9: 5,267,042 km (0.042 R)
• M10: 5,928,115 km (0.09 R)
• M11: 6,385,735 km (0.049 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 425

Radius: 14.3

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.4 AU - 2.34 AU

Year: 1651 Days

Day: 10.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 13,297,418 km

• M1: 178,021 km (0.089 R)
• M2: 650,302 km (0.078 R)
• M3: 1,162,226 km (0.097 R)
• M4: 2,045,152 km (0.113 R)
• M5: 2,823,361 km (0.109 R)
• M6: 3,356,677 km (0.11 R)
• M7: 3,824,918 km (0.036 R)
• M8: 4,741,804 km (0.115 R)
• M9: 5,355,305 km (0.099 R)
• M10: 5,932,453 km (0.034 R)
• M11: 6,815,081 km (0.089 R)
• M12: 7,730,470 km (0.119 R)
• M13: 8,583,178 km (0.119 R)
• M14: 9,775,174 km (0.06 R)
• M15: 10,640,448 km (0.108 R)
• M16: 11,944,044 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 20.3

Radius: 8.5

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 5.3 AU - 5.84 AU

Year: 8488 Days

Day: 12.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 13,297,418 km

• M1: 109,805 km (0.082 R)
• M2: 383,120 km (0.091 R)
• M3: 900,280 km (0.076 R)
• M4: 4,364,368 km (0.119 R)
• M5: 7,012,999 km (0.104 R)
• M6: 12,828,167 km (0.048 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 491 - 16,747 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit