🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.47

Radius: 1.17

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.72 AU - 1.08 AU

Year: 323 Days

Day: 17.9 Hours

Environment

Temp: 21 °C

Axial Tilt: 31.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.21

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.94 AU - 1 AU

Year: 362 Days

Day: 40 Hours

Environment

Temp: 7 °C

Axial Tilt: 0.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 56,723,096 km

• M1: 42,187 km (0.109 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.29

Radius: 0.61

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.23 AU - 1.73 AU

Year: 682 Days

Day: 32 Hours

Environment

Temp: -46 °C

Axial Tilt: 15.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 56,723,096 km

• M1: 14,511 km (0.081 R)
• M2: 92,003 km (0.037 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.17

Radius: 1.06

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.24 AU - 1.96 AU

Year: 767 Days

Day: 22.9 Hours

Environment

Temp: -49 °C

Axial Tilt: 41.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 56,723,096 km

• M1: 116,088 km (0.112 R)
• M2: 206,744 km (0.106 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.18

Radius: 1.37

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.29 AU - 2.09 AU

Year: 832 Days

Day: 32.8 Hours

Environment

Temp: -53 °C

Axial Tilt: 45.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.65 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 7.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 94.7

Radius: 9.6

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 7.41 AU - 7.79 AU

Year: 7935 Days

Day: 11.1 Hours

Environment

Temp: -178 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 56,723,096 km

• M1: 119,529 km (0.106 R)
• M2: 441,613 km (0.099 R)
• M3: 927,806 km (0.1 R)
• M4: 1,343,838 km (0.078 R)
• M5: 2,284,659 km (0.064 R)
• M6: 2,635,166 km (0.055 R)
• M7: 3,246,573 km (0.105 R)
• M8: 4,659,525 km (0.109 R)
• M9: 5,057,156 km (0.107 R)
• M10: 6,416,103 km (0.088 R)
• M11: 6,998,787 km (0.081 R)
• M12: 8,337,089 km (0.049 R)
• M13: 9,392,502 km (0.088 R)
• M14: 10,067,189 km (0.085 R)
• M15: 10,854,223 km (0.107 R)
• M16: 11,597,126 km (0.06 R)
• M17: 12,329,557 km (0.074 R)
• M18: 16,730,128 km (0.08 R)
• M19: 18,576,316 km (0.115 R)
• M20: 19,102,451 km (0.104 R)
• M21: 19,759,036 km (0.067 R)
• M22: 20,123,457 km (0.066 R)
• M23: 20,616,382 km (0.066 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131.1

Radius: 8.7

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 9.08 AU - 10.2 AU

Year: 11336 Days

Day: 7.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 56,723,096 km

• M1: 108,159 km (0.104 R)
• M2: 516,711 km (0.089 R)
• M3: 868,565 km (0.111 R)
• M4: 1,263,653 km (0.113 R)
• M5: 1,938,340 km (0.094 R)
• M6: 2,437,847 km (0.098 R)
• M7: 2,908,332 km (0.11 R)
• M8: 3,671,880 km (0.064 R)
• M9: 4,487,936 km (0.078 R)
• M10: 4,794,013 km (0.101 R)
• M11: 6,253,789 km (0.082 R)
• M12: 6,833,631 km (0.115 R)
• M13: 8,250,323 km (0.103 R)
• M14: 11,323,661 km (0.049 R)
• M15: 12,986,292 km (0.076 R)
• M16: 13,557,457 km (0.04 R)
• M17: 16,667,447 km (0.107 R)
• M18: 20,154,573 km (0.109 R)
• M19: 20,430,880 km (0.05 R)
• M20: 23,031,490 km (0.04 R)
• M21: 24,022,426 km (0.092 R)
• M22: 26,253,080 km (0.077 R)
• M23: 28,531,455 km (0.089 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 864.4

Radius: 9.6

Gravity: 9.38 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 8.38 AU - 11.04 AU

Year: 11460 Days

Day: 8.7 Hours

Environment

Temp: -179 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 56,723,096 km

• M1: 122,521 km (0.077 R)
• M2: 433,235 km (0.039 R)
• M3: 799,152 km (0.119 R)
• M4: 1,208,900 km (0.093 R)
• M5: 1,514,230 km (0.109 R)
• M6: 1,922,482 km (0.12 R)
• M7: 2,266,557 km (0.04 R)
• M8: 3,056,883 km (0.112 R)
• M9: 4,746,591 km (0.071 R)
• M10: 6,109,427 km (0.091 R)
• M11: 7,672,127 km (0.114 R)
• M12: 9,639,937 km (0.116 R)
• M13: 11,982,640 km (0.112 R)
• M14: 12,530,168 km (0.07 R)
• M15: 14,750,051 km (0.074 R)
• M16: 15,952,967 km (0.051 R)
• M17: 19,039,471 km (0.047 R)
• M18: 19,701,292 km (0.098 R)
• M19: 20,292,951 km (0.11 R)
• M20: 23,713,656 km (0.056 R)
• M21: 26,162,723 km (0.05 R)
• M22: 26,877,651 km (0.098 R)
• M23: 30,200,968 km (0.04 R)
• M24: 31,214,793 km (0.088 R)
• M25: 32,601,714 km (0.118 R)
• M26: 33,310,509 km (0.075 R)
• M27: 41,383,558 km (0.095 R)
• M28: 51,620,391 km (0.077 R)
• M29: 55,375,447 km (0.116 R)
• M30: 56,215,140 km (0.085 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 173 - 17,566 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit