🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.04

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.54 AU - 0.54 AU

Year: 139 Days

Day: 46.3 Hours

Environment

Temp: 227 °C

Axial Tilt: 34.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 32,289,588 km

• M1: 37,399 km (0.113 R)
• M2: 406,757 km (0.086 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.98

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.47 AU - 0.67 AU

Year: 151 Days

Day: 13.1 Hours

Environment

Temp: 215 °C

Axial Tilt: 34.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.41

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.62 AU - 0.82 AU

Year: 214 Days

Day: 13.2 Hours

Environment

Temp: 172 °C

Axial Tilt: 22.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.85

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.84 AU - 1.22 AU

Year: 366 Days

Day: 31.1 Hours

Environment

Temp: 120 °C

Axial Tilt: 24.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 32,289,588 km

• M1: 48,919 km (0.094 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.46

Radius: 0.73

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.86 AU - 2.28 AU

Year: 1042 Days

Day: 32.1 Hours

Environment

Temp: -49 °C

Axial Tilt: 31.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 32,289,588 km

• M1: 829,371 km (0.079 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.71

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 3.31 AU - 3.95 AU

Year: 2420 Days

Day: 16.6 Hours

Environment

Temp: -114 °C

Axial Tilt: 12.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 6.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 542

Radius: 8.9

Gravity: 6.84 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 5.25 AU - 6.99 AU

Year: 5297 Days

Day: 11.1 Hours

Environment

Temp: -147 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 32,289,588 km

• M1: 111,600 km (0.085 R)
• M2: 398,080 km (0.055 R)
• M3: 837,898 km (0.069 R)
• M4: 1,267,244 km (0.095 R)
• M5: 2,457,893 km (0.1 R)
• M6: 2,762,923 km (0.09 R)
• M7: 3,470,671 km (0.119 R)
• M8: 4,246,784 km (0.1 R)
• M9: 4,663,265 km (0.083 R)
• M10: 6,170,164 km (0.117 R)
• M11: 7,761,138 km (0.107 R)
• M12: 9,081,788 km (0.118 R)
• M13: 9,774,725 km (0.045 R)
• M14: 10,112,816 km (0.058 R)
• M15: 11,357,919 km (0.087 R)
• M16: 11,637,667 km (0.095 R)
• M17: 12,702,505 km (0.111 R)
• M18: 13,361,483 km (0.093 R)
• M19: 14,311,430 km (0.032 R)
• M20: 15,475,750 km (0.039 R)
• M21: 16,523,085 km (0.083 R)
• M22: 17,003,294 km (0.116 R)
• M23: 18,372,414 km (0.053 R)
• M24: 20,424,148 km (0.12 R)
• M25: 22,041,900 km (0.082 R)
• M26: 22,550,832 km (0.105 R)
• M27: 26,743,611 km (0.105 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.7

Radius: 8

Gravity: 9.87 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 5.4 AU - 7.54 AU

Year: 5757 Days

Day: 6.8 Hours

Environment

Temp: -151 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 32,289,588 km

• M1: 99,483 km (0.107 R)
• M2: 368,759 km (0.118 R)
• M3: 633,248 km (0.044 R)
• M4: 986,149 km (0.041 R)
• M5: 1,539,661 km (0.086 R)
• M6: 2,334,325 km (0.094 R)
• M7: 2,605,696 km (0.118 R)
• M8: 3,111,785 km (0.09 R)
• M9: 5,339,148 km (0.094 R)
• M10: 8,225,489 km (0.115 R)
• M11: 9,186,805 km (0.077 R)
• M12: 9,824,541 km (0.036 R)
• M13: 10,628,330 km (0.03 R)
• M14: 10,905,834 km (0.065 R)
• M15: 12,622,021 km (0.106 R)
• M16: 13,409,953 km (0.108 R)
• M17: 14,681,086 km (0.083 R)
• M18: 16,334,891 km (0.083 R)
• M19: 16,704,697 km (0.101 R)
• M20: 20,219,199 km (0.119 R)
• M21: 20,645,703 km (0.057 R)
• M22: 22,563,847 km (0.076 R)
• M23: 24,117,870 km (0.055 R)
• M24: 24,759,046 km (0.065 R)
• M25: 27,611,429 km (0.099 R)
• M26: 28,490,316 km (0.077 R)
• M27: 30,211,440 km (0.059 R)
• M28: 32,000,780 km (0.059 R)

Kuiper Belt

Range: 31.4 - 51.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 189 - 14,835 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit