🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.5

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.69 AU - 0.73 AU

Year: 225 Days

Day: 43.4 Hours

Environment

Temp: 172 °C

Axial Tilt: 30 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.32

Radius: 1.12

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.83 AU - 1.03 AU

Year: 338 Days

Day: 14.2 Hours

Environment

Temp: 19 °C

Axial Tilt: 1.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.07

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 3.21 AU - 3.59 AU

Year: 2362 Days

Day: 28.1 Hours

Environment

Temp: -130 °C

Axial Tilt: 20.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 51,028,944 km

• M1: 323,730 km (0.063 R)

Planet 4 - Gas Giant

Semi-Major Axis: 8.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 992.9

Radius: 14.4

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 6.81 AU - 9.85 AU

Year: 9057 Days

Day: 14.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 51,028,944 km

• M1: 179,218 km (0.097 R)
• M2: 674,986 km (0.102 R)
• M3: 1,313,918 km (0.09 R)
• M4: 3,111,935 km (0.108 R)
• M5: 4,977,121 km (0.09 R)
• M6: 6,580,511 km (0.1 R)
• M7: 7,627,547 km (0.098 R)
• M8: 9,950,353 km (0.084 R)
• M9: 12,064,769 km (0.034 R)
• M10: 12,771,769 km (0.097 R)
• M11: 14,726,863 km (0.108 R)
• M12: 15,262,424 km (0.04 R)
• M13: 15,880,263 km (0.09 R)
• M14: 16,947,195 km (0.113 R)
• M15: 23,370,628 km (0.052 R)
• M16: 24,938,713 km (0.095 R)
• M17: 29,112,643 km (0.116 R)
• M18: 30,493,581 km (0.063 R)
• M19: 33,846,518 km (0.085 R)
• M20: 35,731,751 km (0.079 R)
• M21: 37,314,346 km (0.072 R)
• M22: 46,935,734 km (0.111 R)
• M23: 48,097,361 km (0.111 R)
• M24: 48,981,036 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 11.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 413.4

Radius: 8.4

Gravity: 5.86 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 10.84 AU - 11.58 AU

Year: 14140 Days

Day: 8.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 51,028,944 km

• M1: 104,419 km (0.031 R)
• M2: 377,435 km (0.109 R)
• M3: 748,588 km (0.092 R)
• M4: 1,521,111 km (0.087 R)
• M5: 1,901,539 km (0.093 R)
• M6: 2,460,586 km (0.052 R)
• M7: 3,850,500 km (0.111 R)
• M8: 4,125,161 km (0.03 R)
• M9: 4,501,849 km (0.069 R)
• M10: 5,126,121 km (0.089 R)
• M11: 5,771,635 km (0.06 R)
• M12: 6,356,114 km (0.058 R)
• M13: 8,078,734 km (0.074 R)
• M14: 10,616,512 km (0.104 R)
• M15: 11,269,956 km (0.065 R)
• M16: 11,663,398 km (0.04 R)
• M17: 12,359,028 km (0.114 R)
• M18: 15,420,698 km (0.052 R)
• M19: 23,353,125 km (0.074 R)
• M20: 28,907,844 km (0.064 R)
• M21: 30,179,874 km (0.08 R)
• M22: 31,048,440 km (0.083 R)
• M23: 35,402,934 km (0.105 R)
• M24: 40,933,867 km (0.105 R)
• M25: 45,300,180 km (0.112 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 322 - 12,546 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit