🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.81

Radius: 0.92

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.94 AU - 1.3 AU

Year: 343 Days

Day: 46.6 Hours

Environment

Temp: 239 °C

Axial Tilt: 12.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 54,998,021 km

• M1: 49,666 km (0.089 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.4

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.63 AU - 1.69 AU

Year: 620 Days

Day: 24.4 Hours

Environment

Temp: 186 °C

Axial Tilt: 29.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 54,998,021 km

• M1: 220,657 km (0.088 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.61

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 2.18 AU - 2.3 AU

Year: 971 Days

Day: 14.5 Hours

Environment

Temp: 38 °C

Axial Tilt: 38.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 54,998,021 km

• M1: 42,935 km (0.078 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.43 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.9

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.92 AU - 2.94 AU

Year: 1097 Days

Day: 47 Hours

Environment

Temp: 4 °C

Axial Tilt: 47.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 54,998,021 km

• M1: 331,509 km (0.088 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.09 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.87

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 3.09 AU - 3.09 AU

Year: 1573 Days

Day: 45.8 Hours

Environment

Temp: -4 °C

Axial Tilt: 42.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 54,998,021 km

• M1: 621,130 km (0.11 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.17

Radius: 1.06

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 3.06 AU - 4.9 AU

Year: 2300 Days

Day: 35.9 Hours

Environment

Temp: -53 °C

Axial Tilt: 25.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 54,998,021 km

• M1: 43,832 km (0.102 R)
• M2: 1,175,690 km (0.105 R)

Planet 7 - Terrestrial

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.66

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 3.91 AU - 4.33 AU

Year: 2422 Days

Day: 23.4 Hours

Environment

Temp: -50 °C

Axial Tilt: 0.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 54,998,021 km

• M1: 48,919 km (0.11 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 809.4

Radius: 8.4

Gravity: 11.47 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 11.52 AU - 12.04 AU

Year: 11711 Days

Day: 14.1 Hours

Environment

Temp: -144 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 54,998,021 km

• M1: 104,719 km (0.087 R)
• M2: 385,514 km (0.116 R)
• M3: 900,878 km (0.106 R)
• M4: 1,324,988 km (0.089 R)
• M5: 1,652,308 km (0.088 R)
• M6: 3,163,845 km (0.107 R)
• M7: 3,541,730 km (0.11 R)
• M8: 4,327,866 km (0.067 R)
• M9: 5,157,536 km (0.096 R)
• M10: 5,646,272 km (0.107 R)
• M11: 7,960,851 km (0.086 R)
• M12: 8,953,732 km (0.114 R)
• M13: 9,763,804 km (0.109 R)
• M14: 10,900,150 km (0.092 R)
• M15: 15,537,983 km (0.105 R)
• M16: 15,969,274 km (0.059 R)
• M17: 20,646,451 km (0.064 R)
• M18: 24,579,977 km (0.119 R)
• M19: 25,462,156 km (0.107 R)
• M20: 31,090,477 km (0.098 R)
• M21: 35,725,318 km (0.062 R)
• M22: 40,800,575 km (0.111 R)
• M23: 41,346,907 km (0.05 R)
• M24: 42,036,553 km (0.103 R)
• M25: 46,633,097 km (0.115 R)
• M26: 49,206,330 km (0.119 R)
• M27: 55,798,659 km (0.099 R)
• M28: 56,134,507 km (0.062 R)

Planet 9 - Gas Giant

Semi-Major Axis: 12.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 711.9

Radius: 9.5

Gravity: 7.89 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 11.67 AU - 12.35 AU

Year: 12056 Days

Day: 8.3 Hours

Environment

Temp: -151 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 54,998,021 km

• M1: 118,482 km (0.07 R)
• M2: 482,752 km (0.109 R)
• M3: 839,543 km (0.03 R)
• M4: 1,348,924 km (0.091 R)
• M5: 1,801,009 km (0.053 R)
• M6: 2,332,680 km (0.069 R)
• M7: 3,449,278 km (0.058 R)
• M8: 4,604,323 km (0.112 R)
• M9: 5,019,757 km (0.067 R)
• M10: 6,149,520 km (0.088 R)
• M11: 6,456,794 km (0.061 R)
• M12: 6,814,781 km (0.119 R)
• M13: 7,398,063 km (0.117 R)
• M14: 8,014,108 km (0.04 R)
• M15: 8,569,116 km (0.111 R)
• M16: 10,121,942 km (0.07 R)
• M17: 10,992,900 km (0.118 R)
• M18: 11,972,168 km (0.083 R)
• M19: 12,636,233 km (0.069 R)
• M20: 18,621,045 km (0.07 R)
• M21: 22,537,518 km (0.111 R)
• M22: 23,270,547 km (0.079 R)
• M23: 23,830,642 km (0.106 R)
• M24: 25,075,146 km (0.113 R)
• M25: 26,767,098 km (0.079 R)
• M26: 38,416,883 km (0.094 R)
• M27: 41,747,231 km (0.1 R)
• M28: 44,403,640 km (0.1 R)
• M29: 48,369,480 km (0.101 R)
• M30: 51,612,612 km (0.107 R)

Kuiper Belt

Range: 37.8 - 66.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 217 - 13,425 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit