🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 213.4

Radius: 11.6

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.71 AU - 0.75 AU

Year: 409 Days

Day: 10.2 Hours

Environment

Temp: -144 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 10,494,014 km

• M1: 144,212 km (0.108 R)
• M2: 591,959 km (0.108 R)
• M3: 1,131,558 km (0.043 R)
• M4: 3,189,875 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 338.8

Radius: 8.4

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 1.18 AU - 1.92 AU

Year: 1266 Days

Day: 14.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 10,494,014 km

• M1: 104,419 km (0.092 R)
• M2: 825,032 km (0.098 R)
• M3: 1,156,392 km (0.1 R)
• M4: 1,643,033 km (0.065 R)
• M5: 2,045,751 km (0.034 R)
• M6: 2,559,171 km (0.064 R)
• M7: 3,063,615 km (0.117 R)
• M8: 3,796,794 km (0.114 R)
• M9: 5,146,616 km (0.118 R)
• M10: 6,768,256 km (0.078 R)
• M11: 8,389,299 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 554.6

Radius: 14.6

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.37 AU - 1.89 AU

Year: 1365 Days

Day: 9.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 10,494,014 km

• M1: 181,612 km (0.114 R)
• M2: 753,375 km (0.093 R)
• M3: 1,280,259 km (0.08 R)
• M4: 2,175,452 km (0.105 R)
• M5: 3,097,873 km (0.061 R)
• M6: 3,946,691 km (0.072 R)
• M7: 4,498,558 km (0.114 R)
• M8: 7,730,171 km (0.118 R)
• M9: 8,459,311 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 852.1

Radius: 14.6

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.85 AU - 2.67 AU

Year: 2229 Days

Day: 5.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 10,494,014 km

• M1: 182,659 km (0.105 R)
• M2: 855,999 km (0.106 R)
• M3: 1,329,476 km (0.115 R)
• M4: 1,813,276 km (0.102 R)
• M5: 2,790,299 km (0.11 R)
• M6: 3,513,156 km (0.084 R)
• M7: 5,383,579 km (0.037 R)
• M8: 8,420,565 km (0.039 R)
• M9: 9,122,628 km (0.063 R)
• M10: 10,379,250 km (0.037 R)
• M11: 12,498,304 km (0.082 R)
• M12: 13,323,934 km (0.064 R)
• M13: 16,121,415 km (0.074 R)
• M14: 17,364,274 km (0.09 R)
• M15: 18,227,753 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 71.4

Radius: 8

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 2.65 AU - 3.07 AU

Year: 3173 Days

Day: 14.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 10,494,014 km

• M1: 99,632 km (0.116 R)
• M2: 397,332 km (0.098 R)
• M3: 1,178,682 km (0.059 R)
• M4: 1,700,180 km (0.074 R)
• M5: 2,875,720 km (0.046 R)
• M6: 3,741,742 km (0.069 R)
• M7: 4,572,908 km (0.111 R)
• M8: 5,582,693 km (0.091 R)
• M9: 8,219,954 km (0.117 R)
• M10: 8,899,428 km (0.042 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 315 - 19,343 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit