🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.02

Radius: 1.01

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.74 AU - 0.78 AU

Year: 248 Days

Day: 47.3 Hours

Environment

Temp: 137 °C

Axial Tilt: 21.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.04

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 0.82 AU - 0.84 AU

Year: 283 Days

Day: 38.3 Hours

Environment

Temp: 100 °C

Axial Tilt: 38.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.94

Radius: 0.98

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.86 AU - 1.06 AU

Year: 352 Days

Day: 24.7 Hours

Environment

Temp: 25 °C

Axial Tilt: 33.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 53,864,121 km

• M1: 37,549 km (0.09 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.15

Radius: 1.06

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 3.33 AU - 4.29 AU

Year: 2787 Days

Day: 23.9 Hours

Environment

Temp: -132 °C

Axial Tilt: 65.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.72 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 797.4

Radius: 15

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 6.19 AU - 9.07 AU

Year: 7898 Days

Day: 9.6 Hours

Environment

Temp: -173 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 53,864,121 km

• M1: 186,549 km (0.097 R)
• M2: 655,837 km (0.057 R)
• M3: 1,344,735 km (0.115 R)
• M4: 4,611,803 km (0.111 R)
• M5: 6,079,957 km (0.078 R)
• M6: 9,591,916 km (0.085 R)
• M7: 10,760,126 km (0.119 R)
• M8: 11,537,287 km (0.08 R)
• M9: 13,320,643 km (0.085 R)
• M10: 13,853,810 km (0.099 R)
• M11: 14,524,906 km (0.064 R)
• M12: 21,740,311 km (0.079 R)
• M13: 25,430,292 km (0.115 R)
• M14: 29,619,032 km (0.092 R)
• M15: 32,299,377 km (0.099 R)
• M16: 33,372,143 km (0.091 R)
• M17: 38,376,192 km (0.045 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 292.9

Radius: 7.1

Gravity: 5.81 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 10.98 AU - 15.66 AU

Year: 18217 Days

Day: 22.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 53,864,121 km

• M1: 88,263 km (0.027 R)
• M2: 371,601 km (0.114 R)
• M3: 637,736 km (0.099 R)
• M4: 1,737,280 km (0.08 R)
• M5: 2,681,841 km (0.076 R)
• M6: 3,581,822 km (0.094 R)
• M7: 3,876,530 km (0.088 R)
• M8: 6,650,224 km (0.077 R)
• M9: 9,532,227 km (0.112 R)
• M10: 10,311,632 km (0.045 R)
• M11: 12,055,793 km (0.107 R)
• M12: 13,343,532 km (0.095 R)
• M13: 13,598,895 km (0.104 R)
• M14: 14,720,580 km (0.105 R)
• M15: 18,931,461 km (0.11 R)
• M16: 19,993,157 km (0.096 R)
• M17: 20,836,590 km (0.097 R)
• M18: 28,141,005 km (0.117 R)
• M19: 29,847,169 km (0.091 R)
• M20: 31,847,741 km (0.093 R)
• M21: 42,787,534 km (0.106 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 283 - 12,197 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit