🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.35

Radius: 0.66

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.92 AU - 0.94 AU

Year: 324 Days

Day: 21.9 Hours

Environment

Temp: 136 °C

Axial Tilt: 16 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.31

Radius: 0.63

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.06 AU - 1.16 AU

Year: 423 Days

Day: 29.9 Hours

Environment

Temp: 10 °C

Axial Tilt: 6.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 81,368,538 km

• M1: 52,509 km (0.063 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.36

Radius: 1.62

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.12 AU - 1.14 AU

Year: 434 Days

Day: 37.7 Hours

Environment

Temp: 9 °C

Axial Tilt: 31.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 81,368,538 km

• M1: 75,248 km (0.085 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.27

Radius: 0.59

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.14 AU - 1.14 AU

Year: 440 Days

Day: 30.6 Hours

Environment

Temp: 15 °C

Axial Tilt: 3.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.09

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.81 AU - 1.87 AU

Year: 903 Days

Day: 28 Hours

Environment

Temp: -50 °C

Axial Tilt: 7.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.47 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 182.2

Radius: 14.4

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 4.97 AU - 5.23 AU

Year: 4165 Days

Day: 10.1 Hours

Environment

Temp: -146 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 81,368,538 km

• M1: 179,218 km (0.116 R)
• M2: 715,975 km (0.036 R)
• M3: 1,781,711 km (0.106 R)
• M4: 3,247,770 km (0.116 R)
• M5: 3,799,188 km (0.091 R)
• M6: 5,434,891 km (0.112 R)
• M7: 6,371,972 km (0.096 R)
• M8: 7,385,497 km (0.081 R)
• M9: 8,284,132 km (0.112 R)
• M10: 9,288,083 km (0.118 R)
• M11: 9,767,395 km (0.111 R)
• M12: 10,775,983 km (0.117 R)
• M13: 11,305,709 km (0.097 R)
• M14: 12,254,310 km (0.098 R)
• M15: 13,952,694 km (0.119 R)
• M16: 14,858,659 km (0.109 R)
• M17: 16,587,711 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 71

Radius: 9.2

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 9.85 AU - 12.17 AU

Year: 13212 Days

Day: 13.6 Hours

Environment

Temp: -179 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 81,368,538 km

• M1: 116,088 km (0.104 R)
• M2: 567,275 km (0.066 R)
• M3: 1,232,686 km (0.084 R)
• M4: 2,201,482 km (0.087 R)
• M5: 3,632,685 km (0.094 R)
• M6: 3,932,180 km (0.116 R)
• M7: 4,508,581 km (0.034 R)
• M8: 6,424,630 km (0.075 R)
• M9: 8,380,174 km (0.118 R)
• M10: 12,153,181 km (0.062 R)
• M11: 15,718,398 km (0.109 R)
• M12: 23,187,072 km (0.052 R)
• M13: 25,058,990 km (0.097 R)
• M14: 26,229,294 km (0.031 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 156.1

Radius: 5.3

Gravity: 5.56 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 11.22 AU - 17.96 AU

Year: 20155 Days

Day: 16.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 81,368,538 km

• M1: 67,469 km (0.097 R)
• M2: 303,235 km (0.061 R)
• M3: 794,813 km (0.065 R)
• M4: 1,510,191 km (0.101 R)
• M5: 1,757,625 km (0.045 R)
• M6: 2,152,863 km (0.09 R)
• M7: 2,605,397 km (0.077 R)
• M8: 5,322,243 km (0.117 R)
• M9: 7,912,082 km (0.088 R)
• M10: 11,619,566 km (0.057 R)
• M11: 19,982,984 km (0.105 R)
• M12: 23,152,963 km (0.105 R)
• M13: 37,346,510 km (0.07 R)
• M14: 39,433,101 km (0.077 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 816.5

Radius: 7.2

Gravity: 15.75 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 14 AU - 15.28 AU

Year: 20258 Days

Day: 15.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 81,368,538 km

• M1: 89,609 km (0.046 R)
• M2: 547,977 km (0.079 R)
• M3: 1,501,663 km (0.103 R)
• M4: 2,373,071 km (0.105 R)
• M5: 2,678,699 km (0.089 R)
• M6: 3,340,820 km (0.088 R)
• M7: 6,373,168 km (0.075 R)
• M8: 6,919,201 km (0.102 R)
• M9: 8,690,739 km (0.051 R)
• M10: 13,984,559 km (0.07 R)
• M11: 17,383,721 km (0.064 R)
• M12: 20,028,462 km (0.085 R)
• M13: 21,596,697 km (0.089 R)
• M14: 22,001,209 km (0.108 R)
• M15: 24,644,903 km (0.031 R)
• M16: 28,448,877 km (0.112 R)
• M17: 30,935,194 km (0.059 R)
• M18: 32,362,657 km (0.07 R)
• M19: 34,654,197 km (0.082 R)
• M20: 40,315,579 km (0.11 R)
• M21: 41,237,999 km (0.083 R)
• M22: 47,920,686 km (0.11 R)
• M23: 49,303,569 km (0.093 R)
• M24: 61,946,833 km (0.099 R)

Kuiper Belt

Range: 30.3 - 57.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 317 - 16,809 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit