🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.38

Radius: 0.68

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.73 AU - 0.95 AU

Year: 280 Days

Day: 35.3 Hours

Environment

Temp: 103 °C

Axial Tilt: 46.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 86,566,150 km

• M1: 32,463 km (0.068 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.43

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.81 AU - 1.11 AU

Year: 342 Days

Day: 26.6 Hours

Environment

Temp: 98 °C

Axial Tilt: 38.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.34

Radius: 0.65

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.83 AU - 1.13 AU

Year: 353 Days

Day: 40 Hours

Environment

Temp: 25 °C

Axial Tilt: 48.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.14

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.88 AU - 1.24 AU

Year: 397 Days

Day: 16.2 Hours

Environment

Temp: 34 °C

Axial Tilt: 22.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 86,566,150 km

• M1: 37,100 km (0.062 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.98

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.07 AU - 1.33 AU

Year: 478 Days

Day: 14 Hours

Environment

Temp: 20 °C

Axial Tilt: 21.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 86,566,150 km

• M1: 36,651 km (0.081 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.67

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.15 AU - 1.25 AU

Year: 478 Days

Day: 25.4 Hours

Environment

Temp: -7 °C

Axial Tilt: 12.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 86,566,150 km

• M1: 285,882 km (0.082 R)

Asteroid Belt

Center: 5.79 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 10.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 255.8

Radius: 14.9

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 10.2 AU - 10.56 AU

Year: 12154 Days

Day: 14.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 86,566,150 km

• M1: 185,501 km (0.074 R)
• M2: 896,989 km (0.113 R)
• M3: 1,479,373 km (0.111 R)
• M4: 3,798,440 km (0.111 R)
• M5: 5,076,155 km (0.103 R)
• M6: 7,167,533 km (0.088 R)
• M7: 9,109,912 km (0.049 R)
• M8: 9,968,753 km (0.071 R)
• M9: 11,079,817 km (0.112 R)
• M10: 12,325,817 km (0.117 R)
• M11: 13,720,967 km (0.06 R)
• M12: 16,691,682 km (0.101 R)
• M13: 18,967,813 km (0.09 R)
• M14: 20,218,003 km (0.115 R)
• M15: 26,217,476 km (0.119 R)
• M16: 27,030,989 km (0.086 R)
• M17: 32,579,424 km (0.113 R)
• M18: 35,018,468 km (0.07 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 388.8

Radius: 4.5

Gravity: 19.2 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 19.48 AU - 20.28 AU

Year: 32215 Days

Day: 18.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 119.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 86,566,150 km

• M1: 57,894 km (0.032 R)
• M2: 403,765 km (0.12 R)
• M3: 1,002,455 km (0.114 R)
• M4: 1,251,835 km (0.068 R)
• M5: 1,440,328 km (0.114 R)
• M6: 2,462,531 km (0.088 R)
• M7: 4,473,575 km (0.047 R)
• M8: 7,030,502 km (0.106 R)
• M9: 8,204,845 km (0.114 R)
• M10: 8,367,159 km (0.102 R)
• M11: 12,645,957 km (0.094 R)
• M12: 13,452,439 km (0.095 R)
• M13: 19,788,806 km (0.118 R)
• M14: 22,628,024 km (0.076 R)
• M15: 34,687,408 km (0.074 R)
• M16: 38,483,304 km (0.075 R)
• M17: 52,996,691 km (0.086 R)
• M18: 62,702,452 km (0.12 R)
• M19: 86,048,097 km (0.057 R)

Kuiper Belt

Range: 30.2 - 46.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 380 - 15,234 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit