🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.22

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.66 AU - 0.86 AU

Year: 254 Days

Day: 17.4 Hours

Environment

Temp: 154 °C

Axial Tilt: 70.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.01

Radius: 1

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.63 AU - 1.01 AU

Year: 284 Days

Day: 41.4 Hours

Environment

Temp: 24 °C

Axial Tilt: 35.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 81,194,585 km

• M1: 117,883 km (0.112 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.8

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.86 AU - 0.88 AU

Year: 311 Days

Day: 35.2 Hours

Environment

Temp: 40 °C

Axial Tilt: 137.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 81,194,585 km

• M1: 174,282 km (0.026 R)
• M2: 396,135 km (0.117 R)

Asteroid Belt

Center: 1.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Terrestrial

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.97

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.3 AU - 2.12 AU

Year: 856 Days

Day: 18.3 Hours

Environment

Temp: -61 °C

Axial Tilt: 11.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 81,194,585 km

• M1: 31,416 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 13.9

Radius: 11.2

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 3.76 AU - 5.2 AU

Year: 3631 Days

Day: 11.5 Hours

Environment

Temp: -152 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 81,194,585 km

• M1: 139,425 km (0.116 R)
• M2: 581,786 km (0.114 R)
• M3: 1,023,997 km (0.041 R)
• M4: 1,525,449 km (0.118 R)
• M5: 2,233,197 km (0.091 R)
• M6: 2,920,749 km (0.107 R)
• M7: 3,601,270 km (0.072 R)
• M8: 5,064,636 km (0.116 R)
• M9: 5,532,877 km (0.09 R)
• M10: 5,902,833 km (0.061 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296.8

Radius: 12.7

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 5.01 AU - 7.25 AU

Year: 5811 Days

Day: 14.7 Hours

Environment

Temp: -153 °C

Axial Tilt: 101.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 81,194,585 km

• M1: 157,975 km (0.111 R)
• M2: 726,896 km (0.095 R)
• M3: 1,234,033 km (0.116 R)
• M4: 1,740,422 km (0.108 R)
• M5: 2,460,436 km (0.113 R)
• M6: 2,933,764 km (0.1 R)
• M7: 3,526,770 km (0.107 R)
• M8: 4,757,511 km (0.061 R)
• M9: 6,285,803 km (0.041 R)
• M10: 7,809,009 km (0.111 R)
• M11: 9,255,919 km (0.098 R)
• M12: 9,762,607 km (0.101 R)
• M13: 10,287,846 km (0.114 R)
• M14: 11,706,482 km (0.09 R)
• M15: 14,098,851 km (0.053 R)
• M16: 16,178,711 km (0.114 R)
• M17: 17,146,459 km (0.055 R)
• M18: 17,793,021 km (0.115 R)
• M19: 19,386,089 km (0.032 R)
• M20: 21,610,160 km (0.104 R)
• M21: 23,709,617 km (0.077 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 172.3

Radius: 7.4

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 12.85 AU - 15.49 AU

Year: 20423 Days

Day: 24 Hours

Environment

Temp: -201 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 81,194,585 km

• M1: 92,152 km (0.046 R)
• M2: 366,216 km (0.109 R)
• M3: 1,125,275 km (0.049 R)
• M4: 2,019,721 km (0.025 R)
• M5: 2,780,725 km (0.116 R)
• M6: 5,569,828 km (0.052 R)
• M7: 7,247,867 km (0.116 R)
• M8: 8,180,161 km (0.113 R)
• M9: 13,319,746 km (0.027 R)
• M10: 19,791,499 km (0.081 R)
• M11: 24,610,795 km (0.112 R)
• M12: 31,446,669 km (0.114 R)
• M13: 34,944,118 km (0.091 R)
• M14: 39,321,202 km (0.103 R)
• M15: 40,987,573 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 447.1

Radius: 3.2

Gravity: 43.66 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 17.04 AU - 17.34 AU

Year: 27289 Days

Day: 23.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 81,194,585 km

• M1: 40,691 km (0.068 R)
• M2: 176,525 km (0.049 R)
• M3: 452,683 km (0.119 R)
• M4: 759,658 km (0.077 R)
• M5: 880,533 km (0.114 R)
• M6: 1,619,547 km (0.1 R)
• M7: 2,724,028 km (0.077 R)
• M8: 3,229,519 km (0.104 R)
• M9: 3,609,497 km (0.042 R)
• M10: 5,194,786 km (0.082 R)
• M11: 6,812,388 km (0.114 R)
• M12: 7,939,009 km (0.11 R)
• M13: 10,306,396 km (0.063 R)
• M14: 11,582,914 km (0.089 R)
• M15: 16,792,211 km (0.118 R)
• M16: 20,526,174 km (0.108 R)
• M17: 21,115,141 km (0.107 R)
• M18: 24,121,759 km (0.105 R)
• M19: 26,816,017 km (0.08 R)
• M20: 26,932,404 km (0.111 R)
• M21: 29,086,015 km (0.086 R)
• M22: 38,700,221 km (0.08 R)
• M23: 44,622,502 km (0.08 R)
• M24: 46,948,001 km (0.085 R)
• M25: 53,112,779 km (0.119 R)
• M26: 59,201,562 km (0.054 R)
• M27: 64,269,938 km (0.095 R)
• M28: 72,515,623 km (0.099 R)
• M29: 79,502,292 km (0.1 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: 318 - 15,370 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit