🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.03

Radius: 1.01

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.87 AU - 1.41 AU

Year: 434 Days

Day: 14.9 Hours

Environment

Temp: 26 °C

Axial Tilt: 44.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.06

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.33 AU - 2.17 AU

Year: 825 Days

Day: 32.4 Hours

Environment

Temp: -53 °C

Axial Tilt: 20.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.26

Radius: 1.1

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 2.4 AU - 3.06 AU

Year: 1608 Days

Day: 45.5 Hours

Environment

Temp: -83 °C

Axial Tilt: 19.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.14

Radius: 1.36

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 2.64 AU - 3.16 AU

Year: 1760 Days

Day: 42.7 Hours

Environment

Temp: -89 °C

Axial Tilt: 45.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.88

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 4.44 AU - 4.64 AU

Year: 3448 Days

Day: 28.8 Hours

Environment

Temp: -137 °C

Axial Tilt: 7.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.68 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 8.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 555.8

Radius: 15

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 8.74 AU - 8.9 AU

Year: 9337 Days

Day: 13.8 Hours

Environment

Temp: -168 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 57,913,281 km

• M1: 187,745 km (0.095 R)
• M2: 745,446 km (0.109 R)
• M3: 1,245,253 km (0.12 R)
• M4: 1,872,666 km (0.117 R)
• M5: 5,860,347 km (0.056 R)
• M6: 6,481,178 km (0.08 R)
• M7: 7,455,808 km (0.12 R)
• M8: 8,964,054 km (0.029 R)
• M9: 10,920,495 km (0.115 R)
• M10: 11,918,014 km (0.106 R)
• M11: 14,338,208 km (0.117 R)
• M12: 14,833,975 km (0.035 R)
• M13: 16,256,801 km (0.099 R)
• M14: 19,448,022 km (0.066 R)
• M15: 23,460,387 km (0.117 R)
• M16: 26,670,308 km (0.098 R)
• M17: 30,466,953 km (0.089 R)
• M18: 30,978,428 km (0.104 R)
• M19: 35,391,565 km (0.109 R)
• M20: 36,413,468 km (0.112 R)
• M21: 37,455,118 km (0.06 R)
• M22: 38,635,744 km (0.102 R)
• M23: 39,840,905 km (0.112 R)
• M24: 42,580,491 km (0.095 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 102.1

Radius: 3.4

Gravity: 8.83 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 11.1 AU - 17.08 AU

Year: 18852 Days

Day: 23.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 57,913,281 km

• M1: 45,777 km (0.112 R)
• M2: 157,975 km (0.108 R)
• M3: 291,566 km (0.035 R)
• M4: 427,252 km (0.037 R)
• M5: 2,871,830 km (0.109 R)
• M6: 4,600,284 km (0.078 R)
• M7: 5,584,489 km (0.095 R)
• M8: 6,417,898 km (0.087 R)
• M9: 7,679,756 km (0.072 R)
• M10: 8,664,110 km (0.043 R)
• M11: 10,198,236 km (0.082 R)
• M12: 14,025,848 km (0.108 R)
• M13: 14,990,006 km (0.048 R)
• M14: 15,614,427 km (0.026 R)
• M15: 16,321,128 km (0.039 R)
• M16: 17,183,559 km (0.118 R)
• M17: 17,798,107 km (0.119 R)
• M18: 22,034,570 km (0.081 R)
• M19: 24,684,247 km (0.057 R)
• M20: 32,118,064 km (0.083 R)
• M21: 34,425,761 km (0.089 R)
• M22: 35,729,955 km (0.095 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 203.8

Radius: 6

Gravity: 5.66 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 15.59 AU - 17.83 AU

Year: 24348 Days

Day: 16.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 57,913,281 km

• M1: 74,649 km (0.037 R)
• M2: 363,822 km (0.081 R)
• M3: 617,989 km (0.106 R)
• M4: 1,330,673 km (0.058 R)
• M5: 3,298,783 km (0.12 R)
• M6: 6,471,155 km (0.107 R)
• M7: 6,713,952 km (0.097 R)
• M8: 7,347,948 km (0.052 R)
• M9: 8,020,989 km (0.087 R)
• M10: 9,182,168 km (0.035 R)
• M11: 10,232,046 km (0.089 R)
• M12: 11,893,180 km (0.057 R)
• M13: 17,083,778 km (0.064 R)
• M14: 19,157,803 km (0.112 R)
• M15: 24,966,538 km (0.12 R)
• M16: 27,840,014 km (0.067 R)
• M17: 28,160,303 km (0.041 R)
• M18: 36,479,590 km (0.114 R)
• M19: 45,259,938 km (0.076 R)
• M20: 50,927,454 km (0.111 R)
• M21: 57,739,991 km (0.04 R)

Kuiper Belt

Range: 30.8 - 46.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 289 - 18,459 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit