🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.2

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.48 AU - 0.72 AU

Year: 175 Days

Day: 29.7 Hours

Environment

Temp: 193 °C

Axial Tilt: 39.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.87

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.27 AU - 1.73 AU

Year: 692 Days

Day: 32.3 Hours

Environment

Temp: -49 °C

Axial Tilt: 11.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.97 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Terrestrial

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.94

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 2.27 AU - 2.59 AU

Year: 1427 Days

Day: 35.6 Hours

Environment

Temp: -99 °C

Axial Tilt: 28 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 91,390,488 km

• M1: 494,571 km (0.118 R)
• M2: 1,708,707 km (0.114 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.41

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 3.61 AU - 4.37 AU

Year: 3003 Days

Day: 47.3 Hours

Environment

Temp: -128 °C

Axial Tilt: 20.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 9.37 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 14.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 83.4

Radius: 5.1

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 11.1 AU - 18.38 AU

Year: 21319 Days

Day: 20.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 91,390,488 km

• M1: 64,177 km (0.101 R)
• M2: 239,955 km (0.038 R)
• M3: 2,340,608 km (0.092 R)
• M4: 2,751,554 km (0.078 R)
• M5: 3,739,947 km (0.094 R)
• M6: 4,194,874 km (0.106 R)
• M7: 5,063,439 km (0.061 R)
• M8: 5,429,954 km (0.047 R)
• M9: 6,635,862 km (0.048 R)
• M10: 7,929,136 km (0.095 R)
• M11: 10,606,190 km (0.071 R)
• M12: 13,889,115 km (0.116 R)
• M13: 14,066,089 km (0.093 R)
• M14: 23,350,283 km (0.059 R)
• M15: 24,106,799 km (0.117 R)
• M16: 29,768,331 km (0.106 R)
• M17: 38,649,657 km (0.114 R)

Planet 6 - Ice Giant

Semi-Major Axis: 19.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 483.9

Radius: 7.8

Gravity: 7.95 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 15.53 AU - 22.57 AU

Year: 31323 Days

Day: 24.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 91,390,488 km

• M1: 116,686 km (0.036 R)
• M2: 561,590 km (0.117 R)
• M3: 3,259,887 km (0.097 R)
• M4: 7,154,817 km (0.119 R)
• M5: 8,087,710 km (0.071 R)
• M6: 10,903,441 km (0.094 R)
• M7: 15,120,904 km (0.107 R)
• M8: 19,522,073 km (0.085 R)
• M9: 21,023,438 km (0.086 R)
• M10: 24,708,482 km (0.084 R)
• M11: 29,957,572 km (0.106 R)
• M12: 37,998,458 km (0.118 R)
• M13: 39,075,413 km (0.045 R)
• M14: 41,938,117 km (0.065 R)
• M15: 48,434,704 km (0.094 R)
• M16: 50,249,326 km (0.062 R)
• M17: 53,437,706 km (0.065 R)
• M18: 64,456,038 km (0.071 R)
• M19: 64,890,919 km (0.052 R)
• M20: 74,004,271 km (0.12 R)
• M21: 88,947,752 km (0.111 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 346 - 13,101 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit