🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 81.1

Radius: 10.1

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.69 AU - 0.93 AU

Year: 512 Days

Day: 8.7 Hours

Environment

Temp: -165 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 21,073,784 km

• M1: 125,662 km (0.047 R)
• M2: 443,558 km (0.082 R)
• M3: 830,717 km (0.088 R)
• M4: 1,200,822 km (0.077 R)
• M5: 1,936,395 km (0.116 R)
• M6: 2,401,195 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 661.7

Radius: 14.7

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.81 AU - 1.07 AU

Year: 641 Days

Day: 6.3 Hours

Environment

Temp: -169 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 21,073,784 km

• M1: 183,856 km (0.041 R)
• M2: 667,356 km (0.069 R)
• M3: 1,278,763 km (0.107 R)
• M4: 1,879,847 km (0.08 R)
• M5: 2,429,469 km (0.065 R)
• M6: 3,945,045 km (0.064 R)
• M7: 5,472,589 km (0.065 R)
• M8: 6,312,282 km (0.035 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.4

Radius: 12

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.15 AU - 1.23 AU

Year: 912 Days

Day: 11.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 21,073,784 km

• M1: 149,299 km (0.083 R)
• M2: 665,561 km (0.119 R)
• M3: 1,298,210 km (0.102 R)
• M4: 1,870,422 km (0.114 R)
• M5: 2,269,699 km (0.112 R)
• M6: 3,926,495 km (0.093 R)
• M7: 4,589,812 km (0.108 R)
• M8: 5,362,036 km (0.041 R)
• M9: 7,382,655 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 10.1

Radius: 12.3

Gravity: 0.07 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 2.35 AU - 3.53 AU

Year: 3543 Days

Day: 7.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 21,073,784 km

• M1: 153,188 km (0.094 R)
• M2: 654,790 km (0.111 R)
• M3: 2,069,088 km (0.107 R)
• M4: 2,990,162 km (0.102 R)
• M5: 3,710,925 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201.7

Radius: 8.5

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 3.11 AU - 4.65 AU

Year: 5372 Days

Day: 11.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 21,073,784 km

• M1: 106,514 km (0.05 R)
• M2: 474,225 km (0.08 R)
• M3: 1,051,673 km (0.103 R)
• M4: 1,904,082 km (0.06 R)
• M5: 2,310,539 km (0.074 R)
• M6: 2,726,720 km (0.091 R)
• M7: 3,088,149 km (0.091 R)
• M8: 3,709,728 km (0.111 R)
• M9: 4,239,304 km (0.081 R)
• M10: 4,772,022 km (0.075 R)
• M11: 5,249,539 km (0.112 R)
• M12: 5,628,171 km (0.097 R)
• M13: 6,079,358 km (0.037 R)
• M14: 6,757,037 km (0.081 R)
• M15: 8,951,637 km (0.053 R)
• M16: 9,237,669 km (0.092 R)
• M17: 9,715,634 km (0.093 R)
• M18: 10,761,024 km (0.09 R)
• M19: 11,666,839 km (0.039 R)
• M20: 14,987,463 km (0.116 R)
• M21: 15,544,864 km (0.044 R)
• M22: 17,521,501 km (0.117 R)
• M23: 18,311,228 km (0.073 R)
• M24: 19,007,008 km (0.042 R)
• M25: 19,302,015 km (0.079 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 442 - 14,224 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit