🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.8

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.53 AU - 0.69 AU

Year: 167 Days

Day: 13.9 Hours

Environment

Temp: 242 °C

Axial Tilt: 19.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 31,785,782 km

• M1: 53,556 km (0.101 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.75

Radius: 0.89

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.6 AU - 0.66 AU

Year: 176 Days

Day: 22.1 Hours

Environment

Temp: 240 °C

Axial Tilt: 33.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.47

Radius: 1.17

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.05 AU - 1.19 AU

Year: 417 Days

Day: 44.1 Hours

Environment

Temp: 33 °C

Axial Tilt: 36.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 31,785,782 km

• M1: 93,349 km (0.063 R)
• M2: 543,788 km (0.091 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.49 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.04

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.35 AU - 1.63 AU

Year: 639 Days

Day: 28.3 Hours

Environment

Temp: 8 °C

Axial Tilt: 89.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.03

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 2.35 AU - 2.45 AU

Year: 1307 Days

Day: 16.6 Hours

Environment

Temp: -69 °C

Axial Tilt: 15.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 31,785,782 km

• M1: 186,997 km (0.098 R)
• M2: 1,369,419 km (0.104 R)

Planet 6 - Terrestrial

Semi-Major Axis: 5.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.13

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 4.75 AU - 5.41 AU

Year: 4024 Days

Day: 32.7 Hours

Environment

Temp: -122 °C

Axial Tilt: 2.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 31,785,782 km

• M1: 979,268 km (0.058 R)

Asteroid Belt

Center: 10.58 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 16.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 841.9

Radius: 7.1

Gravity: 16.7 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 13.19 AU - 18.97 AU

Year: 22662 Days

Day: 21.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 31,785,782 km

• M1: 89,011 km (0.064 R)
• M2: 500,405 km (0.102 R)
• M3: 955,631 km (0.102 R)
• M4: 1,251,536 km (0.062 R)
• M5: 2,453,854 km (0.103 R)
• M6: 2,854,327 km (0.089 R)
• M7: 3,385,699 km (0.083 R)
• M8: 3,948,037 km (0.1 R)
• M9: 5,060,298 km (0.056 R)
• M10: 6,505,413 km (0.094 R)
• M11: 9,394,148 km (0.11 R)
• M12: 10,627,882 km (0.116 R)
• M13: 11,485,676 km (0.047 R)
• M14: 11,758,542 km (0.112 R)
• M15: 13,639,885 km (0.1 R)
• M16: 15,135,565 km (0.085 R)
• M17: 15,880,861 km (0.058 R)
• M18: 16,134,729 km (0.098 R)
• M19: 18,729,803 km (0.101 R)
• M20: 19,685,584 km (0.082 R)
• M21: 23,725,026 km (0.091 R)
• M22: 24,168,134 km (0.119 R)
• M23: 24,391,783 km (0.077 R)
• M24: 25,530,821 km (0.114 R)
• M25: 35,659,495 km (0.074 R)
• M26: 43,061,298 km (0.032 R)
• M27: 45,229,121 km (0.116 R)
• M28: 48,172,160 km (0.106 R)
• M29: 50,142,962 km (0.106 R)
• M30: 50,507,084 km (0.091 R)
• M31: 51,056,407 km (0.106 R)
• M32: 53,863,162 km (0.075 R)
• M33: 58,968,788 km (0.077 R)
• M34: 60,396,550 km (0.106 R)
• M35: 63,746,196 km (0.099 R)
• M36: 64,387,821 km (0.112 R)
• M37: 69,676,255 km (0.084 R)
• M38: 73,124,337 km (0.047 R)
• M39: 79,121,117 km (0.092 R)
• M40: 82,872,134 km (0.102 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 26.3

Radius: 8

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 17.02 AU - 19.62 AU

Year: 27559 Days

Day: 19.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 31,785,782 km

• M1: 99,782 km (0.117 R)
• M2: 490,083 km (0.108 R)
• M3: 1,541,157 km (0.099 R)
• M4: 2,052,333 km (0.05 R)
• M5: 3,495,354 km (0.086 R)
• M6: 6,410,718 km (0.049 R)
• M7: 7,291,699 km (0.079 R)
• M8: 11,108,240 km (0.059 R)
• M9: 11,392,476 km (0.063 R)
• M10: 13,790,530 km (0.083 R)
• M11: 14,063,995 km (0.092 R)
• M12: 15,722,138 km (0.108 R)
• M13: 20,678,465 km (0.109 R)
• M14: 22,212,142 km (0.118 R)
• M15: 23,898,709 km (0.057 R)
• M16: 26,585,935 km (0.077 R)

Kuiper Belt

Range: 31.2 - 52.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 464 - 13,431 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit