🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.55

Radius: 0.79

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.54 AU - 0.6 AU

Year: 193 Days

Day: 47.9 Hours

Environment

Temp: 21 °C

Axial Tilt: 38.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 66,609,595 km

• M1: 32,762 km (0.12 R)
• M2: 273,764 km (0.085 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.94

Radius: 0.98

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.85 AU - 1.29 AU

Year: 498 Days

Day: 36.3 Hours

Environment

Temp: -74 °C

Axial Tilt: 6.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 325.2

Radius: 13

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 3.62 AU - 3.9 AU

Year: 3278 Days

Day: 9.5 Hours

Environment

Temp: -173 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 66,609,595 km

• M1: 161,865 km (0.09 R)
• M2: 976,724 km (0.076 R)
• M3: 1,513,930 km (0.06 R)
• M4: 1,955,693 km (0.074 R)
• M5: 2,904,742 km (0.11 R)
• M6: 3,634,331 km (0.102 R)
• M7: 4,062,480 km (0.029 R)
• M8: 6,681,789 km (0.029 R)
• M9: 9,079,544 km (0.066 R)
• M10: 10,161,136 km (0.107 R)
• M11: 10,827,595 km (0.114 R)
• M12: 11,881,661 km (0.111 R)
• M13: 12,496,209 km (0.09 R)
• M14: 13,218,318 km (0.095 R)
• M15: 14,422,132 km (0.072 R)
• M16: 16,040,482 km (0.073 R)
• M17: 16,740,899 km (0.064 R)

Planet 4 - Gas Giant

Semi-Major Axis: 8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 80.5

Radius: 9.5

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 6.46 AU - 9.54 AU

Year: 10173 Days

Day: 5.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 66,609,595 km

• M1: 118,182 km (0.077 R)
• M2: 572,960 km (0.098 R)
• M3: 1,063,342 km (0.078 R)
• M4: 1,664,725 km (0.047 R)
• M5: 2,463,578 km (0.072 R)
• M6: 3,308,357 km (0.088 R)
• M7: 3,985,736 km (0.116 R)
• M8: 5,070,769 km (0.073 R)
• M9: 6,225,964 km (0.109 R)
• M10: 6,667,727 km (0.062 R)
• M11: 7,515,647 km (0.077 R)
• M12: 7,847,306 km (0.086 R)
• M13: 10,990,507 km (0.073 R)
• M14: 11,461,890 km (0.112 R)
• M15: 12,583,574 km (0.114 R)
• M16: 15,043,861 km (0.108 R)
• M17: 16,057,536 km (0.084 R)
• M18: 18,699,435 km (0.104 R)
• M19: 19,557,827 km (0.113 R)
• M20: 22,020,208 km (0.099 R)

Planet 5 - Ice Giant

Semi-Major Axis: 13.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 352.9

Radius: 7.6

Gravity: 6.11 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 12.67 AU - 14.75 AU

Year: 22823 Days

Day: 16.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 66,609,595 km

• M1: 109,655 km (0.113 R)
• M2: 356,941 km (0.113 R)
• M3: 812,466 km (0.112 R)
• M4: 1,072,766 km (0.094 R)
• M5: 1,360,593 km (0.083 R)
• M6: 2,153,761 km (0.11 R)
• M7: 4,319,639 km (0.116 R)
• M8: 5,309,528 km (0.088 R)
• M9: 6,360,004 km (0.03 R)
• M10: 11,775,596 km (0.1 R)
• M11: 12,027,669 km (0.081 R)
• M12: 14,461,776 km (0.081 R)
• M13: 16,489,874 km (0.072 R)
• M14: 60,801,063 km (0.065 R)
• M15: 61,934,566 km (0.087 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 267 - 20,053 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit