🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.77

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.55 AU - 0.91 AU

Year: 231 Days

Day: 22.6 Hours

Environment

Temp: 118 °C

Axial Tilt: 41.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.11

Radius: 1.35

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.97 AU - 1.45 AU

Year: 494 Days

Day: 18.4 Hours

Environment

Temp: 12 °C

Axial Tilt: 43.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 4.98 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 8.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 724.1

Radius: 8.2

Gravity: 10.77 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 7.67 AU - 9.84 AU

Year: 9599 Days

Day: 7.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 60,356,041 km

• M1: 111,301 km (0.082 R)
• M2: 1,369,269 km (0.031 R)
• M3: 1,684,921 km (0.059 R)
• M4: 2,065,797 km (0.119 R)
• M5: 2,445,626 km (0.115 R)
• M6: 2,765,616 km (0.097 R)
• M7: 4,195,921 km (0.043 R)
• M8: 5,183,117 km (0.105 R)
• M9: 5,783,005 km (0.045 R)
• M10: 6,099,704 km (0.082 R)
• M11: 6,845,599 km (0.112 R)
• M12: 7,200,445 km (0.117 R)
• M13: 8,295,052 km (0.091 R)
• M14: 8,607,861 km (0.113 R)
• M15: 11,022,970 km (0.071 R)
• M16: 13,981,866 km (0.072 R)
• M17: 16,433,775 km (0.088 R)
• M18: 17,142,719 km (0.108 R)
• M19: 17,432,041 km (0.102 R)
• M20: 17,724,505 km (0.118 R)
• M21: 18,927,272 km (0.086 R)
• M22: 20,832,251 km (0.103 R)
• M23: 22,256,722 km (0.109 R)
• M24: 27,803,213 km (0.07 R)
• M25: 29,115,785 km (0.043 R)
• M26: 32,191,517 km (0.119 R)
• M27: 35,947,620 km (0.108 R)
• M28: 36,900,260 km (0.089 R)
• M29: 37,869,654 km (0.119 R)
• M30: 39,480,972 km (0.119 R)
• M31: 41,266,722 km (0.098 R)
• M32: 42,574,806 km (0.118 R)
• M33: 44,588,543 km (0.053 R)

Planet 4 - Gas Giant

Semi-Major Axis: 10.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 904.7

Radius: 10.6

Gravity: 8.05 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 8.32 AU - 12.32 AU

Year: 12295 Days

Day: 14.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 60,356,041 km

• M1: 132,693 km (0.108 R)
• M2: 494,870 km (0.054 R)
• M3: 826,977 km (0.078 R)
• M4: 1,540,708 km (0.119 R)
• M5: 3,410,383 km (0.096 R)
• M6: 4,132,492 km (0.098 R)
• M7: 4,467,441 km (0.081 R)
• M8: 5,089,020 km (0.07 R)
• M9: 6,709,165 km (0.085 R)
• M10: 7,934,073 km (0.042 R)
• M11: 8,846,470 km (0.072 R)
• M12: 13,010,676 km (0.043 R)
• M13: 14,277,621 km (0.097 R)
• M14: 15,047,751 km (0.09 R)
• M15: 15,625,049 km (0.043 R)
• M16: 16,747,332 km (0.119 R)
• M17: 22,053,120 km (0.116 R)
• M18: 26,568,881 km (0.082 R)
• M19: 27,733,500 km (0.113 R)
• M20: 28,492,111 km (0.118 R)
• M21: 29,042,332 km (0.049 R)
• M22: 30,164,316 km (0.101 R)
• M23: 31,665,680 km (0.036 R)
• M24: 32,137,512 km (0.101 R)
• M25: 36,726,726 km (0.099 R)
• M26: 41,172,924 km (0.049 R)
• M27: 43,743,165 km (0.117 R)
• M28: 44,181,786 km (0.076 R)
• M29: 49,834,491 km (0.098 R)
• M30: 54,083,221 km (0.105 R)
• M31: 59,457,225 km (0.095 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 171 - 17,522 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit