🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.54

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.58 AU - 0.7 AU

Year: 191 Days

Day: 33.3 Hours

Environment

Temp: 134 °C

Axial Tilt: 30 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 29,547,732 km

• M1: 585,526 km (0.091 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.33

Radius: 1.12

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.05 AU - 1.19 AU

Year: 442 Days

Day: 33.5 Hours

Environment

Temp: -7 °C

Axial Tilt: 24.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 29,547,732 km

• M1: 46,974 km (0.098 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.17

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.21 AU - 1.37 AU

Year: 546 Days

Day: 28.7 Hours

Environment

Temp: -27 °C

Axial Tilt: 36.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 29,547,732 km

• M1: 678,277 km (0.083 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.16

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.7 AU - 1.92 AU

Year: 908 Days

Day: 29.5 Hours

Environment

Temp: -70 °C

Axial Tilt: 6.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.94

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.54 AU - 2.24 AU

Year: 969 Days

Day: 35.3 Hours

Environment

Temp: -67 °C

Axial Tilt: 46.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 29,547,732 km

• M1: 394,490 km (0.109 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.13

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 2.21 AU - 2.43 AU

Year: 1317 Days

Day: 13.1 Hours

Environment

Temp: -84 °C

Axial Tilt: 23.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.13

Radius: 1.35

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 2.04 AU - 3.18 AU

Year: 1572 Days

Day: 18.4 Hours

Environment

Temp: -105 °C

Axial Tilt: 37.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 3.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.15

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 3.17 AU - 4.21 AU

Year: 2642 Days

Day: 25.1 Hours

Environment

Temp: -125 °C

Axial Tilt: 23.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.78 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Gas Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 573.8

Radius: 12.8

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 4.46 AU - 7.26 AU

Year: 5288 Days

Day: 5.2 Hours

Environment

Temp: -151 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (68)

Outer Limit: 29,547,732 km

• M1: 166,652 km (0.101 R)
• M2: 296,952 km (0.091 R)
• M3: 430,393 km (0.084 R)
• M4: 559,047 km (0.03 R)
• M5: 703,409 km (0.086 R)
• M6: 939,475 km (0.119 R)
• M7: 1,202,318 km (0.09 R)
• M8: 1,290,431 km (0.104 R)
• M9: 1,682,228 km (0.111 R)
• M10: 1,900,791 km (0.103 R)
• M11: 2,093,173 km (0.069 R)
• M12: 2,366,190 km (0.062 R)
• M13: 2,847,147 km (0.117 R)
• M14: 3,109,392 km (0.107 R)
• M15: 3,191,820 km (0.083 R)
• M16: 3,443,294 km (0.112 R)
• M17: 3,636,126 km (0.108 R)
• M18: 3,899,119 km (0.072 R)
• M19: 4,351,204 km (0.109 R)
• M20: 4,466,843 km (0.074 R)
• M21: 5,060,896 km (0.091 R)
• M22: 5,831,923 km (0.109 R)
• M23: 6,507,059 km (0.074 R)
• M24: 6,719,936 km (0.103 R)
• M25: 6,934,908 km (0.114 R)
• M26: 7,316,981 km (0.119 R)
• M27: 8,561,785 km (0.081 R)
• M28: 8,912,592 km (0.054 R)
• M29: 9,001,154 km (0.101 R)
• M30: 9,119,486 km (0.102 R)
• M31: 9,689,155 km (0.027 R)
• M32: 9,780,110 km (0.115 R)
• M33: 10,705,822 km (0.116 R)
• M34: 11,306,607 km (0.055 R)
• M35: 11,595,032 km (0.038 R)
• M36: 12,113,837 km (0.102 R)
• M37: 12,244,735 km (0.026 R)
• M38: 12,441,905 km (0.106 R)
• M39: 13,140,527 km (0.093 R)
• M40: 13,241,356 km (0.086 R)
• M41: 13,511,530 km (0.101 R)
• M42: 13,886,123 km (0.084 R)
• M43: 13,988,897 km (0.117 R)
• M44: 14,126,228 km (0.085 R)
• M45: 14,264,007 km (0.063 R)
• M46: 15,418,155 km (0.08 R)
• M47: 16,602,222 km (0.088 R)
• M48: 17,003,444 km (0.087 R)
• M49: 18,039,110 km (0.073 R)
• M50: 18,526,799 km (0.083 R)
• M51: 18,753,439 km (0.118 R)
• M52: 19,669,128 km (0.095 R)
• M53: 19,861,660 km (0.108 R)
• M54: 20,287,566 km (0.077 R)
• M55: 20,951,780 km (0.065 R)
• M56: 21,109,157 km (0.113 R)
• M57: 21,464,452 km (0.083 R)
• M58: 22,905,977 km (0.096 R)
• M59: 22,986,910 km (0.041 R)
• M60: 23,720,238 km (0.104 R)
• M61: 24,254,602 km (0.118 R)
• M62: 24,793,005 km (0.104 R)
• M63: 25,126,159 km (0.107 R)
• M64: 27,114,016 km (0.085 R)
• M65: 27,199,735 km (0.115 R)
• M66: 27,758,932 km (0.058 R)
• M67: 28,018,484 km (0.112 R)
• M68: 29,503,692 km (0.094 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 251 - 13,193 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit