🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.27

Radius: 1.1

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.61 AU - 0.67 AU

Year: 180 Days

Day: 33.9 Hours

Environment

Temp: 150 °C

Axial Tilt: 34.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.53 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.56

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.51 AU - 1.55 AU

Year: 665 Days

Day: 21.3 Hours

Environment

Temp: 2 °C

Axial Tilt: 25.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 60,851,727 km

• M1: 1,103,883 km (0.077 R)

Asteroid Belt

Center: 1.89 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Terrestrial

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.19

Radius: 1.07

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 2.07 AU - 2.41 AU

Year: 1178 Days

Day: 20.4 Hours

Environment

Temp: -66 °C

Axial Tilt: 135.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.46

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 2.31 AU - 3.61 AU

Year: 1790 Days

Day: 23.2 Hours

Environment

Temp: -94 °C

Axial Tilt: 33.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.59

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 4.39 AU - 5.11 AU

Year: 3638 Days

Day: 26.5 Hours

Environment

Temp: -120 °C

Axial Tilt: 32.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 60,851,727 km

• M1: 30,368 km (0.053 R)

Planet 6 - Gas Giant

Semi-Major Axis: 13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 310.5

Radius: 10.6

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 10.04 AU - 15.96 AU

Year: 16474 Days

Day: 14.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 60,851,727 km

• M1: 135,087 km (0.088 R)
• M2: 779,854 km (0.071 R)
• M3: 1,473,838 km (0.111 R)
• M4: 3,385,849 km (0.032 R)
• M5: 4,092,100 km (0.091 R)
• M6: 5,183,417 km (0.092 R)
• M7: 5,761,912 km (0.112 R)
• M8: 6,612,375 km (0.1 R)
• M9: 7,007,463 km (0.118 R)
• M10: 8,153,533 km (0.096 R)
• M11: 8,516,158 km (0.083 R)
• M12: 9,469,844 km (0.083 R)
• M13: 14,265,204 km (0.062 R)
• M14: 15,816,833 km (0.113 R)
• M15: 18,622,093 km (0.041 R)
• M16: 19,014,338 km (0.089 R)
• M17: 19,734,353 km (0.064 R)
• M18: 22,619,497 km (0.102 R)
• M19: 25,197,667 km (0.104 R)
• M20: 27,054,775 km (0.051 R)
• M21: 29,848,515 km (0.103 R)
• M22: 34,686,061 km (0.117 R)
• M23: 35,041,955 km (0.062 R)
• M24: 35,400,242 km (0.092 R)
• M25: 36,980,893 km (0.088 R)
• M26: 37,726,189 km (0.081 R)
• M27: 38,990,441 km (0.085 R)
• M28: 43,226,006 km (0.081 R)
• M29: 44,610,085 km (0.093 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 250.4

Radius: 3.4

Gravity: 21.66 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 13.08 AU - 14.84 AU

Year: 18332 Days

Day: 23.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 60,851,727 km

• M1: 42,336 km (0.062 R)
• M2: 268,528 km (0.047 R)
• M3: 588,518 km (0.086 R)
• M4: 796,609 km (0.082 R)
• M5: 1,413,401 km (0.103 R)
• M6: 1,902,436 km (0.106 R)
• M7: 2,557,076 km (0.103 R)
• M8: 3,155,767 km (0.103 R)
• M9: 3,952,077 km (0.045 R)
• M10: 4,810,469 km (0.101 R)
• M11: 5,266,443 km (0.089 R)
• M12: 6,415,505 km (0.049 R)
• M13: 8,209,183 km (0.099 R)
• M14: 11,401,003 km (0.048 R)
• M15: 12,625,312 km (0.105 R)
• M16: 19,589,093 km (0.098 R)
• M17: 35,236,133 km (0.09 R)
• M18: 39,079,003 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 164.9

Radius: 3.8

Gravity: 11.42 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 17.92 AU - 20.12 AU

Year: 29154 Days

Day: 22.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 60,851,727 km

• M1: 48,021 km (0.09 R)
• M2: 305,778 km (0.073 R)
• M3: 668,553 km (0.08 R)
• M4: 1,841,251 km (0.033 R)
• M5: 2,077,316 km (0.102 R)
• M6: 2,333,278 km (0.074 R)
• M7: 8,845,872 km (0.107 R)
• M8: 9,099,590 km (0.045 R)
• M9: 12,920,170 km (0.092 R)
• M10: 14,608,830 km (0.085 R)
• M11: 19,591,038 km (0.07 R)
• M12: 21,082,529 km (0.091 R)
• M13: 22,086,929 km (0.098 R)
• M14: 29,686,052 km (0.119 R)
• M15: 37,257,200 km (0.09 R)
• M16: 38,185,156 km (0.093 R)
• M17: 39,264,504 km (0.063 R)
• M18: 42,768,236 km (0.114 R)
• M19: 48,483,922 km (0.108 R)
• M20: 53,843,116 km (0.092 R)
• M21: 60,851,776 km (0.091 R)

Kuiper Belt

Range: 31.2 - 59.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 342 - 10,979 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit