🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.95

Radius: 0.98

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.57 AU - 0.69 AU

Year: 191 Days

Day: 19.3 Hours

Environment

Temp: 164 °C

Axial Tilt: 12.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 59,146,164 km

• M1: 30,518 km (0.12 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.1

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.61 AU - 0.97 AU

Year: 269 Days

Day: 15.9 Hours

Environment

Temp: 68 °C

Axial Tilt: 46.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.82

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.94 AU - 0.98 AU

Year: 360 Days

Day: 35 Hours

Environment

Temp: 28 °C

Axial Tilt: 22.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 59,146,164 km

• M1: 69,713 km (0.085 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.31

Radius: 1.61

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.19 AU - 1.77 AU

Year: 689 Days

Day: 17.8 Hours

Environment

Temp: -62 °C

Axial Tilt: 8.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 5.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 265.5

Radius: 10.2

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 5.28 AU - 5.32 AU

Year: 4672 Days

Day: 12.7 Hours

Environment

Temp: -144 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 59,146,164 km

• M1: 127,009 km (0.067 R)
• M2: 547,678 km (0.084 R)
• M3: 993,180 km (0.097 R)
• M4: 1,320,351 km (0.105 R)
• M5: 1,665,323 km (0.044 R)
• M6: 2,045,452 km (0.111 R)
• M7: 3,819,533 km (0.094 R)
• M8: 4,577,096 km (0.069 R)
• M9: 4,921,022 km (0.07 R)
• M10: 6,530,545 km (0.063 R)
• M11: 6,908,280 km (0.091 R)
• M12: 7,486,625 km (0.066 R)
• M13: 7,868,399 km (0.091 R)
• M14: 8,263,038 km (0.12 R)
• M15: 9,453,688 km (0.113 R)
• M16: 9,787,141 km (0.109 R)
• M17: 10,244,163 km (0.111 R)
• M18: 12,215,863 km (0.032 R)
• M19: 13,245,096 km (0.062 R)
• M20: 14,525,953 km (0.114 R)
• M21: 14,920,892 km (0.085 R)
• M22: 15,526,763 km (0.093 R)
• M23: 19,215,248 km (0.083 R)

Planet 6 - Ice Giant

Semi-Major Axis: 18.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 128.8

Radius: 4.8

Gravity: 5.59 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 17.97 AU - 19.95 AU

Year: 31610 Days

Day: 22.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 59,146,164 km

• M1: 59,839 km (0.091 R)
• M2: 1,039,406 km (0.107 R)
• M3: 2,658,803 km (0.101 R)
• M4: 3,841,225 km (0.099 R)
• M5: 4,468,638 km (0.082 R)
• M6: 4,990,735 km (0.099 R)
• M7: 7,053,839 km (0.114 R)
• M8: 7,805,718 km (0.093 R)
• M9: 11,588,150 km (0.114 R)
• M10: 11,767,967 km (0.071 R)
• M11: 15,548,903 km (0.1 R)
• M12: 19,639,358 km (0.1 R)
• M13: 33,844,573 km (0.09 R)
• M14: 37,250,019 km (0.1 R)
• M15: 42,278,004 km (0.101 R)
• M16: 43,421,530 km (0.119 R)
• M17: 48,357,063 km (0.111 R)
• M18: 50,879,133 km (0.061 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 519 - 20,021 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit