🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.05

Radius: 1.02

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.59 AU - 0.85 AU

Year: 222 Days

Day: 29.5 Hours

Environment

Temp: 200 °C

Axial Tilt: 3.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.95

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.85 AU - 1.29 AU

Year: 402 Days

Day: 12.3 Hours

Environment

Temp: 8 °C

Axial Tilt: 61.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.97

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 2.17 AU - 2.17 AU

Year: 1162 Days

Day: 25.1 Hours

Environment

Temp: -71 °C

Axial Tilt: 41.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.13

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 2.74 AU - 3.96 AU

Year: 2228 Days

Day: 33.8 Hours

Environment

Temp: -101 °C

Axial Tilt: 37.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 51,231,694 km

• M1: 439,070 km (0.106 R)
• M2: 486,193 km (0.077 R)

Asteroid Belt

Center: 4.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 91.7

Radius: 13.4

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 4.22 AU - 6.34 AU

Year: 4409 Days

Day: 11.7 Hours

Environment

Temp: -145 °C

Axial Tilt: 141.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 51,231,694 km

• M1: 167,101 km (0.062 R)
• M2: 661,971 km (0.064 R)
• M3: 1,127,070 km (0.072 R)
• M4: 3,416,217 km (0.072 R)
• M5: 4,981,908 km (0.102 R)
• M6: 5,878,448 km (0.09 R)
• M7: 8,164,753 km (0.046 R)
• M8: 9,064,883 km (0.072 R)
• M9: 10,030,088 km (0.106 R)
• M10: 11,752,558 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 680.5

Radius: 11.6

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 6.52 AU - 7.82 AU

Year: 6978 Days

Day: 5.5 Hours

Environment

Temp: -159 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 51,231,694 km

• M1: 158,873 km (0.111 R)
• M2: 571,165 km (0.119 R)
• M3: 940,821 km (0.091 R)
• M4: 1,630,467 km (0.05 R)
• M5: 2,727,468 km (0.063 R)
• M6: 3,514,353 km (0.111 R)
• M7: 4,857,592 km (0.068 R)
• M8: 5,353,809 km (0.044 R)
• M9: 7,381,907 km (0.083 R)
• M10: 8,119,424 km (0.086 R)
• M11: 9,163,917 km (0.054 R)
• M12: 11,216,549 km (0.114 R)
• M13: 11,826,011 km (0.063 R)
• M14: 13,055,556 km (0.101 R)
• M15: 13,672,946 km (0.074 R)
• M16: 17,658,981 km (0.118 R)
• M17: 19,191,163 km (0.118 R)
• M18: 22,359,646 km (0.092 R)
• M19: 25,253,916 km (0.112 R)
• M20: 25,861,433 km (0.076 R)
• M21: 26,746,005 km (0.053 R)
• M22: 28,951,526 km (0.113 R)
• M23: 31,275,828 km (0.09 R)
• M24: 33,513,214 km (0.088 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 928.5

Radius: 13.7

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 6.73 AU - 9.65 AU

Year: 8518 Days

Day: 10.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 51,231,694 km

• M1: 173,683 km (0.062 R)
• M2: 662,419 km (0.093 R)
• M3: 1,168,958 km (0.107 R)
• M4: 1,655,001 km (0.119 R)
• M5: 2,137,903 km (0.085 R)
• M6: 2,695,305 km (0.051 R)
• M7: 3,664,400 km (0.112 R)
• M8: 4,384,265 km (0.085 R)
• M9: 5,070,321 km (0.067 R)
• M10: 5,861,843 km (0.093 R)
• M11: 6,323,951 km (0.073 R)
• M12: 8,072,899 km (0.103 R)
• M13: 9,485,851 km (0.07 R)
• M14: 10,481,425 km (0.118 R)
• M15: 11,165,087 km (0.08 R)
• M16: 12,856,740 km (0.104 R)
• M17: 13,825,985 km (0.098 R)
• M18: 15,910,182 km (0.101 R)
• M19: 17,825,334 km (0.111 R)
• M20: 21,602,531 km (0.034 R)
• M21: 26,938,537 km (0.087 R)
• M22: 27,526,158 km (0.068 R)
• M23: 29,443,404 km (0.107 R)
• M24: 31,233,043 km (0.111 R)
• M25: 37,641,367 km (0.112 R)
• M26: 39,747,855 km (0.071 R)
• M27: 40,382,150 km (0.087 R)
• M28: 44,875,472 km (0.091 R)
• M29: 46,258,055 km (0.05 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 561.3

Radius: 15

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 9.03 AU - 11.79 AU

Year: 12207 Days

Day: 7 Hours

Environment

Temp: -185 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 51,231,694 km

• M1: 186,549 km (0.098 R)
• M2: 901,028 km (0.104 R)
• M3: 1,692,550 km (0.087 R)
• M4: 3,527,518 km (0.107 R)
• M5: 4,132,791 km (0.064 R)
• M6: 4,776,361 km (0.102 R)
• M7: 5,622,636 km (0.117 R)
• M8: 6,529,049 km (0.051 R)
• M9: 7,700,251 km (0.097 R)
• M10: 10,249,399 km (0.109 R)
• M11: 14,269,542 km (0.117 R)
• M12: 21,635,143 km (0.085 R)
• M13: 24,784,777 km (0.12 R)
• M14: 33,915,932 km (0.034 R)
• M15: 36,659,108 km (0.05 R)
• M16: 39,162,179 km (0.065 R)
• M17: 41,377,724 km (0.105 R)
• M18: 42,719,318 km (0.066 R)
• M19: 44,367,288 km (0.102 R)
• M20: 45,772,760 km (0.099 R)
• M21: 47,352,812 km (0.049 R)

Kuiper Belt

Range: 30.2 - 47.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 153 - 19,043 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit