🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.65

Radius: 0.84

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.52 AU - 0.6 AU

Year: 271 Days

Day: 36.7 Hours

Environment

Temp: -124 °C

Axial Tilt: 39.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.5

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.54 AU - 0.74 AU

Year: 331 Days

Day: 47.8 Hours

Environment

Temp: -129 °C

Axial Tilt: 36.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 9,614,218 km

• M1: 92,003 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 32.1

Radius: 9.5

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.65 AU - 0.71 AU

Year: 362 Days

Day: 9.5 Hours

Environment

Temp: -135 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 9,614,218 km

• M1: 118,182 km (0.119 R)
• M2: 1,019,210 km (0.104 R)
• M3: 1,423,723 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 805.9

Radius: 11.1

Gravity: 6.54 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.37 AU - 1.77 AU

Year: 1270 Days

Day: 13.6 Hours

Environment

Temp: -170 °C

Axial Tilt: 116.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 9,614,218 km

• M1: 138,079 km (0.116 R)
• M2: 1,022,651 km (0.099 R)
• M3: 1,589,926 km (0.105 R)
• M4: 1,978,731 km (0.094 R)
• M5: 2,529,999 km (0.082 R)
• M6: 3,065,709 km (0.112 R)
• M7: 3,708,681 km (0.06 R)
• M8: 4,097,486 km (0.08 R)
• M9: 5,160,229 km (0.095 R)
• M10: 5,559,805 km (0.08 R)
• M11: 7,661,505 km (0.114 R)
• M12: 8,409,495 km (0.097 R)
• M13: 8,964,652 km (0.099 R)
• M14: 9,513,078 km (0.094 R)
• M15: 9,987,004 km (0.093 R)
• M16: 11,610,440 km (0.102 R)
• M17: 12,597,337 km (0.053 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 243.2

Radius: 10.4

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.61 AU - 1.91 AU

Year: 1508 Days

Day: 13.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 9,614,218 km

• M1: 129,402 km (0.083 R)
• M2: 470,186 km (0.041 R)
• M3: 904,618 km (0.099 R)
• M4: 1,525,449 km (0.092 R)
• M5: 1,876,705 km (0.099 R)
• M6: 2,843,856 km (0.074 R)
• M7: 3,424,594 km (0.047 R)
• M8: 3,803,975 km (0.101 R)
• M9: 5,852,119 km (0.106 R)
• M10: 6,483,422 km (0.111 R)
• M11: 7,113,229 km (0.107 R)
• M12: 7,982,243 km (0.114 R)
• M13: 9,557,359 km (0.083 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 342 - 13,866 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit