🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.93

Radius: 0.97

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.57 AU - 0.81 AU

Year: 204 Days

Day: 28.6 Hours

Environment

Temp: 135 °C

Axial Tilt: 26.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.53

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.69 AU - 0.75 AU

Year: 218 Days

Day: 12.1 Hours

Environment

Temp: 187 °C

Axial Tilt: 3.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.54

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.7 AU - 0.84 AU

Year: 241 Days

Day: 31.9 Hours

Environment

Temp: 120 °C

Axial Tilt: 47.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.34

Radius: 0.65

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.95 AU - 1.47 AU

Year: 474 Days

Day: 28.3 Hours

Environment

Temp: 29 °C

Axial Tilt: 11.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.31

Radius: 0.63

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 2.49 AU - 2.69 AU

Year: 1486 Days

Day: 47.9 Hours

Environment

Temp: -86 °C

Axial Tilt: 27.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.14

Radius: 0.46

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 3.68 AU - 3.74 AU

Year: 2547 Days

Day: 36.1 Hours

Environment

Temp: -108 °C

Axial Tilt: 22.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 31,490,400 km

• M1: 10,921 km (0.107 R)
• M2: 131,945 km (0.111 R)

Asteroid Belt

Center: 5.58 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 397.8

Radius: 13.6

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 6.32 AU - 8.56 AU

Year: 7234 Days

Day: 13.4 Hours

Environment

Temp: -159 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 31,490,400 km

• M1: 169,195 km (0.106 R)
• M2: 629,059 km (0.083 R)
• M3: 1,269,488 km (0.058 R)
• M4: 1,702,424 km (0.1 R)
• M5: 2,190,113 km (0.085 R)
• M6: 2,717,745 km (0.114 R)
• M7: 3,371,487 km (0.051 R)
• M8: 3,848,854 km (0.112 R)
• M9: 5,050,424 km (0.046 R)
• M10: 5,798,713 km (0.076 R)
• M11: 7,445,187 km (0.12 R)
• M12: 8,070,656 km (0.068 R)
• M13: 17,141,971 km (0.117 R)
• M14: 17,586,426 km (0.067 R)
• M15: 18,764,659 km (0.112 R)
• M16: 21,351,057 km (0.076 R)
• M17: 23,227,762 km (0.071 R)
• M18: 27,307,446 km (0.085 R)
• M19: 28,975,761 km (0.029 R)
• M20: 30,897,495 km (0.088 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 420.6

Radius: 13.7

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 7.08 AU - 8.42 AU

Year: 7690 Days

Day: 9.6 Hours

Environment

Temp: -154 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 31,490,400 km

• M1: 171,439 km (0.055 R)
• M2: 754,721 km (0.081 R)
• M3: 1,275,023 km (0.116 R)
• M4: 1,979,180 km (0.07 R)
• M5: 2,515,488 km (0.066 R)
• M6: 3,049,253 km (0.118 R)
• M7: 3,748,474 km (0.073 R)
• M8: 4,198,165 km (0.033 R)
• M9: 5,469,149 km (0.073 R)
• M10: 5,924,824 km (0.05 R)
• M11: 6,741,030 km (0.098 R)
• M12: 7,593,887 km (0.043 R)
• M13: 8,085,316 km (0.109 R)
• M14: 9,688,556 km (0.078 R)
• M15: 14,240,221 km (0.116 R)
• M16: 15,523,921 km (0.113 R)
• M17: 16,009,366 km (0.095 R)
• M18: 20,920,065 km (0.084 R)
• M19: 21,512,772 km (0.073 R)
• M20: 23,676,406 km (0.079 R)
• M21: 24,975,963 km (0.056 R)
• M22: 27,188,515 km (0.055 R)
• M23: 28,162,846 km (0.093 R)
• M24: 28,704,091 km (0.116 R)
• M25: 31,611,676 km (0.103 R)

Planet 9 - Gas Giant

Semi-Major Axis: 10.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147.5

Radius: 8.4

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 7.69 AU - 12.55 AU

Year: 11475 Days

Day: 8.7 Hours

Environment

Temp: -168 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 31,490,400 km

• M1: 106,663 km (0.104 R)
• M2: 386,860 km (0.108 R)
• M3: 960,418 km (0.08 R)
• M4: 1,668,615 km (0.098 R)
• M5: 2,413,163 km (0.095 R)
• M6: 2,778,032 km (0.113 R)
• M7: 3,383,904 km (0.079 R)
• M8: 3,663,053 km (0.078 R)
• M9: 4,441,710 km (0.082 R)
• M10: 4,937,627 km (0.093 R)
• M11: 7,405,095 km (0.109 R)
• M12: 7,730,320 km (0.072 R)
• M13: 8,763,742 km (0.034 R)
• M14: 9,671,502 km (0.03 R)
• M15: 10,016,774 km (0.093 R)
• M16: 16,234,361 km (0.116 R)
• M17: 16,599,529 km (0.094 R)
• M18: 18,180,629 km (0.111 R)
• M19: 19,243,672 km (0.12 R)
• M20: 19,721,487 km (0.046 R)
• M21: 21,712,635 km (0.104 R)
• M22: 25,106,412 km (0.112 R)
• M23: 25,924,264 km (0.107 R)
• M24: 28,133,824 km (0.107 R)

Kuiper Belt

Range: 30.8 - 47.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 394 - 16,055 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit