🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 178.7

Radius: 12.6

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.8 AU - 0.98 AU

Year: 551 Days

Day: 11.9 Hours

Environment

Temp: -155 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 36,452,224 km

• M1: 156,629 km (0.075 R)
• M2: 626,815 km (0.115 R)
• M3: 1,039,556 km (0.103 R)
• M4: 1,946,717 km (0.104 R)
• M5: 2,774,143 km (0.043 R)
• M6: 3,285,169 km (0.11 R)
• M7: 4,306,773 km (0.059 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 857.9

Radius: 11.9

Gravity: 6.06 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.98 AU - 1.36 AU

Year: 830 Days

Day: 10 Hours

Environment

Temp: -158 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 36,452,224 km

• M1: 148,102 km (0.113 R)
• M2: 592,408 km (0.119 R)
• M3: 1,090,718 km (0.099 R)
• M4: 1,664,576 km (0.093 R)
• M5: 2,445,028 km (0.089 R)
• M6: 2,857,020 km (0.095 R)
• M7: 3,541,580 km (0.06 R)
• M8: 3,993,515 km (0.11 R)
• M9: 4,832,909 km (0.091 R)
• M10: 5,645,674 km (0.092 R)
• M11: 7,302,770 km (0.086 R)
• M12: 7,912,830 km (0.088 R)
• M13: 8,295,052 km (0.046 R)
• M14: 9,832,769 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 437.2

Radius: 9.6

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.21 AU - 1.23 AU

Year: 884 Days

Day: 12.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 36,452,224 km

• M1: 119,379 km (0.094 R)
• M2: 598,092 km (0.075 R)
• M3: 936,034 km (0.094 R)
• M4: 1,267,244 km (0.103 R)
• M5: 1,969,306 km (0.029 R)
• M6: 2,782,072 km (0.088 R)
• M7: 3,081,716 km (0.117 R)
• M8: 3,496,850 km (0.086 R)
• M9: 3,890,442 km (0.087 R)
• M10: 4,189,638 km (0.118 R)
• M11: 5,023,197 km (0.043 R)
• M12: 5,600,346 km (0.093 R)
• M13: 6,140,993 km (0.06 R)
• M14: 6,779,626 km (0.066 R)
• M15: 7,082,412 km (0.077 R)
• M16: 7,973,716 km (0.055 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 392.3

Radius: 12.2

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 5.33 AU - 5.93 AU

Year: 8763 Days

Day: 10.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 36,452,224 km

• M1: 152,141 km (0.049 R)
• M2: 548,875 km (0.053 R)
• M3: 1,243,607 km (0.113 R)
• M4: 1,859,502 km (0.082 R)
• M5: 2,255,786 km (0.039 R)
• M6: 3,058,080 km (0.044 R)
• M7: 3,754,607 km (0.081 R)
• M8: 5,586,732 km (0.088 R)
• M9: 6,526,656 km (0.11 R)
• M10: 7,645,050 km (0.054 R)
• M11: 9,937,787 km (0.074 R)
• M12: 11,020,726 km (0.114 R)
• M13: 12,128,647 km (0.062 R)
• M14: 13,757,319 km (0.099 R)
• M15: 15,041,168 km (0.092 R)
• M16: 15,774,347 km (0.084 R)
• M17: 16,531,163 km (0.089 R)
• M18: 22,920,189 km (0.026 R)
• M19: 23,645,888 km (0.084 R)
• M20: 26,791,632 km (0.04 R)
• M21: 27,597,067 km (0.074 R)
• M22: 30,980,971 km (0.108 R)
• M23: 32,570,149 km (0.087 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 531 - 11,500 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit