🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.7

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.67 AU - 1.01 AU

Year: 292 Days

Day: 40 Hours

Environment

Temp: 31 °C

Axial Tilt: 25.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.68

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.05 AU - 1.43 AU

Year: 523 Days

Day: 28.9 Hours

Environment

Temp: -24 °C

Axial Tilt: 140.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.82

Radius: 1.88

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 2.66 AU - 3.58 AU

Year: 2087 Days

Day: 44.8 Hours

Environment

Temp: -125 °C

Axial Tilt: 3.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.5 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Ice Giant

Semi-Major Axis: 11.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 45.9

Radius: 6.8

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 9.9 AU - 13.84 AU

Year: 15489 Days

Day: 18 Hours

Environment

Temp: -192 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 60,656,141 km

• M1: 85,720 km (0.112 R)
• M2: 685,906 km (0.045 R)
• M3: 1,123,779 km (0.114 R)
• M4: 1,784,852 km (0.105 R)
• M5: 2,164,532 km (0.103 R)
• M6: 3,490,268 km (0.034 R)
• M7: 4,795,061 km (0.103 R)
• M8: 6,926,681 km (0.079 R)
• M9: 9,071,764 km (0.088 R)
• M10: 10,315,671 km (0.098 R)
• M11: 10,869,781 km (0.067 R)
• M12: 15,814,440 km (0.115 R)
• M13: 22,007,941 km (0.063 R)
• M14: 23,212,503 km (0.091 R)
• M15: 24,088,848 km (0.081 R)

Planet 5 - Ice Giant

Semi-Major Axis: 19.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 134.6

Radius: 4.1

Gravity: 8.01 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 18.95 AU - 19.65 AU

Year: 32113 Days

Day: 15.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 60,656,141 km

• M1: 81,980 km (0.112 R)
• M2: 428,598 km (0.105 R)
• M3: 604,226 km (0.061 R)
• M4: 837,449 km (0.044 R)
• M5: 1,311,375 km (0.117 R)
• M6: 2,902,199 km (0.118 R)
• M7: 3,645,999 km (0.116 R)
• M8: 3,786,023 km (0.086 R)
• M9: 7,763,830 km (0.089 R)
• M10: 9,594,160 km (0.083 R)
• M11: 13,672,348 km (0.11 R)
• M12: 14,355,561 km (0.086 R)
• M13: 15,863,957 km (0.078 R)
• M14: 20,927,845 km (0.094 R)
• M15: 34,081,686 km (0.076 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 340 - 17,129 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit