🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.18

Radius: 1.37

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.89 AU - 1.01 AU

Year: 327 Days

Day: 34.4 Hours

Environment

Temp: 158 °C

Axial Tilt: 81.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.12

Radius: 0.43

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.04 AU - 1.16 AU

Year: 407 Days

Day: 30.7 Hours

Environment

Temp: 29 °C

Axial Tilt: 39.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.37

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 2.11 AU - 2.99 AU

Year: 1438 Days

Day: 35.7 Hours

Environment

Temp: -83 °C

Axial Tilt: 34.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 67,424,994 km

• M1: 407,056 km (0.088 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.34

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 2.95 AU - 3.13 AU

Year: 1872 Days

Day: 29.5 Hours

Environment

Temp: -102 °C

Axial Tilt: 34 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.6

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 2.52 AU - 3.92 AU

Year: 2040 Days

Day: 25.7 Hours

Environment

Temp: -95 °C

Axial Tilt: 12.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.42

Radius: 1.64

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 3.15 AU - 4.27 AU

Year: 2523 Days

Day: 29.7 Hours

Environment

Temp: -118 °C

Axial Tilt: 21 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 67,424,994 km

• M1: 53,556 km (0.078 R)
• M2: 1,608,177 km (0.116 R)

Planet 7 - Terrestrial

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.36

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 3.57 AU - 5.43 AU

Year: 3371 Days

Day: 30.2 Hours

Environment

Temp: -115 °C

Axial Tilt: 6.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 67,424,994 km

• M1: 33,061 km (0.087 R)

Asteroid Belt

Center: 5.96 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 7.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 625.8

Radius: 10.2

Gravity: 6.01 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 7.35 AU - 7.47 AU

Year: 7122 Days

Day: 10.4 Hours

Environment

Temp: -161 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 67,424,994 km

• M1: 126,859 km (0.112 R)
• M2: 559,197 km (0.078 R)
• M3: 1,196,484 km (0.033 R)
• M4: 2,123,392 km (0.079 R)
• M5: 2,637,560 km (0.116 R)
• M6: 5,117,594 km (0.093 R)
• M7: 8,476,365 km (0.11 R)
• M8: 10,000,318 km (0.111 R)
• M9: 10,900,150 km (0.061 R)
• M10: 15,659,905 km (0.101 R)
• M11: 16,290,460 km (0.095 R)
• M12: 19,627,390 km (0.079 R)
• M13: 21,263,991 km (0.109 R)
• M14: 22,430,705 km (0.119 R)
• M15: 24,385,650 km (0.06 R)
• M16: 24,976,711 km (0.119 R)
• M17: 29,957,273 km (0.071 R)
• M18: 32,324,360 km (0.111 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 311.8

Radius: 3.9

Gravity: 20.5 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 13.95 AU - 20.03 AU

Year: 24728 Days

Day: 24.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 67,424,994 km

• M1: 48,470 km (0.095 R)
• M2: 334,950 km (0.065 R)
• M3: 475,123 km (0.087 R)
• M4: 746,493 km (0.118 R)
• M5: 1,205,609 km (0.098 R)
• M6: 1,624,633 km (0.105 R)
• M7: 2,558,872 km (0.065 R)
• M8: 3,218,299 km (0.085 R)
• M9: 3,687,588 km (0.106 R)
• M10: 4,076,093 km (0.102 R)
• M11: 4,200,858 km (0.105 R)
• M12: 4,393,091 km (0.107 R)
• M13: 4,624,519 km (0.079 R)
• M14: 5,257,318 km (0.079 R)
• M15: 6,822,860 km (0.081 R)
• M16: 7,360,963 km (0.104 R)
• M17: 9,144,768 km (0.112 R)
• M18: 9,909,961 km (0.092 R)
• M19: 12,330,156 km (0.117 R)
• M20: 12,526,129 km (0.056 R)
• M21: 13,058,997 km (0.082 R)
• M22: 14,240,969 km (0.102 R)
• M23: 14,821,259 km (0.089 R)
• M24: 16,262,037 km (0.07 R)
• M25: 18,723,071 km (0.082 R)
• M26: 19,507,114 km (0.115 R)
• M27: 20,312,848 km (0.041 R)
• M28: 24,779,840 km (0.109 R)
• M29: 26,801,356 km (0.089 R)
• M30: 28,700,950 km (0.119 R)
• M31: 35,987,862 km (0.109 R)
• M32: 38,992,685 km (0.098 R)
• M33: 39,556,519 km (0.071 R)
• M34: 44,416,057 km (0.092 R)
• M35: 45,807,317 km (0.066 R)
• M36: 51,663,026 km (0.117 R)
• M37: 65,423,786 km (0.038 R)
• M38: 66,820,432 km (0.097 R)

Kuiper Belt

Range: 31.1 - 48.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 364 - 11,164 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit