🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.41

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.56 AU - 0.7 AU

Year: 183 Days

Day: 42 Hours

Environment

Temp: 173 °C

Axial Tilt: 34.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 23,119,705 km

• M1: 592,856 km (0.118 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.42

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.79 AU - 0.93 AU

Year: 291 Days

Day: 33.5 Hours

Environment

Temp: 89 °C

Axial Tilt: 34.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.33

Radius: 1.4

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.4 AU - 1.76 AU

Year: 725 Days

Day: 47.2 Hours

Environment

Temp: -50 °C

Axial Tilt: 17.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.46

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.93 AU - 2.25 AU

Year: 1104 Days

Day: 38.5 Hours

Environment

Temp: -72 °C

Axial Tilt: 19.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 23,119,705 km

• M1: 71,657 km (0.114 R)
• M2: 913,145 km (0.104 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.69

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.89 AU - 2.63 AU

Year: 1241 Days

Day: 47.7 Hours

Environment

Temp: -74 °C

Axial Tilt: 36 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 6.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740.4

Radius: 14.2

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 6.3 AU - 7.18 AU

Year: 6391 Days

Day: 13.5 Hours

Environment

Temp: -150 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 23,119,705 km

• M1: 176,825 km (0.119 R)
• M2: 1,542,204 km (0.083 R)
• M3: 2,518,630 km (0.113 R)
• M4: 3,996,058 km (0.11 R)
• M5: 4,938,375 km (0.117 R)
• M6: 5,645,524 km (0.105 R)
• M7: 7,190,422 km (0.04 R)
• M8: 10,571,633 km (0.096 R)
• M9: 13,176,730 km (0.092 R)
• M10: 13,790,381 km (0.092 R)
• M11: 15,074,977 km (0.106 R)
• M12: 15,746,522 km (0.093 R)
• M13: 18,634,509 km (0.075 R)
• M14: 21,781,899 km (0.038 R)
• M15: 27,099,205 km (0.04 R)
• M16: 28,001,580 km (0.088 R)
• M17: 31,122,042 km (0.091 R)
• M18: 31,614,368 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391.9

Radius: 11.8

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 7.08 AU - 8.3 AU

Year: 7789 Days

Day: 12.2 Hours

Environment

Temp: -156 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 23,119,705 km

• M1: 146,905 km (0.083 R)
• M2: 622,028 km (0.098 R)
• M3: 1,136,345 km (0.076 R)
• M4: 2,001,620 km (0.099 R)
• M5: 4,835,452 km (0.094 R)
• M6: 5,398,688 km (0.043 R)
• M7: 6,999,984 km (0.086 R)
• M8: 7,647,742 km (0.105 R)
• M9: 10,461,678 km (0.065 R)
• M10: 11,405,940 km (0.093 R)
• M11: 13,033,864 km (0.093 R)
• M12: 13,848,125 km (0.095 R)
• M13: 14,296,021 km (0.108 R)
• M14: 16,557,642 km (0.098 R)
• M15: 18,303,000 km (0.093 R)
• M16: 18,911,116 km (0.045 R)
• M17: 19,954,561 km (0.057 R)
• M18: 22,385,077 km (0.037 R)
• M19: 23,790,849 km (0.107 R)
• M20: 24,515,351 km (0.108 R)
• M21: 26,605,383 km (0.093 R)
• M22: 31,907,131 km (0.113 R)
• M23: 32,788,413 km (0.093 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.2

Radius: 15

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 6.41 AU - 9.15 AU

Year: 7926 Days

Day: 8.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 23,119,705 km

• M1: 186,549 km (0.104 R)
• M2: 753,225 km (0.105 R)
• M3: 1,356,703 km (0.066 R)
• M4: 2,637,111 km (0.119 R)
• M5: 3,975,414 km (0.076 R)
• M6: 5,005,844 km (0.077 R)
• M7: 5,816,964 km (0.099 R)
• M8: 7,350,791 km (0.065 R)
• M9: 7,918,066 km (0.096 R)
• M10: 8,400,369 km (0.113 R)
• M11: 8,902,270 km (0.1 R)
• M12: 9,755,576 km (0.11 R)
• M13: 10,618,457 km (0.081 R)
• M14: 11,438,104 km (0.107 R)
• M15: 12,496,808 km (0.093 R)
• M16: 14,152,258 km (0.118 R)
• M17: 14,976,841 km (0.043 R)
• M18: 18,276,970 km (0.104 R)
• M19: 19,188,919 km (0.037 R)
• M20: 20,474,862 km (0.074 R)
• M21: 22,547,541 km (0.091 R)
• M22: 24,365,903 km (0.116 R)
• M23: 26,198,477 km (0.089 R)
• M24: 29,602,127 km (0.084 R)

Planet 9 - Gas Giant

Semi-Major Axis: 9.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 72.8

Radius: 14.3

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 7.14 AU - 11.36 AU

Year: 10275 Days

Day: 6.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 23,119,705 km

• M1: 192,383 km (0.117 R)
• M2: 644,617 km (0.073 R)
• M3: 1,204,263 km (0.095 R)
• M4: 2,396,408 km (0.096 R)
• M5: 2,994,201 km (0.112 R)
• M6: 3,593,341 km (0.032 R)
• M7: 4,607,914 km (0.061 R)
• M8: 5,334,211 km (0.092 R)
• M9: 6,743,573 km (0.067 R)
• M10: 7,264,921 km (0.043 R)
• M11: 9,779,213 km (0.043 R)
• M12: 11,924,147 km (0.103 R)
• M13: 12,597,337 km (0.086 R)
• M14: 17,926,163 km (0.082 R)
• M15: 20,348,751 km (0.07 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: 273 - 13,087 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit