🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.83

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.76 AU - 0.78 AU

Year: 247 Days

Day: 15.1 Hours

Environment

Temp: 170 °C

Axial Tilt: 46.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 57,178,835 km

• M1: 211,531 km (0.116 R)
• M2: 464,202 km (0.117 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.23

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.81 AU - 0.87 AU

Year: 281 Days

Day: 27.2 Hours

Environment

Temp: 130 °C

Axial Tilt: 45.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.83

Radius: 0.93

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.74 AU - 1.12 AU

Year: 328 Days

Day: 37.6 Hours

Environment

Temp: 90 °C

Axial Tilt: 6.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.23

Radius: 0.56

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.89 AU - 1.89 AU

Year: 949 Days

Day: 39.6 Hours

Environment

Temp: -67 °C

Axial Tilt: 15.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.64

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 2.44 AU - 3.48 AU

Year: 1860 Days

Day: 31.3 Hours

Environment

Temp: -110 °C

Axial Tilt: 33.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 7.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 502.8

Radius: 9.3

Gravity: 5.81 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 7.6 AU - 7.96 AU

Year: 7926 Days

Day: 14.5 Hours

Environment

Temp: -171 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 57,178,835 km

• M1: 115,639 km (0.097 R)
• M2: 447,896 km (0.091 R)
• M3: 961,316 km (0.05 R)
• M4: 1,592,320 km (0.071 R)
• M5: 1,910,814 km (0.117 R)
• M6: 4,327,268 km (0.088 R)
• M7: 5,041,448 km (0.039 R)
• M8: 5,864,237 km (0.082 R)
• M9: 6,916,358 km (0.096 R)
• M10: 9,838,454 km (0.099 R)
• M11: 11,119,460 km (0.057 R)
• M12: 12,777,902 km (0.105 R)
• M13: 17,034,859 km (0.102 R)
• M14: 17,499,809 km (0.04 R)
• M15: 18,734,590 km (0.1 R)
• M16: 19,734,353 km (0.118 R)
• M17: 21,300,194 km (0.034 R)
• M18: 22,074,213 km (0.091 R)
• M19: 22,947,117 km (0.096 R)
• M20: 23,433,010 km (0.068 R)
• M21: 24,677,366 km (0.046 R)
• M22: 25,101,775 km (0.073 R)
• M23: 26,492,885 km (0.111 R)
• M24: 29,143,909 km (0.086 R)
• M25: 34,016,910 km (0.12 R)
• M26: 36,590,592 km (0.098 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 807

Radius: 9.7

Gravity: 8.58 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 9.55 AU - 10.97 AU

Year: 12004 Days

Day: 13.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 57,178,835 km

• M1: 132,993 km (0.084 R)
• M2: 442,361 km (0.092 R)
• M3: 805,884 km (0.073 R)
• M4: 1,320,201 km (0.116 R)
• M5: 2,343,451 km (0.077 R)
• M6: 3,351,441 km (0.069 R)
• M7: 4,110,949 km (0.042 R)
• M8: 5,495,328 km (0.092 R)
• M9: 7,083,160 km (0.117 R)
• M10: 7,959,804 km (0.099 R)
• M11: 10,521,517 km (0.055 R)
• M12: 12,079,130 km (0.105 R)
• M13: 17,435,781 km (0.084 R)
• M14: 17,982,562 km (0.106 R)
• M15: 18,460,228 km (0.112 R)
• M16: 19,775,642 km (0.105 R)
• M17: 30,556,113 km (0.087 R)
• M18: 33,100,773 km (0.097 R)
• M19: 33,458,461 km (0.05 R)
• M20: 34,914,797 km (0.09 R)
• M21: 35,409,367 km (0.076 R)
• M22: 37,435,072 km (0.103 R)
• M23: 37,953,279 km (0.097 R)
• M24: 39,939,490 km (0.098 R)
• M25: 43,117,996 km (0.1 R)
• M26: 44,117,908 km (0.08 R)
• M27: 47,361,190 km (0.099 R)
• M28: 47,815,369 km (0.081 R)
• M29: 50,444,552 km (0.041 R)
• M30: 50,918,178 km (0.113 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 239 - 16,217 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit