🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.53

Radius: 0.78

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.88 AU - 1 AU

Year: 326 Days

Day: 21.9 Hours

Environment

Temp: 108 °C

Axial Tilt: 36.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.1

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.98 AU - 1.3 AU

Year: 436 Days

Day: 31.1 Hours

Environment

Temp: 25 °C

Axial Tilt: 39.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 40,050,425 km

• M1: 85,570 km (0.101 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.39 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.55

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.37 AU - 1.41 AU

Year: 587 Days

Day: 44.3 Hours

Environment

Temp: -5 °C

Axial Tilt: 25.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.44 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.74

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 1.14 AU - 1.74 AU

Year: 619 Days

Day: 27.4 Hours

Environment

Temp: 1 °C

Axial Tilt: 32.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 40,050,425 km

• M1: 36,951 km (0.099 R)

Asteroid Belt

Center: 3.04 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Terrestrial

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.63

Radius: 1.85

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 4.21 AU - 5.05 AU

Year: 3568 Days

Day: 31.6 Hours

Environment

Temp: -137 °C

Axial Tilt: 16.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 40,050,425 km

• M1: 1,513,930 km (0.072 R)
• M2: 2,986,422 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22.1

Radius: 14.1

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 6.65 AU - 8.61 AU

Year: 7548 Days

Day: 9.5 Hours

Environment

Temp: -150 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 40,050,425 km

• M1: 191,036 km (0.109 R)
• M2: 640,129 km (0.109 R)
• M3: 1,079,947 km (0.114 R)
• M4: 2,763,671 km (0.113 R)
• M5: 7,360,215 km (0.09 R)
• M6: 11,178,102 km (0.097 R)
• M7: 11,809,406 km (0.115 R)
• M8: 12,353,493 km (0.065 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653.9

Radius: 13.7

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 6.37 AU - 9.25 AU

Year: 7817 Days

Day: 13 Hours

Environment

Temp: -161 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 40,050,425 km

• M1: 170,392 km (0.071 R)
• M2: 855,251 km (0.109 R)
• M3: 1,710,352 km (0.108 R)
• M4: 2,157,800 km (0.074 R)
• M5: 2,703,533 km (0.034 R)
• M6: 3,341,119 km (0.055 R)
• M7: 3,804,423 km (0.087 R)
• M8: 4,636,188 km (0.12 R)
• M9: 6,277,276 km (0.078 R)
• M10: 9,767,245 km (0.104 R)
• M11: 11,377,068 km (0.096 R)
• M12: 14,383,686 km (0.095 R)
• M13: 15,557,281 km (0.096 R)
• M14: 22,891,017 km (0.114 R)
• M15: 23,723,081 km (0.109 R)
• M16: 27,254,937 km (0.098 R)
• M17: 28,953,172 km (0.045 R)
• M18: 29,730,183 km (0.09 R)
• M19: 34,905,222 km (0.103 R)

Kuiper Belt

Range: 30.6 - 54.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 285 - 20,068 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit