🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.17

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.56 AU - 0.88 AU

Year: 231 Days

Day: 36.7 Hours

Environment

Temp: 183 °C

Axial Tilt: 18.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 31,440,955 km

• M1: 60,587 km (0.091 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.17

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.66 AU - 1.06 AU

Year: 302 Days

Day: 46.7 Hours

Environment

Temp: 24 °C

Axial Tilt: 37.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 31,440,955 km

• M1: 71,209 km (0.073 R)
• M2: 118,033 km (0.104 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.33

Radius: 1.4

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 3.38 AU - 4.56 AU

Year: 2996 Days

Day: 47.5 Hours

Environment

Temp: -128 °C

Axial Tilt: 9.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.6 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 482.3

Radius: 10.3

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 5.07 AU - 5.37 AU

Year: 4517 Days

Day: 14.3 Hours

Environment

Temp: -139 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 31,440,955 km

• M1: 129,103 km (0.099 R)
• M2: 886,667 km (0.076 R)
• M3: 1,236,127 km (0.093 R)
• M4: 1,939,088 km (0.083 R)
• M5: 3,480,394 km (0.086 R)
• M6: 4,490,778 km (0.116 R)
• M7: 5,469,149 km (0.114 R)
• M8: 5,797,217 km (0.037 R)
• M9: 6,987,118 km (0.081 R)
• M10: 10,580,758 km (0.085 R)
• M11: 11,799,083 km (0.103 R)
• M12: 14,050,830 km (0.114 R)
• M13: 14,721,029 km (0.094 R)
• M14: 19,450,117 km (0.11 R)
• M15: 23,277,429 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 86.8

Radius: 11.8

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 6.71 AU - 6.87 AU

Year: 6701 Days

Day: 14.8 Hours

Environment

Temp: -164 °C

Axial Tilt: 58.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 31,440,955 km

• M1: 1,240,017 km (0.078 R)
• M2: 1,880,894 km (0.1 R)
• M3: 2,285,407 km (0.105 R)
• M4: 3,173,120 km (0.082 R)
• M5: 3,569,704 km (0.101 R)
• M6: 4,077,589 km (0.097 R)
• M7: 5,054,613 km (0.112 R)
• M8: 6,025,353 km (0.047 R)
• M9: 6,973,355 km (0.074 R)
• M10: 7,468,374 km (0.059 R)
• M11: 10,871,427 km (0.119 R)
• M12: 14,066,089 km (0.112 R)
• M13: 15,096,819 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 221

Radius: 13.2

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 8.4 AU - 8.56 AU

Year: 9353 Days

Day: 5.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 31,440,955 km

• M1: 164,258 km (0.078 R)
• M2: 814,560 km (0.102 R)
• M3: 1,247,796 km (0.092 R)
• M4: 2,257,282 km (0.111 R)
• M5: 3,168,932 km (0.066 R)
• M6: 4,097,336 km (0.083 R)
• M7: 6,953,758 km (0.098 R)
• M8: 8,479,058 km (0.056 R)
• M9: 12,787,028 km (0.062 R)
• M10: 15,121,054 km (0.108 R)
• M11: 20,618,327 km (0.095 R)
• M12: 28,798,039 km (0.098 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: 459 - 11,678 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit