🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.87

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.13 AU - 1.37 AU

Year: 529 Days

Day: 39.3 Hours

Environment

Temp: -27 °C

Axial Tilt: 20.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.8 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Terrestrial

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1

Radius: 1

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 2.08 AU - 2.6 AU

Year: 1356 Days

Day: 35.2 Hours

Environment

Temp: -88 °C

Axial Tilt: 24.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 66,423,728 km

• M1: 67,917 km (0.092 R)
• M2: 130,898 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 239.4

Radius: 13.8

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 3.66 AU - 4.9 AU

Year: 3354 Days

Day: 6.5 Hours

Environment

Temp: -132 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 66,423,728 km

• M1: 171,888 km (0.047 R)
• M2: 661,372 km (0.03 R)
• M3: 1,135,597 km (0.071 R)
• M4: 1,641,089 km (0.116 R)
• M5: 2,223,922 km (0.092 R)
• M6: 2,668,826 km (0.097 R)
• M7: 3,221,291 km (0.099 R)
• M8: 5,309,528 km (0.117 R)
• M9: 5,774,179 km (0.088 R)
• M10: 7,942,450 km (0.06 R)
• M11: 9,325,632 km (0.087 R)
• M12: 12,769,674 km (0.099 R)
• M13: 13,395,293 km (0.114 R)
• M14: 15,771,206 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 705.5

Radius: 11

Gravity: 5.83 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 4.62 AU - 6.6 AU

Year: 5033 Days

Day: 10.9 Hours

Environment

Temp: -162 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 66,423,728 km

• M1: 136,882 km (0.068 R)
• M2: 710,590 km (0.088 R)
• M3: 1,089,820 km (0.066 R)
• M4: 1,583,194 km (0.073 R)
• M5: 2,192,357 km (0.104 R)
• M6: 2,594,925 km (0.1 R)
• M7: 5,724,063 km (0.065 R)
• M8: 6,303,755 km (0.037 R)
• M9: 7,298,431 km (0.067 R)
• M10: 8,092,048 km (0.108 R)
• M11: 15,514,496 km (0.119 R)
• M12: 16,340,276 km (0.085 R)
• M13: 17,444,757 km (0.039 R)
• M14: 18,337,557 km (0.051 R)
• M15: 25,867,267 km (0.1 R)
• M16: 26,776,373 km (0.084 R)
• M17: 27,450,760 km (0.101 R)
• M18: 27,878,012 km (0.108 R)

Planet 5 - Ice Giant

Semi-Major Axis: 19.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 178.7

Radius: 7.5

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 18.85 AU - 19.61 AU

Year: 31939 Days

Day: 18.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 66,423,728 km

• M1: 102,026 km (0.112 R)
• M2: 541,095 km (0.049 R)
• M3: 1,193,193 km (0.06 R)
• M4: 1,428,061 km (0.081 R)
• M5: 3,085,905 km (0.088 R)
• M6: 3,819,832 km (0.082 R)
• M7: 6,137,701 km (0.071 R)
• M8: 11,249,760 km (0.068 R)
• M9: 17,077,046 km (0.066 R)
• M10: 19,163,038 km (0.102 R)
• M11: 21,883,476 km (0.104 R)
• M12: 22,456,884 km (0.114 R)
• M13: 32,302,519 km (0.104 R)
• M14: 34,824,290 km (0.117 R)
• M15: 40,828,400 km (0.117 R)
• M16: 43,621,692 km (0.114 R)
• M17: 44,225,469 km (0.114 R)
• M18: 57,143,095 km (0.102 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 331 - 14,543 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit