🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.21

Radius: 0.54

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.49 AU - 0.63 AU

Year: 155 Days

Day: 30.4 Hours

Environment

Temp: 179 °C

Axial Tilt: 38.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.03

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.45 AU - 1.57 AU

Year: 685 Days

Day: 43.8 Hours

Environment

Temp: -44 °C

Axial Tilt: 12.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.54

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.48 AU - 1.58 AU

Year: 698 Days

Day: 42.6 Hours

Environment

Temp: -35 °C

Axial Tilt: 9.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.21

Radius: 1.37

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.56 AU - 1.78 AU

Year: 796 Days

Day: 43.2 Hours

Environment

Temp: -56 °C

Axial Tilt: 5.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.46

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 3.2 AU - 4.76 AU

Year: 2930 Days

Day: 43.5 Hours

Environment

Temp: -119 °C

Axial Tilt: 38.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.15

Radius: 1.06

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 3.95 AU - 4.07 AU

Year: 2963 Days

Day: 36.5 Hours

Environment

Temp: -117 °C

Axial Tilt: 49.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 77,490,003 km

• M1: 270,323 km (0.073 R)

Asteroid Belt

Center: 7.13 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 10.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419.2

Radius: 13.7

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 9.26 AU - 11.24 AU

Year: 12108 Days

Day: 9.7 Hours

Environment

Temp: -169 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 77,490,003 km

• M1: 170,691 km (0.026 R)
• M2: 1,027,588 km (0.082 R)
• M3: 1,651,560 km (0.054 R)
• M4: 2,484,521 km (0.052 R)
• M5: 4,256,508 km (0.103 R)
• M6: 8,001,841 km (0.083 R)
• M7: 9,534,022 km (0.12 R)
• M8: 10,369,975 km (0.059 R)
• M9: 14,085,388 km (0.089 R)
• M10: 15,039,523 km (0.074 R)
• M11: 16,655,479 km (0.09 R)
• M12: 26,033,321 km (0.091 R)
• M13: 32,860,070 km (0.068 R)
• M14: 34,537,062 km (0.103 R)
• M15: 35,686,273 km (0.099 R)
• M16: 38,426,307 km (0.042 R)
• M17: 39,163,526 km (0.119 R)
• M18: 42,337,394 km (0.097 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 669.3

Radius: 4

Gravity: 41.83 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 14.35 AU - 15.05 AU

Year: 20795 Days

Day: 17.4 Hours

Environment

Temp: -184 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 77,490,003 km

• M1: 49,816 km (0.072 R)
• M2: 443,857 km (0.072 R)
• M3: 589,266 km (0.101 R)
• M4: 756,666 km (0.063 R)
• M5: 6,380,200 km (0.109 R)
• M6: 10,689,067 km (0.088 R)
• M7: 12,654,783 km (0.088 R)
• M8: 13,004,244 km (0.116 R)
• M9: 13,942,970 km (0.115 R)
• M10: 20,350,247 km (0.089 R)
• M11: 24,614,983 km (0.109 R)
• M12: 24,940,508 km (0.112 R)
• M13: 33,113,489 km (0.096 R)
• M14: 35,679,990 km (0.107 R)
• M15: 36,658,061 km (0.057 R)
• M16: 36,940,651 km (0.039 R)
• M17: 52,823,158 km (0.095 R)
• M18: 57,449,771 km (0.085 R)
• M19: 68,136,594 km (0.111 R)
• M20: 68,563,995 km (0.082 R)
• M21: 74,735,506 km (0.104 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 333 - 10,793 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit