🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.43

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.56 AU - 0.56 AU

Year: 155 Days

Day: 44.1 Hours

Environment

Temp: 160 °C

Axial Tilt: 4.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.44

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.82 AU - 1 AU

Year: 322 Days

Day: 32.6 Hours

Environment

Temp: 45 °C

Axial Tilt: 33 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.44

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.92 AU - 1.06 AU

Year: 365 Days

Day: 16.5 Hours

Environment

Temp: 32 °C

Axial Tilt: 15.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 109,715,969 km

• M1: 41,588 km (0.088 R)
• M2: 96,191 km (0.117 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.37

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 1.02 AU - 1.06 AU

Year: 393 Days

Day: 15.1 Hours

Environment

Temp: 4 °C

Axial Tilt: 38.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.83

Radius: 1.52

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.3 AU - 1.5 AU

Year: 614 Days

Day: 25.4 Hours

Environment

Temp: -33 °C

Axial Tilt: 36.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.56

Radius: 1.19

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.43 AU - 1.71 AU

Year: 730 Days

Day: 43.1 Hours

Environment

Temp: -54 °C

Axial Tilt: 26.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.36

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 2.62 AU - 2.68 AU

Year: 1600 Days

Day: 26.5 Hours

Environment

Temp: -101 °C

Axial Tilt: 20.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 8.7 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 14.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 95.2

Radius: 4.2

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 14.56 AU - 14.92 AU

Year: 20987 Days

Day: 19.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 109,715,969 km

• M1: 75,547 km (0.112 R)
• M2: 344,374 km (0.107 R)
• M3: 897,587 km (0.112 R)
• M4: 1,594,115 km (0.104 R)
• M5: 1,809,985 km (0.1 R)
• M6: 2,111,125 km (0.03 R)
• M7: 2,247,558 km (0.114 R)
• M8: 3,855,885 km (0.089 R)
• M9: 5,800,508 km (0.092 R)
• M10: 6,001,418 km (0.099 R)
• M11: 6,452,605 km (0.08 R)
• M12: 7,000,881 km (0.033 R)
• M13: 10,508,951 km (0.093 R)
• M14: 12,553,057 km (0.094 R)
• M15: 14,538,669 km (0.104 R)
• M16: 17,754,574 km (0.071 R)
• M17: 18,107,326 km (0.092 R)
• M18: 19,714,456 km (0.11 R)
• M19: 20,245,229 km (0.1 R)
• M20: 26,086,577 km (0.102 R)
• M21: 26,633,956 km (0.096 R)
• M22: 32,222,185 km (0.049 R)
• M23: 33,490,475 km (0.106 R)
• M24: 34,791,678 km (0.091 R)
• M25: 39,372,215 km (0.107 R)
• M26: 39,731,100 km (0.118 R)
• M27: 40,698,849 km (0.038 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 872.2

Radius: 5.3

Gravity: 31.05 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 17.38 AU - 20.6 AU

Year: 30690 Days

Day: 16.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 109,715,969 km

• M1: 78,838 km (0.072 R)
• M2: 255,364 km (0.064 R)
• M3: 595,100 km (0.116 R)
• M4: 1,281,904 km (0.089 R)
• M5: 1,799,812 km (0.037 R)
• M6: 2,153,013 km (0.099 R)
• M7: 2,909,679 km (0.057 R)
• M8: 4,337,740 km (0.094 R)
• M9: 4,607,764 km (0.106 R)
• M10: 5,354,108 km (0.12 R)
• M11: 5,756,227 km (0.114 R)
• M12: 6,372,121 km (0.084 R)
• M13: 7,030,950 km (0.07 R)
• M14: 7,513,104 km (0.091 R)
• M15: 9,663,424 km (0.071 R)
• M16: 12,192,376 km (0.114 R)
• M17: 14,271,487 km (0.098 R)
• M18: 14,696,794 km (0.099 R)
• M19: 15,932,622 km (0.055 R)
• M20: 17,718,372 km (0.059 R)
• M21: 19,116,663 km (0.09 R)
• M22: 22,130,761 km (0.119 R)
• M23: 24,588,953 km (0.097 R)
• M24: 25,200,061 km (0.115 R)
• M25: 25,571,362 km (0.112 R)
• M26: 29,080,330 km (0.099 R)
• M27: 30,737,874 km (0.105 R)
• M28: 31,304,102 km (0.106 R)
• M29: 34,695,785 km (0.06 R)
• M30: 35,309,585 km (0.085 R)
• M31: 35,930,566 km (0.037 R)
• M32: 39,977,937 km (0.042 R)
• M33: 44,859,913 km (0.077 R)
• M34: 45,771,713 km (0.092 R)
• M35: 53,514,150 km (0.111 R)
• M36: 60,523,409 km (0.112 R)
• M37: 66,458,555 km (0.079 R)
• M38: 68,359,944 km (0.096 R)
• M39: 72,769,939 km (0.076 R)
• M40: 85,449,107 km (0.083 R)
• M41: 91,430,479 km (0.118 R)
• M42: 92,014,210 km (0.098 R)
• M43: 102,009,142 km (0.105 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 397 - 15,082 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit