🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.7

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.01 AU - 1.55 AU

Year: 651 Days

Day: 12.5 Hours

Environment

Temp: -87 °C

Axial Tilt: 29.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 27,753,517 km

• M1: 56,398 km (0.053 R)
• M2: 167,998 km (0.051 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.54

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.9 AU - 2.34 AU

Year: 1388 Days

Day: 37.2 Hours

Environment

Temp: -136 °C

Axial Tilt: 20.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 191.5

Radius: 13.7

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 2.61 AU - 3.15 AU

Year: 2197 Days

Day: 9.2 Hours

Environment

Temp: -156 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 27,753,517 km

• M1: 172,636 km (0.101 R)
• M2: 652,396 km (0.081 R)
• M3: 1,115,103 km (0.099 R)
• M4: 1,592,619 km (0.117 R)
• M5: 2,432,761 km (0.049 R)
• M6: 3,446,885 km (0.078 R)
• M7: 4,245,438 km (0.058 R)
• M8: 5,203,612 km (0.091 R)
• M9: 5,692,349 km (0.1 R)
• M10: 6,668,624 km (0.112 R)
• M11: 8,311,658 km (0.085 R)
• M12: 9,478,521 km (0.099 R)
• M13: 10,622,795 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 327.2

Radius: 13.3

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 3.5 AU - 4.2 AU

Year: 3396 Days

Day: 6.5 Hours

Environment

Temp: -173 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 27,753,517 km

• M1: 175,777 km (0.076 R)
• M2: 620,083 km (0.106 R)
• M3: 1,592,469 km (0.12 R)
• M4: 2,114,716 km (0.11 R)
• M5: 2,634,119 km (0.049 R)
• M6: 4,049,914 km (0.046 R)
• M7: 4,706,349 km (0.08 R)
• M8: 5,650,312 km (0.1 R)
• M9: 7,254,450 km (0.115 R)
• M10: 9,110,510 km (0.057 R)
• M11: 11,701,695 km (0.086 R)
• M12: 12,651,193 km (0.045 R)
• M13: 13,429,550 km (0.091 R)
• M14: 17,385,816 km (0.077 R)
• M15: 17,969,846 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613.8

Radius: 12.7

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 4.55 AU - 4.95 AU

Year: 4654 Days

Day: 6.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 27,753,517 km

• M1: 158,723 km (0.078 R)
• M2: 823,985 km (0.091 R)
• M3: 1,320,949 km (0.095 R)
• M4: 2,087,788 km (0.111 R)
• M5: 2,639,206 km (0.05 R)
• M6: 3,404,548 km (0.101 R)
• M7: 4,850,113 km (0.095 R)
• M8: 6,576,921 km (0.085 R)
• M9: 7,666,592 km (0.044 R)
• M10: 8,911,695 km (0.093 R)
• M11: 9,502,008 km (0.1 R)
• M12: 11,025,961 km (0.1 R)
• M13: 13,609,217 km (0.052 R)
• M14: 14,986,864 km (0.073 R)
• M15: 17,165,009 km (0.09 R)
• M16: 20,476,957 km (0.065 R)
• M17: 22,140,485 km (0.062 R)
• M18: 22,642,236 km (0.089 R)
• M19: 24,725,686 km (0.032 R)
• M20: 26,130,709 km (0.118 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 427 - 12,113 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit