🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.26

Radius: 1.1

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.44 AU - 0.64 AU

Year: 147 Days

Day: 21 Hours

Environment

Temp: 180 °C

Axial Tilt: 21.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 49,847,641 km

• M1: 70,610 km (0.087 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.72

Radius: 0.88

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.71 AU - 0.85 AU

Year: 255 Days

Day: 38.5 Hours

Environment

Temp: 161 °C

Axial Tilt: 36 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 49,847,641 km

• M1: 21,392 km (0.055 R)
• M2: 375,341 km (0.087 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.4

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.12 AU - 1.28 AU

Year: 488 Days

Day: 26.8 Hours

Environment

Temp: -11 °C

Axial Tilt: 21.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 49,847,641 km

• M1: 126,859 km (0.089 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.18

Radius: 1.37

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.29 AU - 1.65 AU

Year: 661 Days

Day: 31.5 Hours

Environment

Temp: -33 °C

Axial Tilt: 19.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.7

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.25 AU - 2.01 AU

Year: 772 Days

Day: 36.5 Hours

Environment

Temp: -41 °C

Axial Tilt: 34.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 49,847,641 km

• M1: 614,997 km (0.084 R)
• M2: 1,207,255 km (0.051 R)

Asteroid Belt

Center: 5.26 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 8.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 231.7

Radius: 14.3

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 7.38 AU - 10.38 AU

Year: 9813 Days

Day: 5.5 Hours

Environment

Temp: -179 °C

Axial Tilt: 90 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 49,847,641 km

• M1: 421,118 km (0.092 R)
• M2: 1,389,166 km (0.098 R)
• M3: 1,866,533 km (0.037 R)
• M4: 2,505,465 km (0.054 R)
• M5: 3,497,299 km (0.083 R)
• M6: 5,816,066 km (0.116 R)
• M7: 6,479,233 km (0.106 R)
• M8: 7,052,792 km (0.103 R)
• M9: 8,980,061 km (0.115 R)
• M10: 10,356,212 km (0.073 R)
• M11: 11,720,993 km (0.106 R)
• M12: 12,782,091 km (0.078 R)
• M13: 13,416,535 km (0.087 R)
• M14: 13,961,371 km (0.109 R)
• M15: 14,691,558 km (0.066 R)
• M16: 17,740,063 km (0.048 R)
• M17: 21,928,056 km (0.067 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 885

Radius: 7.2

Gravity: 17.07 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 11.56 AU - 13.52 AU

Year: 16468 Days

Day: 17.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 49,847,641 km

• M1: 90,507 km (0.1 R)
• M2: 715,975 km (0.044 R)
• M3: 1,844,691 km (0.093 R)
• M4: 3,127,643 km (0.111 R)
• M5: 3,425,791 km (0.109 R)
• M6: 3,893,434 km (0.108 R)
• M7: 4,142,814 km (0.11 R)
• M8: 5,830,577 km (0.091 R)
• M9: 6,368,381 km (0.102 R)
• M10: 6,938,948 km (0.079 R)
• M11: 11,037,929 km (0.114 R)
• M12: 16,191,726 km (0.117 R)
• M13: 18,271,435 km (0.107 R)
• M14: 20,994,416 km (0.069 R)
• M15: 27,004,360 km (0.105 R)
• M16: 28,029,106 km (0.12 R)
• M17: 31,259,073 km (0.059 R)
• M18: 36,763,378 km (0.105 R)
• M19: 39,452,698 km (0.026 R)
• M20: 47,642,284 km (0.113 R)
• M21: 49,304,915 km (0.073 R)
• M22: 53,986,281 km (0.074 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 103.1

Radius: 4.6

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 14.17 AU - 20.99 AU

Year: 27336 Days

Day: 24.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 49,847,641 km

• M1: 61,485 km (0.063 R)
• M2: 647,310 km (0.083 R)
• M3: 1,104,032 km (0.106 R)
• M4: 1,374,804 km (0.052 R)
• M5: 1,766,452 km (0.083 R)
• M6: 2,014,186 km (0.032 R)
• M7: 2,538,526 km (0.107 R)
• M8: 3,102,510 km (0.038 R)
• M9: 4,385,910 km (0.119 R)
• M10: 5,063,439 km (0.11 R)
• M11: 9,473,584 km (0.088 R)
• M12: 17,727,647 km (0.03 R)
• M13: 26,616,004 km (0.041 R)
• M14: 32,059,272 km (0.119 R)
• M15: 33,184,697 km (0.08 R)
• M16: 35,872,672 km (0.116 R)
• M17: 47,495,678 km (0.088 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 529 - 13,668 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit