🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 861.7

Radius: 10.3

Gravity: 8.12 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.92 AU - 1.18 AU

Year: 717 Days

Day: 5.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 29,059,223 km

• M1: 130,001 km (0.111 R)
• M2: 566,976 km (0.108 R)
• M3: 919,877 km (0.116 R)
• M4: 1,269,039 km (0.065 R)
• M5: 1,658,143 km (0.092 R)
• M6: 2,117,109 km (0.106 R)
• M7: 2,447,421 km (0.113 R)
• M8: 2,788,504 km (0.101 R)
• M9: 3,226,976 km (0.118 R)
• M10: 3,653,330 km (0.074 R)
• M11: 4,179,914 km (0.111 R)
• M12: 4,519,651 km (0.099 R)
• M13: 5,090,965 km (0.043 R)
• M14: 5,536,318 km (0.073 R)
• M15: 6,129,324 km (0.071 R)
• M16: 7,120,410 km (0.044 R)
• M17: 7,654,624 km (0.104 R)
• M18: 8,416,526 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378.5

Radius: 10.4

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.94 AU - 2.12 AU

Year: 1929 Days

Day: 9.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 29,059,223 km

• M1: 130,300 km (0.113 R)
• M2: 483,949 km (0.055 R)
• M3: 814,860 km (0.102 R)
• M4: 1,640,191 km (0.062 R)
• M5: 2,021,366 km (0.052 R)
• M6: 2,499,182 km (0.081 R)
• M7: 3,303,420 km (0.066 R)
• M8: 3,699,705 km (0.098 R)
• M9: 4,418,822 km (0.096 R)
• M10: 4,921,471 km (0.062 R)
• M11: 5,419,033 km (0.082 R)
• M12: 6,637,209 km (0.104 R)
• M13: 7,141,503 km (0.074 R)
• M14: 9,325,482 km (0.039 R)
• M15: 10,154,255 km (0.073 R)
• M16: 10,654,360 km (0.03 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 470

Radius: 12.3

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 4.91 AU - 5.47 AU

Year: 7885 Days

Day: 13.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 107.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 29,059,223 km

• M1: 153,039 km (0.041 R)
• M2: 551,418 km (0.093 R)
• M3: 1,244,205 km (0.071 R)
• M4: 1,706,613 km (0.095 R)
• M5: 2,930,622 km (0.116 R)
• M6: 3,361,913 km (0.118 R)
• M7: 5,501,910 km (0.096 R)
• M8: 6,806,703 km (0.09 R)
• M9: 7,309,202 km (0.105 R)
• M10: 8,429,092 km (0.12 R)
• M11: 8,840,785 km (0.05 R)
• M12: 9,265,793 km (0.1 R)
• M13: 10,718,987 km (0.089 R)
• M14: 13,844,685 km (0.08 R)
• M15: 14,949,614 km (0.071 R)
• M16: 15,493,103 km (0.077 R)
• M17: 27,857,667 km (0.059 R)
• M18: 28,866,555 km (0.062 R)
• M19: 30,377,493 km (0.079 R)
• M20: 31,544,955 km (0.114 R)
• M21: 34,698,777 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 242.7

Radius: 12.9

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 4.26 AU - 6.16 AU

Year: 7930 Days

Day: 6.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 29,059,223 km

• M1: 160,818 km (0.089 R)
• M2: 940,671 km (0.091 R)
• M3: 2,080,158 km (0.059 R)
• M4: 4,318,292 km (0.112 R)
• M5: 5,317,456 km (0.07 R)
• M6: 8,697,321 km (0.081 R)
• M7: 11,823,468 km (0.102 R)
• M8: 12,647,004 km (0.096 R)
• M9: 17,045,331 km (0.038 R)
• M10: 20,739,950 km (0.09 R)
• M11: 21,297,950 km (0.079 R)
• M12: 24,781,336 km (0.114 R)
• M13: 27,862,454 km (0.048 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 542 - 17,497 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit