🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.65

Radius: 0.84

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.79 AU - 1.05 AU

Year: 332 Days

Day: 36.5 Hours

Environment

Temp: 19 °C

Axial Tilt: 49.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 66,798,720 km

• M1: 199,863 km (0.112 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.91

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.21 AU - 1.53 AU

Year: 604 Days

Day: 40 Hours

Environment

Temp: -31 °C

Axial Tilt: 8.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.9

Radius: 0.96

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.43 AU - 1.77 AU

Year: 762 Days

Day: 33.8 Hours

Environment

Temp: -52 °C

Axial Tilt: 28.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 66,798,720 km

• M1: 22,589 km (0.119 R)
• M2: 339,886 km (0.072 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.51

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.97 AU - 2.39 AU

Year: 1213 Days

Day: 21 Hours

Environment

Temp: -78 °C

Axial Tilt: 159.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 66,798,720 km

• M1: 1,449,155 km (0.084 R)

Asteroid Belt

Center: 3.98 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 326.4

Radius: 11.6

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 5.39 AU - 6.17 AU

Year: 5235 Days

Day: 8.9 Hours

Environment

Temp: -144 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 66,798,720 km

• M1: 144,362 km (0.076 R)
• M2: 810,072 km (0.067 R)
• M3: 1,207,554 km (0.067 R)
• M4: 2,052,932 km (0.105 R)
• M5: 3,743,238 km (0.049 R)
• M6: 4,644,715 km (0.116 R)
• M7: 5,134,349 km (0.072 R)
• M8: 5,877,700 km (0.086 R)
• M9: 6,481,328 km (0.069 R)
• M10: 7,125,795 km (0.117 R)
• M11: 7,948,284 km (0.118 R)
• M12: 8,435,974 km (0.097 R)
• M13: 10,424,428 km (0.06 R)
• M14: 10,966,870 km (0.093 R)
• M15: 11,793,399 km (0.101 R)
• M16: 13,718,274 km (0.032 R)
• M17: 15,790,055 km (0.116 R)
• M18: 18,361,044 km (0.117 R)
• M19: 19,153,015 km (0.054 R)
• M20: 20,094,884 km (0.108 R)
• M21: 22,619,198 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 709.7

Radius: 14.9

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 6.96 AU - 7.12 AU

Year: 7037 Days

Day: 6.5 Hours

Environment

Temp: -154 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 66,798,720 km

• M1: 185,501 km (0.113 R)
• M2: 740,061 km (0.094 R)
• M3: 1,268,740 km (0.099 R)
• M4: 1,836,613 km (0.084 R)
• M5: 2,347,639 km (0.052 R)
• M6: 2,817,227 km (0.109 R)
• M7: 3,307,011 km (0.057 R)
• M8: 4,760,952 km (0.1 R)
• M9: 8,433,730 km (0.096 R)
• M10: 13,227,444 km (0.08 R)
• M11: 14,379,198 km (0.081 R)
• M12: 16,489,575 km (0.08 R)
• M13: 17,147,806 km (0.1 R)
• M14: 20,105,954 km (0.078 R)
• M15: 21,627,963 km (0.075 R)
• M16: 23,307,348 km (0.048 R)
• M17: 24,729,426 km (0.098 R)
• M18: 26,475,831 km (0.104 R)
• M19: 31,000,568 km (0.09 R)
• M20: 31,600,157 km (0.095 R)
• M21: 36,902,354 km (0.058 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 460.1

Radius: 3.6

Gravity: 35.5 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 12.57 AU - 15.75 AU

Year: 20073 Days

Day: 22 Hours

Environment

Temp: -194 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 66,798,720 km

• M1: 44,730 km (0.038 R)
• M2: 184,753 km (0.12 R)
• M3: 1,014,423 km (0.073 R)
• M4: 1,138,739 km (0.105 R)
• M5: 1,373,308 km (0.092 R)
• M6: 2,931,520 km (0.118 R)
• M7: 4,381,422 km (0.098 R)
• M8: 8,289,218 km (0.053 R)
• M9: 9,430,949 km (0.058 R)
• M10: 14,319,957 km (0.091 R)
• M11: 16,656,975 km (0.06 R)
• M12: 17,137,034 km (0.08 R)
• M13: 18,975,742 km (0.1 R)
• M14: 24,753,511 km (0.055 R)
• M15: 33,839,786 km (0.093 R)
• M16: 34,737,972 km (0.088 R)
• M17: 36,582,065 km (0.116 R)
• M18: 42,356,094 km (0.116 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: 257 - 15,780 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit