🌌 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: 159.5

Radius: 11.6

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.61 AU - 0.85 AU

Year: 409 Days

Day: 14.3 Hours

Environment

Temp: -151 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 22,891,618 km

• M1: 144,512 km (0.117 R)
• M2: 690,693 km (0.105 R)
• M3: 1,167,611 km (0.081 R)
• M4: 1,623,885 km (0.08 R)
• M5: 2,134,163 km (0.064 R)
• M6: 2,775,639 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 672.7

Radius: 15

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.65 AU - 0.89 AU

Year: 443 Days

Day: 5.5 Hours

Environment

Temp: -149 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 22,891,618 km

• M1: 186,549 km (0.1 R)
• M2: 675,584 km (0.073 R)
• M3: 1,229,096 km (0.076 R)
• M4: 2,229,457 km (0.093 R)
• M5: 2,734,200 km (0.037 R)
• M6: 3,327,356 km (0.065 R)
• M7: 4,112,445 km (0.045 R)
• M8: 4,732,080 km (0.088 R)
• M9: 5,949,956 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 435

Radius: 8.2

Gravity: 6.47 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.07 AU - 1.37 AU

Year: 884 Days

Day: 12.2 Hours

Environment

Temp: -162 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 22,891,618 km

• M1: 102,624 km (0.093 R)
• M2: 359,184 km (0.111 R)
• M3: 704,456 km (0.067 R)
• M4: 994,826 km (0.107 R)
• M5: 1,263,653 km (0.067 R)
• M6: 1,863,391 km (0.066 R)
• M7: 2,651,921 km (0.06 R)
• M8: 3,426,988 km (0.059 R)
• M9: 4,282,538 km (0.119 R)
• M10: 5,436,985 km (0.118 R)
• M11: 5,717,331 km (0.085 R)
• M12: 6,533,537 km (0.087 R)
• M13: 7,425,290 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201.1

Radius: 10.3

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.16 AU - 1.7 AU

Year: 1122 Days

Day: 11.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 22,891,618 km

• M1: 129,851 km (0.102 R)
• M2: 534,064 km (0.056 R)
• M3: 995,275 km (0.078 R)
• M4: 1,373,009 km (0.083 R)
• M5: 2,072,978 km (0.088 R)
• M6: 2,437,996 km (0.053 R)
• M7: 4,291,813 km (0.118 R)
• M8: 4,727,592 km (0.118 R)
• M9: 5,107,421 km (0.119 R)
• M10: 6,794,586 km (0.08 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 42.1

Radius: 3.4

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 7.14 AU - 7.74 AU

Year: 13313 Days

Day: 19.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 161.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 22,891,618 km

• M1: 73,602 km (0.07 R)
• M2: 593,754 km (0.068 R)
• M3: 1,190,350 km (0.111 R)
• M4: 1,582,745 km (0.059 R)
• M5: 3,741,144 km (0.067 R)
• M6: 5,102,185 km (0.088 R)
• M7: 5,728,551 km (0.057 R)
• M8: 8,713,627 km (0.031 R)
• M9: 15,719,894 km (0.111 R)
• M10: 16,699,461 km (0.089 R)
• M11: 18,303,000 km (0.059 R)
• M12: 19,694,709 km (0.105 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: 443 - 16,230 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit