🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.82

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.82 AU - 1.1 AU

Year: 337 Days

Day: 12.4 Hours

Environment

Temp: 75 °C

Axial Tilt: 36.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 77,740,095 km

• M1: 68,067 km (0.086 R)
• M2: 302,636 km (0.108 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.31

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.13 AU - 1.19 AU

Year: 447 Days

Day: 23.7 Hours

Environment

Temp: 7 °C

Axial Tilt: 47.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.06

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.43 AU - 1.73 AU

Year: 711 Days

Day: 16.6 Hours

Environment

Temp: -44 °C

Axial Tilt: 14.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.34

Radius: 1.12

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 2.07 AU - 3.09 AU

Year: 1484 Days

Day: 24.9 Hours

Environment

Temp: -88 °C

Axial Tilt: 39.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.33

Radius: 0.64

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 3.48 AU - 4.38 AU

Year: 2790 Days

Day: 35.1 Hours

Environment

Temp: -110 °C

Axial Tilt: 15.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.07

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 4.01 AU - 5.27 AU

Year: 3580 Days

Day: 20.3 Hours

Environment

Temp: -131 °C

Axial Tilt: 39.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.04 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 878.7

Radius: 12.7

Gravity: 5.45 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 4.18 AU - 6.68 AU

Year: 4532 Days

Day: 9.4 Hours

Environment

Temp: -133 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 77,740,095 km

• M1: 157,975 km (0.113 R)
• M2: 670,797 km (0.066 R)
• M3: 1,077,553 km (0.074 R)
• M4: 1,537,268 km (0.047 R)
• M5: 2,488,112 km (0.083 R)
• M6: 3,114,179 km (0.105 R)
• M7: 4,213,125 km (0.118 R)
• M8: 4,865,372 km (0.065 R)
• M9: 5,555,317 km (0.119 R)
• M10: 5,969,553 km (0.065 R)
• M11: 6,564,953 km (0.096 R)
• M12: 8,827,322 km (0.045 R)
• M13: 9,311,121 km (0.105 R)
• M14: 9,983,713 km (0.109 R)
• M15: 10,961,186 km (0.102 R)
• M16: 12,595,842 km (0.034 R)
• M17: 13,366,570 km (0.095 R)
• M18: 13,790,381 km (0.088 R)
• M19: 14,664,930 km (0.12 R)
• M20: 15,230,110 km (0.118 R)
• M21: 15,809,802 km (0.074 R)
• M22: 16,524,730 km (0.116 R)
• M23: 18,998,032 km (0.089 R)
• M24: 21,275,809 km (0.09 R)
• M25: 25,630,005 km (0.106 R)
• M26: 27,886,090 km (0.084 R)
• M27: 28,666,692 km (0.113 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329.6

Radius: 14.8

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 8.14 AU - 12.26 AU

Year: 11667 Days

Day: 11.5 Hours

Environment

Temp: -173 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 77,740,095 km

• M1: 184,005 km (0.118 R)
• M2: 990,787 km (0.116 R)
• M3: 1,504,207 km (0.081 R)
• M4: 2,101,551 km (0.082 R)
• M5: 2,738,239 km (0.062 R)
• M6: 3,836,138 km (0.1 R)
• M7: 5,812,027 km (0.088 R)
• M8: 6,929,822 km (0.099 R)
• M9: 9,918,488 km (0.112 R)
• M10: 11,723,836 km (0.06 R)
• M11: 13,680,576 km (0.039 R)
• M12: 16,439,160 km (0.079 R)
• M13: 18,448,709 km (0.059 R)
• M14: 19,625,146 km (0.095 R)
• M15: 21,323,680 km (0.047 R)
• M16: 23,034,781 km (0.116 R)
• M17: 31,621,100 km (0.032 R)
• M18: 37,080,375 km (0.087 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 953.2

Radius: 3.8

Gravity: 66.01 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 11.27 AU - 15.47 AU

Year: 17509 Days

Day: 22.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 77,740,095 km

• M1: 67,618 km (0.067 R)
• M2: 255,962 km (0.107 R)
• M3: 897,288 km (0.105 R)
• M4: 1,397,095 km (0.049 R)
• M5: 1,922,632 km (0.089 R)
• M6: 3,265,422 km (0.103 R)
• M7: 3,435,814 km (0.082 R)
• M8: 3,732,916 km (0.076 R)
• M9: 3,887,749 km (0.109 R)
• M10: 6,575,574 km (0.106 R)
• M11: 7,033,045 km (0.071 R)
• M12: 7,221,837 km (0.05 R)
• M13: 16,912,937 km (0.114 R)
• M14: 20,034,446 km (0.079 R)
• M15: 33,884,067 km (0.1 R)
• M16: 39,676,946 km (0.074 R)
• M17: 40,425,683 km (0.09 R)
• M18: 40,576,478 km (0.112 R)
• M19: 43,831,877 km (0.092 R)
• M20: 44,792,894 km (0.084 R)
• M21: 46,591,210 km (0.091 R)
• M22: 55,003,098 km (0.048 R)
• M23: 59,760,011 km (0.087 R)
• M24: 64,371,964 km (0.12 R)

Kuiper Belt

Range: 30.6 - 58.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 195 - 15,599 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit