🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.5

Radius: 1.44

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.55 AU - 0.57 AU

Year: 152 Days

Day: 25.4 Hours

Environment

Temp: 190 °C

Axial Tilt: 49.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 57,956,147 km

• M1: 111,301 km (0.06 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.14

Radius: 1.36

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.47 AU - 0.65 AU

Year: 152 Days

Day: 41.5 Hours

Environment

Temp: 158 °C

Axial Tilt: 34.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.92

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.7 AU - 0.76 AU

Year: 227 Days

Day: 16.7 Hours

Environment

Temp: 149 °C

Axial Tilt: 27.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.33

Radius: 1.4

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.25 AU - 1.89 AU

Year: 715 Days

Day: 31.2 Hours

Environment

Temp: -39 °C

Axial Tilt: 16.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 57,956,147 km

• M1: 1,005,148 km (0.093 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.79

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 2.53 AU - 3.09 AU

Year: 1712 Days

Day: 35.1 Hours

Environment

Temp: -96 °C

Axial Tilt: 18.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 6.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 939

Radius: 14.3

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 6.58 AU - 7.24 AU

Year: 6602 Days

Day: 13.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 57,956,147 km

• M1: 177,872 km (0.074 R)
• M2: 660,475 km (0.086 R)
• M3: 1,178,532 km (0.096 R)
• M4: 2,580,414 km (0.112 R)
• M5: 3,395,722 km (0.092 R)
• M6: 3,840,327 km (0.046 R)
• M7: 4,485,243 km (0.049 R)
• M8: 5,354,108 km (0.055 R)
• M9: 6,332,478 km (0.073 R)
• M10: 8,307,170 km (0.097 R)
• M11: 8,946,401 km (0.073 R)
• M12: 9,943,322 km (0.069 R)
• M13: 10,763,417 km (0.07 R)
• M14: 11,472,212 km (0.087 R)
• M15: 12,211,973 km (0.068 R)
• M16: 13,438,676 km (0.092 R)
• M17: 16,136,674 km (0.103 R)
• M18: 17,821,146 km (0.09 R)
• M19: 20,448,982 km (0.118 R)
• M20: 27,942,638 km (0.101 R)
• M21: 30,465,307 km (0.07 R)
• M22: 31,271,191 km (0.046 R)
• M23: 33,988,636 km (0.111 R)
• M24: 36,633,527 km (0.081 R)
• M25: 37,544,877 km (0.034 R)
• M26: 38,354,650 km (0.104 R)
• M27: 39,176,092 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 76.3

Radius: 8.4

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 6.93 AU - 8.85 AU

Year: 8055 Days

Day: 14.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 57,956,147 km

• M1: 106,663 km (0.092 R)
• M2: 955,930 km (0.101 R)
• M3: 3,821,328 km (0.075 R)
• M4: 5,000,010 km (0.093 R)
• M5: 5,660,035 km (0.104 R)
• M6: 6,349,382 km (0.096 R)
• M7: 7,153,022 km (0.075 R)
• M8: 8,788,576 km (0.103 R)
• M9: 10,197,040 km (0.078 R)
• M10: 11,256,641 km (0.043 R)
• M11: 15,318,972 km (0.061 R)
• M12: 17,132,547 km (0.054 R)
• M13: 18,174,795 km (0.025 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694.4

Radius: 14.9

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 9.74 AU - 12.2 AU

Year: 13205 Days

Day: 8.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 57,956,147 km

• M1: 214,823 km (0.093 R)
• M2: 712,684 km (0.045 R)
• M3: 1,248,245 km (0.085 R)
• M4: 2,008,202 km (0.109 R)
• M5: 2,496,190 km (0.105 R)
• M6: 4,404,610 km (0.097 R)
• M7: 5,310,575 km (0.094 R)
• M8: 5,919,289 km (0.102 R)
• M9: 6,694,804 km (0.109 R)
• M10: 7,277,488 km (0.085 R)
• M11: 7,893,831 km (0.092 R)
• M12: 8,497,309 km (0.089 R)
• M13: 9,744,656 km (0.063 R)
• M14: 12,354,391 km (0.071 R)
• M15: 15,117,613 km (0.065 R)
• M16: 16,794,156 km (0.103 R)
• M17: 17,560,696 km (0.058 R)
• M18: 18,998,930 km (0.097 R)
• M19: 20,428,337 km (0.099 R)
• M20: 26,869,124 km (0.1 R)
• M21: 30,434,490 km (0.103 R)
• M22: 31,574,426 km (0.081 R)
• M23: 33,697,818 km (0.111 R)
• M24: 38,096,594 km (0.12 R)
• M25: 40,637,962 km (0.04 R)
• M26: 42,020,097 km (0.097 R)
• M27: 43,290,632 km (0.099 R)
• M28: 49,093,533 km (0.101 R)
• M29: 57,093,878 km (0.109 R)
• M30: 57,610,140 km (0.09 R)

Kuiper Belt

Range: 30.2 - 48.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 172 - 12,069 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit