🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.56

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.6 AU - 0.9 AU

Year: 241 Days

Day: 41.7 Hours

Environment

Temp: 134 °C

Axial Tilt: 5.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 26,772,650 km

• M1: 42,935 km (0.048 R)
• M2: 110,852 km (0.093 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.45

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.76 AU - 0.76 AU

Year: 246 Days

Day: 39.9 Hours

Environment

Temp: 146 °C

Axial Tilt: 33.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.39

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.06 AU - 1.44 AU

Year: 518 Days

Day: 15.1 Hours

Environment

Temp: -7 °C

Axial Tilt: 20.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 26,772,650 km

• M1: 34,856 km (0.118 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.22

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.89 AU - 2.67 AU

Year: 1277 Days

Day: 13.6 Hours

Environment

Temp: -77 °C

Axial Tilt: 39.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.81

Radius: 0.92

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 3.37 AU - 4.01 AU

Year: 2629 Days

Day: 37.5 Hours

Environment

Temp: -124 °C

Axial Tilt: 23.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 26,772,650 km

• M1: 1,640,191 km (0.119 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.58

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 3.26 AU - 4.14 AU

Year: 2639 Days

Day: 34.9 Hours

Environment

Temp: -115 °C

Axial Tilt: 57.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 3.39 AU - 5.07 AU

Year: 3226 Days

Day: 41.5 Hours

Environment

Temp: -130 °C

Axial Tilt: 34.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 4.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 773.9

Radius: 13.9

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 3.91 AU - 5.63 AU

Year: 3864 Days

Day: 14 Hours

Environment

Temp: -141 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 26,772,650 km

• M1: 172,935 km (0.065 R)
• M2: 1,170,903 km (0.079 R)
• M3: 1,605,185 km (0.087 R)
• M4: 2,250,102 km (0.084 R)
• M5: 3,174,317 km (0.114 R)
• M6: 3,808,463 km (0.118 R)
• M7: 6,688,970 km (0.106 R)
• M8: 7,167,084 km (0.034 R)
• M9: 8,300,139 km (0.116 R)
• M10: 10,323,749 km (0.116 R)
• M11: 11,183,488 km (0.11 R)
• M12: 12,948,294 km (0.082 R)
• M13: 13,592,762 km (0.086 R)
• M14: 14,785,356 km (0.099 R)
• M15: 15,270,651 km (0.094 R)
• M16: 16,103,014 km (0.104 R)
• M17: 18,471,148 km (0.105 R)
• M18: 19,161,094 km (0.045 R)
• M19: 20,261,386 km (0.116 R)
• M20: 21,816,306 km (0.077 R)
• M21: 23,232,101 km (0.109 R)
• M22: 25,086,815 km (0.111 R)

Planet 9 - Gas Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 179.6

Radius: 10.1

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 5.11 AU - 7.05 AU

Year: 5560 Days

Day: 9 Hours

Environment

Temp: -163 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 26,772,650 km

• M1: 125,662 km (0.114 R)
• M2: 518,057 km (0.052 R)
• M3: 859,889 km (0.028 R)
• M4: 1,631,365 km (0.094 R)
• M5: 1,954,795 km (0.088 R)
• M6: 2,307,398 km (0.092 R)
• M7: 3,574,641 km (0.098 R)
• M8: 4,736,717 km (0.044 R)
• M9: 5,581,197 km (0.094 R)
• M10: 7,106,946 km (0.084 R)
• M11: 12,653,885 km (0.093 R)
• M12: 14,513,985 km (0.057 R)
• M13: 17,802,745 km (0.079 R)
• M14: 18,595,763 km (0.059 R)
• M15: 19,829,347 km (0.083 R)

Planet 10 - Ice Giant

Semi-Major Axis: 18.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 14

Radius: 6.2

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 17.23 AU - 19.51 AU

Year: 29199 Days

Day: 20.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 26,772,650 km

• M1: 78,389 km (0.057 R)
• M2: 271,969 km (0.059 R)
• M3: 644,468 km (0.087 R)
• M4: 8,142,163 km (0.12 R)
• M5: 9,958,431 km (0.105 R)
• M6: 11,657,564 km (0.077 R)
• M7: 12,122,663 km (0.116 R)
• M8: 19,344,201 km (0.113 R)
• M9: 21,688,699 km (0.074 R)
• M10: 22,249,991 km (0.048 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 330 - 16,879 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit