🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.5

Radius: 1.83

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.4 AU - 0.62 AU

Year: 136 Days

Day: 15.4 Hours

Environment

Temp: 249 °C

Axial Tilt: 33.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 63,405,084 km

• M1: 258,954 km (0.093 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.64

Radius: 0.84

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.59 AU - 0.67 AU

Year: 186 Days

Day: 28.8 Hours

Environment

Temp: 126 °C

Axial Tilt: 48.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.11

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.99 AU - 1.23 AU

Year: 436 Days

Day: 29.2 Hours

Environment

Temp: -0 °C

Axial Tilt: 47.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 63,405,084 km

• M1: 216,618 km (0.07 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.03

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.1 AU - 1.22 AU

Year: 466 Days

Day: 27.7 Hours

Environment

Temp: 4 °C

Axial Tilt: 32 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.04

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 2.07 AU - 2.41 AU

Year: 1250 Days

Day: 17.6 Hours

Environment

Temp: -78 °C

Axial Tilt: 22.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.86

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 3.17 AU - 3.33 AU

Year: 2184 Days

Day: 17.7 Hours

Environment

Temp: -121 °C

Axial Tilt: 39.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 63,405,084 km

• M1: 35,455 km (0.103 R)

Asteroid Belt

Center: 5.19 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 7.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 194

Radius: 12.1

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 6.84 AU - 7.4 AU

Year: 7082 Days

Day: 14.1 Hours

Environment

Temp: -160 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 63,405,084 km

• M1: 164,258 km (0.074 R)
• M2: 696,228 km (0.1 R)
• M3: 1,216,380 km (0.108 R)
• M4: 3,809,809 km (0.088 R)
• M5: 4,802,989 km (0.082 R)
• M6: 5,493,383 km (0.087 R)
• M7: 6,545,954 km (0.103 R)
• M8: 7,494,255 km (0.075 R)
• M9: 9,010,579 km (0.065 R)
• M10: 10,388,525 km (0.052 R)
• M11: 11,193,062 km (0.09 R)
• M12: 14,364,986 km (0.106 R)
• M13: 16,184,395 km (0.077 R)
• M14: 16,577,239 km (0.106 R)
• M15: 19,825,907 km (0.079 R)
• M16: 21,871,209 km (0.09 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 536.1

Radius: 7.2

Gravity: 10.34 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 9.93 AU - 15.21 AU

Year: 16613 Days

Day: 21.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 63,405,084 km

• M1: 108,159 km (0.117 R)
• M2: 432,637 km (0.029 R)
• M3: 766,539 km (0.111 R)
• M4: 1,506,750 km (0.084 R)
• M5: 1,810,733 km (0.103 R)
• M6: 2,394,912 km (0.081 R)
• M7: 3,172,971 km (0.113 R)
• M8: 4,049,315 km (0.107 R)
• M9: 6,111,971 km (0.109 R)
• M10: 6,975,001 km (0.104 R)
• M11: 7,324,312 km (0.118 R)
• M12: 7,731,068 km (0.103 R)
• M13: 8,639,576 km (0.088 R)
• M14: 10,327,489 km (0.116 R)
• M15: 11,367,942 km (0.093 R)
• M16: 12,476,462 km (0.113 R)
• M17: 12,991,677 km (0.056 R)
• M18: 13,995,629 km (0.077 R)
• M19: 14,906,829 km (0.055 R)
• M20: 15,340,514 km (0.111 R)
• M21: 26,401,182 km (0.064 R)
• M22: 31,887,085 km (0.063 R)
• M23: 33,092,844 km (0.089 R)
• M24: 37,420,262 km (0.079 R)
• M25: 52,802,812 km (0.107 R)
• M26: 53,473,011 km (0.114 R)
• M27: 54,318,538 km (0.106 R)
• M28: 60,671,511 km (0.088 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 440.8

Radius: 6.3

Gravity: 11.11 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 11.34 AU - 16.12 AU

Year: 18965 Days

Day: 23.1 Hours

Environment

Temp: -194 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 63,405,084 km

• M1: 78,389 km (0.106 R)
• M2: 332,855 km (0.075 R)
• M3: 1,079,797 km (0.046 R)
• M4: 2,272,392 km (0.094 R)
• M5: 4,571,861 km (0.099 R)
• M6: 5,008,686 km (0.056 R)
• M7: 5,290,977 km (0.063 R)
• M8: 6,323,053 km (0.115 R)
• M9: 8,234,016 km (0.047 R)
• M10: 8,627,758 km (0.086 R)
• M11: 11,867,898 km (0.102 R)
• M12: 15,539,030 km (0.115 R)
• M13: 21,337,294 km (0.036 R)
• M14: 24,110,988 km (0.113 R)
• M15: 33,113,339 km (0.076 R)
• M16: 40,357,766 km (0.071 R)
• M17: 45,478,351 km (0.059 R)
• M18: 58,053,847 km (0.066 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 375 - 14,055 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit