🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.2

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.47 AU - 0.57 AU

Year: 141 Days

Day: 40.9 Hours

Environment

Temp: 184 °C

Axial Tilt: 37.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.47

Radius: 0.74

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.51 AU - 0.67 AU

Year: 170 Days

Day: 21.7 Hours

Environment

Temp: 219 °C

Axial Tilt: 0.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.84

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.71 AU - 1.05 AU

Year: 309 Days

Day: 36.1 Hours

Environment

Temp: 47 °C

Axial Tilt: 6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.3

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.35 AU - 2.07 AU

Year: 838 Days

Day: 39.1 Hours

Environment

Temp: -64 °C

Axial Tilt: 3.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 81,450,968 km

• M1: 1,491,940 km (0.101 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.84

Radius: 1.28

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.9 AU - 3 AU

Year: 1437 Days

Day: 16.2 Hours

Environment

Temp: -87 °C

Axial Tilt: 13 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.4

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 2.34 AU - 3.86 AU

Year: 2045 Days

Day: 41.4 Hours

Environment

Temp: -122 °C

Axial Tilt: 1.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.64

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 3.04 AU - 3.2 AU

Year: 2065 Days

Day: 14.4 Hours

Environment

Temp: -118 °C

Axial Tilt: 1.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.67 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 6.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 885.9

Radius: 14.9

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 5.75 AU - 6.69 AU

Year: 5813 Days

Day: 11.8 Hours

Environment

Temp: -156 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 81,450,968 km

• M1: 188,194 km (0.111 R)
• M2: 874,100 km (0.111 R)
• M3: 1,416,243 km (0.077 R)
• M4: 1,887,925 km (0.098 R)
• M5: 2,382,047 km (0.045 R)
• M6: 3,549,509 km (0.063 R)
• M7: 4,763,495 km (0.109 R)
• M8: 5,603,787 km (0.026 R)
• M9: 7,808,560 km (0.067 R)
• M10: 9,539,557 km (0.111 R)
• M11: 10,732,301 km (0.064 R)
• M12: 12,705,198 km (0.075 R)
• M13: 14,321,752 km (0.081 R)
• M14: 17,031,269 km (0.109 R)
• M15: 25,016,354 km (0.081 R)
• M16: 28,274,297 km (0.074 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 444.3

Radius: 7

Gravity: 9.07 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 14.51 AU - 20.55 AU

Year: 27504 Days

Day: 23.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 81,450,968 km

• M1: 87,066 km (0.068 R)
• M2: 305,628 km (0.071 R)
• M3: 577,597 km (0.07 R)
• M4: 1,254,528 km (0.116 R)
• M5: 1,500,616 km (0.074 R)
• M6: 1,911,711 km (0.09 R)
• M7: 5,216,627 km (0.08 R)
• M8: 16,376,180 km (0.056 R)
• M9: 17,573,860 km (0.116 R)
• M10: 19,198,194 km (0.102 R)
• M11: 21,919,978 km (0.087 R)
• M12: 23,585,301 km (0.063 R)
• M13: 30,329,622 km (0.044 R)
• M14: 30,837,207 km (0.097 R)
• M15: 33,191,579 km (0.085 R)
• M16: 36,799,879 km (0.119 R)
• M17: 37,232,367 km (0.078 R)
• M18: 37,814,303 km (0.108 R)
• M19: 39,747,406 km (0.105 R)
• M20: 44,948,475 km (0.111 R)
• M21: 45,774,106 km (0.119 R)
• M22: 59,797,710 km (0.07 R)
• M23: 61,400,501 km (0.061 R)
• M24: 70,731,369 km (0.12 R)
• M25: 70,953,672 km (0.101 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 444 - 11,114 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit