🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.27

Radius: 1.1

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.97 AU - 1.11 AU

Year: 395 Days

Day: 41 Hours

Environment

Temp: 3 °C

Axial Tilt: 28.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 48,976,800 km

• M1: 52,958 km (0.071 R)
• M2: 84,822 km (0.065 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.82

Radius: 1.88

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 2.41 AU - 2.47 AU

Year: 1421 Days

Day: 23.9 Hours

Environment

Temp: -90 °C

Axial Tilt: 23.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.53

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.95 AU - 3.11 AU

Year: 1500 Days

Day: 28.6 Hours

Environment

Temp: -84 °C

Axial Tilt: 23.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.54 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 8.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 337.8

Radius: 9.8

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 6.72 AU - 10.38 AU

Year: 9320 Days

Day: 10.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 48,976,800 km

• M1: 123,867 km (0.094 R)
• M2: 526,585 km (0.097 R)
• M3: 920,924 km (0.049 R)
• M4: 1,524,701 km (0.097 R)
• M5: 1,990,699 km (0.082 R)
• M6: 2,695,604 km (0.116 R)
• M7: 3,127,044 km (0.09 R)
• M8: 3,836,737 km (0.049 R)
• M9: 4,332,504 km (0.104 R)
• M10: 5,214,383 km (0.054 R)
• M11: 7,257,442 km (0.114 R)
• M12: 10,711,656 km (0.111 R)
• M13: 11,444,686 km (0.115 R)
• M14: 13,064,831 km (0.082 R)
• M15: 13,450,943 km (0.087 R)
• M16: 13,958,379 km (0.095 R)
• M17: 14,713,998 km (0.078 R)
• M18: 15,867,098 km (0.107 R)
• M19: 19,904,146 km (0.067 R)
• M20: 23,428,223 km (0.053 R)
• M21: 34,640,733 km (0.096 R)
• M22: 34,956,684 km (0.036 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 401.1

Radius: 10.7

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 6.94 AU - 10.42 AU

Year: 9533 Days

Day: 6.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 179.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 48,976,800 km

• M1: 145,260 km (0.092 R)
• M2: 491,579 km (0.094 R)
• M3: 869,912 km (0.101 R)
• M4: 1,549,684 km (0.114 R)
• M5: 1,954,197 km (0.094 R)
• M6: 2,940,047 km (0.111 R)
• M7: 3,408,139 km (0.036 R)
• M8: 4,152,089 km (0.068 R)
• M9: 4,659,375 km (0.054 R)
• M10: 6,894,816 km (0.063 R)
• M11: 7,492,161 km (0.052 R)
• M12: 9,314,113 km (0.108 R)
• M13: 9,766,347 km (0.098 R)
• M14: 11,161,048 km (0.055 R)
• M15: 16,858,782 km (0.063 R)
• M16: 18,361,942 km (0.107 R)
• M17: 19,436,653 km (0.064 R)
• M18: 19,952,466 km (0.099 R)
• M19: 22,750,246 km (0.032 R)
• M20: 25,273,513 km (0.037 R)
• M21: 28,352,387 km (0.1 R)
• M22: 28,825,415 km (0.081 R)
• M23: 30,177,630 km (0.071 R)
• M24: 30,670,705 km (0.102 R)
• M25: 32,079,917 km (0.051 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 109.8

Radius: 12.7

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 8.8 AU - 14.4 AU

Year: 14728 Days

Day: 15 Hours

Environment

Temp: -174 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 48,976,800 km

• M1: 168,896 km (0.059 R)
• M2: 734,077 km (0.071 R)
• M3: 1,488,200 km (0.091 R)
• M4: 2,661,197 km (0.112 R)
• M5: 3,235,353 km (0.094 R)
• M6: 4,301,238 km (0.092 R)
• M7: 9,413,446 km (0.114 R)
• M8: 11,517,390 km (0.03 R)
• M9: 12,063,722 km (0.115 R)
• M10: 15,955,810 km (0.064 R)
• M11: 16,386,053 km (0.09 R)
• M12: 22,325,238 km (0.11 R)
• M13: 25,521,696 km (0.083 R)
• M14: 26,795,372 km (0.088 R)
• M15: 30,775,723 km (0.087 R)
• M16: 32,512,105 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 267.3

Radius: 6

Gravity: 7.43 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 11.03 AU - 14.03 AU

Year: 16534 Days

Day: 16.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 48,976,800 km

• M1: 76,445 km (0.077 R)
• M2: 274,961 km (0.12 R)
• M3: 465,848 km (0.081 R)
• M4: 701,165 km (0.088 R)
• M5: 1,381,836 km (0.08 R)
• M6: 1,617,751 km (0.104 R)
• M7: 2,472,254 km (0.085 R)
• M8: 5,087,225 km (0.11 R)
• M9: 5,348,722 km (0.107 R)
• M10: 6,372,570 km (0.037 R)
• M11: 7,030,352 km (0.096 R)
• M12: 7,563,070 km (0.087 R)
• M13: 8,389,598 km (0.117 R)
• M14: 9,566,784 km (0.03 R)
• M15: 9,965,612 km (0.03 R)
• M16: 10,375,660 km (0.1 R)
• M17: 11,505,273 km (0.025 R)
• M18: 15,181,342 km (0.052 R)
• M19: 18,251,239 km (0.107 R)
• M20: 20,295,345 km (0.102 R)
• M21: 22,054,017 km (0.097 R)
• M22: 22,487,103 km (0.117 R)
• M23: 23,460,237 km (0.079 R)
• M24: 28,442,445 km (0.034 R)
• M25: 36,442,041 km (0.116 R)
• M26: 37,536,649 km (0.115 R)
• M27: 40,304,359 km (0.109 R)
• M28: 46,383,269 km (0.106 R)
• M29: 48,246,959 km (0.119 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: 348 - 12,537 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit