🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.83

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.75 AU - 1.09 AU

Year: 372 Days

Day: 29.5 Hours

Environment

Temp: -27 °C

Axial Tilt: 2.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 85,324,304 km

• M1: 104,419 km (0.058 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.26

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.08 AU - 1.16 AU

Year: 500 Days

Day: 17.7 Hours

Environment

Temp: -64 °C

Axial Tilt: 19.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.97

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.56 AU - 2.02 AU

Year: 1010 Days

Day: 22.6 Hours

Environment

Temp: -91 °C

Axial Tilt: 22.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.91

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 2.49 AU - 2.57 AU

Year: 1697 Days

Day: 30.4 Hours

Environment

Temp: -132 °C

Axial Tilt: 37.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.19 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 793.2

Radius: 13.6

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 3.6 AU - 4.1 AU

Year: 3186 Days

Day: 6.4 Hours

Environment

Temp: -162 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 85,324,304 km

• M1: 169,195 km (0.055 R)
• M2: 767,587 km (0.102 R)
• M3: 1,203,216 km (0.074 R)
• M4: 2,022,563 km (0.074 R)
• M5: 2,747,066 km (0.075 R)
• M6: 3,243,132 km (0.102 R)
• M7: 4,111,249 km (0.104 R)
• M8: 4,764,543 km (0.057 R)
• M9: 5,229,493 km (0.106 R)
• M10: 5,671,106 km (0.092 R)
• M11: 6,541,316 km (0.101 R)
• M12: 7,498,743 km (0.089 R)
• M13: 9,425,115 km (0.088 R)
• M14: 11,970,522 km (0.074 R)
• M15: 14,333,870 km (0.084 R)
• M16: 14,790,143 km (0.03 R)
• M17: 15,732,161 km (0.05 R)
• M18: 16,937,172 km (0.11 R)
• M19: 17,504,896 km (0.111 R)
• M20: 19,223,476 km (0.119 R)
• M21: 20,092,191 km (0.071 R)
• M22: 22,856,311 km (0.056 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 481.6

Radius: 11.4

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 4.1 AU - 5.52 AU

Year: 4449 Days

Day: 13.8 Hours

Environment

Temp: -171 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 85,324,304 km

• M1: 141,968 km (0.117 R)
• M2: 580,889 km (0.077 R)
• M3: 1,465,162 km (0.11 R)
• M4: 2,437,697 km (0.115 R)
• M5: 3,456,758 km (0.1 R)
• M6: 4,030,915 km (0.05 R)
• M7: 5,530,035 km (0.102 R)
• M8: 6,113,915 km (0.084 R)
• M9: 7,873,486 km (0.108 R)
• M10: 8,722,603 km (0.1 R)
• M11: 9,169,601 km (0.063 R)
• M12: 11,155,812 km (0.118 R)
• M13: 12,739,904 km (0.081 R)
• M14: 21,451,437 km (0.101 R)
• M15: 22,061,497 km (0.059 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 535.8

Radius: 7.1

Gravity: 10.63 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 9.34 AU - 11.06 AU

Year: 13739 Days

Day: 25 Hours

Environment

Temp: -192 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 85,324,304 km

• M1: 88,263 km (0.102 R)
• M2: 328,667 km (0.067 R)
• M3: 822,938 km (0.071 R)
• M4: 1,046,138 km (0.082 R)
• M5: 1,323,343 km (0.056 R)
• M6: 1,840,652 km (0.115 R)
• M7: 2,155,406 km (0.111 R)
• M8: 3,708,232 km (0.096 R)
• M9: 4,573,805 km (0.114 R)
• M10: 5,965,365 km (0.031 R)
• M11: 12,579,236 km (0.079 R)
• M12: 13,075,452 km (0.065 R)
• M13: 15,826,108 km (0.076 R)
• M14: 17,680,224 km (0.088 R)
• M15: 21,461,759 km (0.109 R)
• M16: 25,355,941 km (0.063 R)
• M17: 32,271,253 km (0.062 R)
• M18: 32,966,733 km (0.108 R)
• M19: 37,604,866 km (0.062 R)
• M20: 37,988,584 km (0.086 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 595.9

Radius: 7.3

Gravity: 11.18 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 13.62 AU - 17.16 AU

Year: 25463 Days

Day: 24.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 85,324,304 km

• M1: 90,956 km (0.118 R)
• M2: 509,530 km (0.106 R)
• M3: 1,010,833 km (0.118 R)
• M4: 1,283,849 km (0.085 R)
• M5: 2,532,991 km (0.104 R)
• M6: 2,962,935 km (0.105 R)
• M7: 6,541,915 km (0.119 R)
• M8: 13,812,521 km (0.088 R)
• M9: 18,593,370 km (0.082 R)
• M10: 19,247,561 km (0.094 R)
• M11: 21,100,181 km (0.118 R)
• M12: 22,434,295 km (0.073 R)
• M13: 27,847,943 km (0.082 R)
• M14: 45,387,396 km (0.067 R)
• M15: 55,638,739 km (0.043 R)
• M16: 67,768,135 km (0.088 R)
• M17: 69,537,429 km (0.104 R)
• M18: 76,209,194 km (0.119 R)
• M19: 76,922,776 km (0.116 R)
• M20: 83,799,342 km (0.094 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: 434 - 18,653 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit