🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.39

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.59 AU - 0.87 AU

Year: 235 Days

Day: 12.8 Hours

Environment

Temp: 110 °C

Axial Tilt: 14.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.55

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.79 AU - 1.07 AU

Year: 338 Days

Day: 37.4 Hours

Environment

Temp: 18 °C

Axial Tilt: 32.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 47,439,842 km

• M1: 340,634 km (0.074 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.74

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.34 AU - 1.44 AU

Year: 617 Days

Day: 20.1 Hours

Environment

Temp: -41 °C

Axial Tilt: 13.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.17

Radius: 1.59

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 2.16 AU - 3.42 AU

Year: 1756 Days

Day: 21.3 Hours

Environment

Temp: -114 °C

Axial Tilt: 1.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.45

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 3.63 AU - 4.01 AU

Year: 2813 Days

Day: 37 Hours

Environment

Temp: -130 °C

Axial Tilt: 11.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 47,439,842 km

• M1: 44,131 km (0.041 R)
• M2: 888,312 km (0.052 R)

Asteroid Belt

Center: 4.68 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 402

Radius: 11.7

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 5.38 AU - 5.68 AU

Year: 4899 Days

Day: 13.3 Hours

Environment

Temp: -153 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 47,439,842 km

• M1: 150,346 km (0.106 R)
• M2: 737,817 km (0.113 R)
• M3: 1,226,852 km (0.116 R)
• M4: 1,792,631 km (0.118 R)
• M5: 2,404,786 km (0.119 R)
• M6: 3,774,504 km (0.095 R)
• M7: 4,225,841 km (0.112 R)
• M8: 6,706,173 km (0.074 R)
• M9: 8,149,793 km (0.09 R)
• M10: 8,759,703 km (0.111 R)
• M11: 9,554,966 km (0.076 R)
• M12: 12,231,122 km (0.091 R)
• M13: 18,584,244 km (0.053 R)
• M14: 21,135,935 km (0.087 R)
• M15: 23,985,027 km (0.063 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 842.2

Radius: 14.3

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 4.93 AU - 6.47 AU

Year: 5127 Days

Day: 11.1 Hours

Environment

Temp: -160 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 47,439,842 km

• M1: 261,946 km (0.114 R)
• M2: 793,617 km (0.101 R)
• M3: 1,641,537 km (0.025 R)
• M4: 2,383,393 km (0.107 R)
• M5: 2,964,581 km (0.108 R)
• M6: 3,639,866 km (0.104 R)
• M7: 5,532,279 km (0.103 R)
• M8: 5,984,812 km (0.119 R)
• M9: 6,429,716 km (0.085 R)
• M10: 8,594,098 km (0.075 R)
• M11: 11,065,754 km (0.117 R)
• M12: 11,544,019 km (0.114 R)
• M13: 13,114,797 km (0.094 R)
• M14: 14,709,659 km (0.106 R)
• M15: 15,288,603 km (0.106 R)
• M16: 18,883,889 km (0.101 R)
• M17: 20,553,850 km (0.079 R)
• M18: 22,244,904 km (0.115 R)
• M19: 25,157,425 km (0.098 R)
• M20: 29,212,425 km (0.12 R)
• M21: 32,794,696 km (0.117 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 149.5

Radius: 10.3

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 6.34 AU - 7.9 AU

Year: 7157 Days

Day: 12.5 Hours

Environment

Temp: -173 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 47,439,842 km

• M1: 128,056 km (0.094 R)
• M2: 632,201 km (0.075 R)
• M3: 1,172,847 km (0.093 R)
• M4: 1,543,252 km (0.097 R)
• M5: 1,966,614 km (0.09 R)
• M6: 2,764,120 km (0.09 R)
• M7: 4,701,861 km (0.03 R)
• M8: 5,600,795 km (0.051 R)
• M9: 6,760,029 km (0.04 R)
• M10: 7,836,834 km (0.103 R)
• M11: 9,471,041 km (0.084 R)
• M12: 11,151,474 km (0.056 R)
• M13: 12,513,413 km (0.113 R)
• M14: 13,593,211 km (0.102 R)
• M15: 15,883,853 km (0.099 R)

Planet 9 - Ice Giant

Semi-Major Axis: 12.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 231.7

Radius: 7.2

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 12.56 AU - 12.72 AU

Year: 16930 Days

Day: 19.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 47,439,842 km

• M1: 89,609 km (0.079 R)
• M2: 521,797 km (0.069 R)
• M3: 785,838 km (0.087 R)
• M4: 1,446,312 km (0.1 R)
• M5: 2,354,371 km (0.083 R)
• M6: 3,165,641 km (0.113 R)
• M7: 3,622,812 km (0.063 R)
• M8: 5,694,443 km (0.087 R)
• M9: 6,297,023 km (0.097 R)
• M10: 7,059,374 km (0.097 R)
• M11: 7,340,319 km (0.092 R)
• M12: 7,839,228 km (0.07 R)
• M13: 8,097,134 km (0.068 R)
• M14: 12,677,522 km (0.118 R)
• M15: 18,814,027 km (0.028 R)
• M16: 25,253,467 km (0.12 R)
• M17: 26,774,279 km (0.068 R)
• M18: 28,254,550 km (0.069 R)
• M19: 36,960,697 km (0.091 R)
• M20: 40,686,432 km (0.053 R)
• M21: 41,720,752 km (0.036 R)
• M22: 44,791,846 km (0.112 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 254 - 17,929 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit