🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.04

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.83 AU - 1.09 AU

Year: 342 Days

Day: 26.6 Hours

Environment

Temp: 113 °C

Axial Tilt: 23.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.1

Radius: 0.4

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.01 AU - 1.59 AU

Year: 539 Days

Day: 16.2 Hours

Environment

Temp: -14 °C

Axial Tilt: 24.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 77,881,567 km

• M1: 186,848 km (0.103 R)
• M2: 249,978 km (0.046 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.23

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.37 AU - 1.79 AU

Year: 722 Days

Day: 40.7 Hours

Environment

Temp: -32 °C

Axial Tilt: 0 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 77,881,567 km

• M1: 207,791 km (0.073 R)

Planet 4 - Terrestrial

Semi-Major Axis: 4.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.54

Radius: 0.78

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 4.02 AU - 4.38 AU

Year: 3128 Days

Day: 13.8 Hours

Environment

Temp: -129 °C

Axial Tilt: 0.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 77,881,567 km

• M1: 1,349,822 km (0.104 R)

Asteroid Belt

Center: 4.87 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 587.3

Radius: 13.4

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 4.77 AU - 6.31 AU

Year: 4739 Days

Day: 6.6 Hours

Environment

Temp: -144 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 77,881,567 km

• M1: 175,628 km (0.112 R)
• M2: 702,212 km (0.092 R)
• M3: 1,296,415 km (0.079 R)
• M4: 2,161,689 km (0.094 R)
• M5: 2,844,604 km (0.096 R)
• M6: 3,383,754 km (0.109 R)
• M7: 4,012,813 km (0.038 R)
• M8: 4,620,330 km (0.073 R)
• M9: 6,915,910 km (0.102 R)
• M10: 7,722,242 km (0.109 R)
• M11: 8,478,459 km (0.072 R)
• M12: 9,807,038 km (0.119 R)
• M13: 12,339,580 km (0.099 R)
• M14: 13,022,943 km (0.118 R)
• M15: 16,648,747 km (0.038 R)
• M16: 18,283,702 km (0.12 R)
• M17: 19,496,791 km (0.082 R)
• M18: 21,450,839 km (0.078 R)
• M19: 23,237,636 km (0.069 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 195.7

Radius: 13.6

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 7.71 AU - 8.61 AU

Year: 8472 Days

Day: 14.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 77,881,567 km

• M1: 187,596 km (0.068 R)
• M2: 935,286 km (0.105 R)
• M3: 1,722,919 km (0.037 R)
• M4: 4,119,626 km (0.108 R)
• M5: 6,962,734 km (0.114 R)
• M6: 8,543,834 km (0.045 R)
• M7: 9,479,269 km (0.09 R)
• M8: 18,039,409 km (0.064 R)
• M9: 18,990,851 km (0.087 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 303.5

Radius: 6

Gravity: 8.43 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 16.5 AU - 17.92 AU

Year: 25948 Days

Day: 20.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 77,881,567 km

• M1: 75,397 km (0.109 R)
• M2: 263,741 km (0.108 R)
• M3: 469,887 km (0.11 R)
• M4: 759,658 km (0.106 R)
• M5: 1,653,505 km (0.059 R)
• M6: 1,880,296 km (0.047 R)
• M7: 2,665,984 km (0.047 R)
• M8: 2,880,507 km (0.043 R)
• M9: 3,594,388 km (0.072 R)
• M10: 4,894,992 km (0.073 R)
• M11: 6,827,497 km (0.106 R)
• M12: 7,049,650 km (0.1 R)
• M13: 9,822,297 km (0.115 R)
• M14: 10,570,286 km (0.094 R)
• M15: 15,037,279 km (0.096 R)
• M16: 20,253,158 km (0.045 R)
• M17: 22,228,897 km (0.06 R)
• M18: 23,313,482 km (0.111 R)
• M19: 23,817,926 km (0.078 R)
• M20: 35,897,056 km (0.115 R)
• M21: 38,778,012 km (0.11 R)
• M22: 39,485,909 km (0.088 R)
• M23: 40,636,616 km (0.111 R)
• M24: 46,250,126 km (0.118 R)
• M25: 46,567,424 km (0.104 R)
• M26: 47,689,557 km (0.106 R)
• M27: 53,223,631 km (0.111 R)
• M28: 58,242,341 km (0.112 R)
• M29: 62,787,722 km (0.099 R)
• M30: 64,947,766 km (0.03 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 361.2

Radius: 4.7

Gravity: 16.35 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 15.89 AU - 20.77 AU

Year: 28522 Days

Day: 21.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 77,881,567 km

• M1: 84,074 km (0.096 R)
• M2: 440,865 km (0.08 R)
• M3: 592,258 km (0.079 R)
• M4: 810,521 km (0.08 R)
• M5: 1,556,416 km (0.028 R)
• M6: 5,620,691 km (0.12 R)
• M7: 6,778,579 km (0.11 R)
• M8: 10,688,319 km (0.071 R)
• M9: 11,776,195 km (0.089 R)
• M10: 12,381,019 km (0.087 R)
• M11: 14,244,410 km (0.088 R)
• M12: 19,241,278 km (0.091 R)
• M13: 20,844,219 km (0.117 R)
• M14: 21,136,085 km (0.038 R)
• M15: 21,430,643 km (0.096 R)
• M16: 23,255,737 km (0.098 R)
• M17: 26,981,173 km (0.093 R)
• M18: 27,677,551 km (0.115 R)
• M19: 28,984,887 km (0.116 R)
• M20: 36,424,239 km (0.11 R)
• M21: 36,706,231 km (0.08 R)
• M22: 47,514,976 km (0.117 R)
• M23: 48,870,782 km (0.098 R)
• M24: 50,601,629 km (0.116 R)
• M25: 60,461,027 km (0.081 R)

Kuiper Belt

Range: 30.2 - 51.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 424 - 15,057 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit