🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.67

Radius: 1.23

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.64 AU - 0.76 AU

Year: 223 Days

Day: 24.6 Hours

Environment

Temp: 137 °C

Axial Tilt: 21.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.26

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.65 AU - 0.89 AU

Year: 257 Days

Day: 22.2 Hours

Environment

Temp: 111 °C

Axial Tilt: 36.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 61,224,442 km

• M1: 57,146 km (0.036 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.56

Radius: 1.19

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.2 AU - 1.64 AU

Year: 644 Days

Day: 17.1 Hours

Environment

Temp: -50 °C

Axial Tilt: 74.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.67

Radius: 1.23

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.64 AU - 1.76 AU

Year: 844 Days

Day: 35 Hours

Environment

Temp: -74 °C

Axial Tilt: 27.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.66

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 2.84 AU - 3.94 AU

Year: 2377 Days

Day: 46.7 Hours

Environment

Temp: -123 °C

Axial Tilt: 26.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 61,224,442 km

• M1: 334,501 km (0.119 R)
• M2: 373,097 km (0.058 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 322.9

Radius: 5.1

Gravity: 12.41 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 13.73 AU - 15.27 AU

Year: 21026 Days

Day: 24.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 61,224,442 km

• M1: 63,579 km (0.105 R)
• M2: 246,088 km (0.105 R)
• M3: 408,402 km (0.093 R)
• M4: 621,729 km (0.07 R)
• M5: 797,955 km (0.113 R)
• M6: 962,812 km (0.116 R)
• M7: 1,150,856 km (0.072 R)
• M8: 1,349,373 km (0.083 R)
• M9: 1,617,602 km (0.118 R)
• M10: 2,404,187 km (0.113 R)
• M11: 3,111,486 km (0.095 R)
• M12: 4,791,769 km (0.11 R)
• M13: 5,452,992 km (0.029 R)
• M14: 8,564,328 km (0.108 R)
• M15: 9,429,004 km (0.091 R)
• M16: 9,801,503 km (0.038 R)
• M17: 13,274,268 km (0.119 R)
• M18: 14,781,317 km (0.09 R)
• M19: 21,769,183 km (0.05 R)
• M20: 23,563,909 km (0.095 R)
• M21: 24,847,309 km (0.099 R)
• M22: 27,230,852 km (0.1 R)
• M23: 31,143,584 km (0.071 R)
• M24: 32,207,075 km (0.097 R)
• M25: 34,656,591 km (0.11 R)
• M26: 38,022,992 km (0.103 R)
• M27: 38,559,599 km (0.113 R)
• M28: 40,896,168 km (0.086 R)
• M29: 46,000,747 km (0.11 R)
• M30: 46,457,170 km (0.119 R)
• M31: 52,667,127 km (0.08 R)
• M32: 55,367,070 km (0.095 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 214 - 16,210 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit