🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.5

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.5 AU - 0.78 AU

Year: 234 Days

Day: 22.4 Hours

Environment

Temp: -28 °C

Axial Tilt: 19.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.29

Radius: 1.11

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.91 AU - 1.25 AU

Year: 512 Days

Day: 38.7 Hours

Environment

Temp: -78 °C

Axial Tilt: 32.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.68

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.53 AU - 2.25 AU

Year: 1186 Days

Day: 40.3 Hours

Environment

Temp: -127 °C

Axial Tilt: 37.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.15 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 119.7

Radius: 14.2

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.91 AU - 2.89 AU

Year: 1698 Days

Day: 12.1 Hours

Environment

Temp: -151 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 16,365,180 km

• M1: 176,525 km (0.046 R)
• M2: 726,597 km (0.091 R)
• M3: 1,887,177 km (0.071 R)
• M4: 2,353,922 km (0.048 R)
• M5: 3,355,630 km (0.082 R)
• M6: 3,803,975 km (0.09 R)
• M7: 4,657,879 km (0.075 R)
• M8: 5,506,997 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380.8

Radius: 13.6

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 2.33 AU - 2.63 AU

Year: 1783 Days

Day: 11.3 Hours

Environment

Temp: -151 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 16,365,180 km

• M1: 169,345 km (0.098 R)
• M2: 607,816 km (0.083 R)
• M3: 1,036,863 km (0.091 R)
• M4: 1,489,097 km (0.111 R)
• M5: 1,961,677 km (0.038 R)
• M6: 2,572,335 km (0.033 R)
• M7: 3,020,231 km (0.076 R)
• M8: 3,710,177 km (0.083 R)
• M9: 4,540,295 km (0.066 R)
• M10: 5,059,699 km (0.099 R)
• M11: 5,726,756 km (0.119 R)
• M12: 7,653,427 km (0.041 R)
• M13: 8,223,993 km (0.067 R)
• M14: 8,677,724 km (0.075 R)
• M15: 9,822,746 km (0.07 R)
• M16: 10,497,582 km (0.066 R)
• M17: 11,032,245 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 426.5

Radius: 12.5

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 2.57 AU - 3.69 AU

Year: 2528 Days

Day: 12.7 Hours

Environment

Temp: -148 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 16,365,180 km

• M1: 162,613 km (0.045 R)
• M2: 662,120 km (0.05 R)
• M3: 1,066,184 km (0.119 R)
• M4: 1,743,563 km (0.067 R)
• M5: 2,500,977 km (0.04 R)
• M6: 3,079,023 km (0.07 R)
• M7: 5,185,212 km (0.067 R)
• M8: 6,080,555 km (0.108 R)
• M9: 6,885,092 km (0.031 R)
• M10: 7,818,284 km (0.052 R)
• M11: 8,330,956 km (0.083 R)
• M12: 8,833,904 km (0.086 R)
• M13: 9,524,896 km (0.076 R)
• M14: 11,201,889 km (0.092 R)
• M15: 12,130,592 km (0.08 R)
• M16: 13,109,860 km (0.112 R)
• M17: 14,407,322 km (0.073 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 237 - 15,368 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit