🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.13

Radius: 0.44

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.91 AU - 1.11 AU

Year: 375 Days

Day: 12.2 Hours

Environment

Temp: 29 °C

Axial Tilt: 47.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.51

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.23 AU - 1.49 AU

Year: 585 Days

Day: 30.2 Hours

Environment

Temp: -27 °C

Axial Tilt: 27.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.72

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.86 AU - 1.96 AU

Year: 974 Days

Day: 27.1 Hours

Environment

Temp: -65 °C

Axial Tilt: 32.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 86,503,737 km

• M1: 44,131 km (0.042 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.68

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 2.07 AU - 3.41 AU

Year: 1673 Days

Day: 44.9 Hours

Environment

Temp: -89 °C

Axial Tilt: 23.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 86,503,737 km

• M1: 165,455 km (0.103 R)
• M2: 1,881,044 km (0.103 R)

Asteroid Belt

Center: 3.05 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Terrestrial

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.62

Radius: 1.21

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 2.8 AU - 3.92 AU

Year: 2272 Days

Day: 37.4 Hours

Environment

Temp: -110 °C

Axial Tilt: 13.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.37

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 3.57 AU - 3.89 AU

Year: 2658 Days

Day: 14.8 Hours

Environment

Temp: -130 °C

Axial Tilt: 11.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 6.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 634.4

Radius: 13.2

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 5.9 AU - 6.86 AU

Year: 5946 Days

Day: 13.8 Hours

Environment

Temp: -146 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 86,503,737 km

• M1: 164,258 km (0.059 R)
• M2: 659,577 km (0.098 R)
• M3: 1,087,726 km (0.062 R)
• M4: 2,011,044 km (0.055 R)
• M5: 3,555,343 km (0.06 R)
• M6: 4,151,191 km (0.095 R)
• M7: 5,113,704 km (0.041 R)
• M8: 6,577,968 km (0.116 R)
• M9: 8,423,108 km (0.088 R)
• M10: 9,831,273 km (0.06 R)
• M11: 12,129,545 km (0.114 R)
• M12: 12,691,135 km (0.065 R)
• M13: 15,113,125 km (0.095 R)
• M14: 16,494,960 km (0.05 R)
• M15: 20,280,834 km (0.092 R)
• M16: 21,439,768 km (0.079 R)
• M17: 22,718,980 km (0.103 R)
• M18: 24,854,340 km (0.106 R)
• M19: 26,096,900 km (0.054 R)
• M20: 26,948,112 km (0.086 R)
• M21: 28,348,198 km (0.108 R)
• M22: 31,867,488 km (0.051 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 888

Radius: 14.5

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 5.82 AU - 7.6 AU

Year: 6413 Days

Day: 6.9 Hours

Environment

Temp: -149 °C

Axial Tilt: 66.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 86,503,737 km

• M1: 180,864 km (0.076 R)
• M2: 756,217 km (0.104 R)
• M3: 1,366,577 km (0.086 R)
• M4: 2,319,964 km (0.098 R)
• M5: 2,807,802 km (0.092 R)
• M6: 4,405,508 km (0.092 R)
• M7: 5,045,188 km (0.086 R)
• M8: 6,005,307 km (0.118 R)
• M9: 7,689,630 km (0.032 R)
• M10: 8,329,460 km (0.097 R)
• M11: 9,534,919 km (0.095 R)
• M12: 10,513,140 km (0.083 R)
• M13: 13,055,705 km (0.098 R)
• M14: 18,328,133 km (0.096 R)
• M15: 20,211,570 km (0.075 R)
• M16: 21,745,995 km (0.067 R)
• M17: 22,220,969 km (0.082 R)
• M18: 23,439,294 km (0.041 R)
• M19: 26,634,255 km (0.112 R)
• M20: 27,269,747 km (0.059 R)
• M21: 31,600,306 km (0.073 R)
• M22: 36,591,938 km (0.079 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 890.5

Radius: 6.3

Gravity: 22.44 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 12.92 AU - 16.92 AU

Year: 21263 Days

Day: 20.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 86,503,737 km

• M1: 78,539 km (0.089 R)
• M2: 300,542 km (0.097 R)
• M3: 1,349,373 km (0.039 R)
• M4: 1,632,711 km (0.066 R)
• M5: 2,078,962 km (0.04 R)
• M6: 2,411,817 km (0.107 R)
• M7: 3,100,266 km (0.117 R)
• M8: 3,565,964 km (0.091 R)
• M9: 4,010,569 km (0.056 R)
• M10: 4,385,462 km (0.119 R)
• M11: 4,895,890 km (0.07 R)
• M12: 6,255,435 km (0.081 R)
• M13: 8,112,393 km (0.107 R)
• M14: 10,881,450 km (0.12 R)
• M15: 11,341,613 km (0.054 R)
• M16: 20,279,787 km (0.114 R)
• M17: 21,483,601 km (0.112 R)
• M18: 24,253,854 km (0.098 R)
• M19: 28,593,539 km (0.114 R)
• M20: 35,384,684 km (0.076 R)
• M21: 40,934,166 km (0.049 R)
• M22: 41,725,838 km (0.106 R)
• M23: 46,864,226 km (0.097 R)
• M24: 53,907,144 km (0.113 R)
• M25: 58,175,321 km (0.085 R)
• M26: 61,417,256 km (0.082 R)
• M27: 83,682,954 km (0.043 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 479 - 18,293 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit