🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.22

Radius: 0.55

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.83 AU - 1.27 AU

Year: 399 Days

Day: 47.4 Hours

Environment

Temp: 18 °C

Axial Tilt: 26.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.76

Radius: 1.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.18 AU - 1.46 AU

Year: 562 Days

Day: 27.9 Hours

Environment

Temp: -17 °C

Axial Tilt: 4.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.79

Radius: 0.91

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.26 AU - 1.52 AU

Year: 608 Days

Day: 26.2 Hours

Environment

Temp: -34 °C

Axial Tilt: 45.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.13 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 564.1

Radius: 14.2

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 5.35 AU - 8.37 AU

Year: 6663 Days

Day: 11.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 66,530,200 km

• M1: 185,501 km (0.086 R)
• M2: 636,240 km (0.06 R)
• M3: 1,676,543 km (0.117 R)
• M4: 2,230,504 km (0.083 R)
• M5: 3,002,728 km (0.038 R)
• M6: 4,438,868 km (0.068 R)
• M7: 5,486,502 km (0.027 R)
• M8: 6,164,928 km (0.082 R)
• M9: 7,003,275 km (0.085 R)
• M10: 10,024,553 km (0.05 R)
• M11: 11,623,605 km (0.06 R)
• M12: 14,968,613 km (0.06 R)
• M13: 16,358,228 km (0.104 R)
• M14: 20,028,313 km (0.116 R)
• M15: 22,169,357 km (0.048 R)
• M16: 22,630,717 km (0.097 R)
• M17: 26,042,297 km (0.066 R)
• M18: 30,063,038 km (0.113 R)
• M19: 30,533,973 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 10.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620.1

Radius: 14.6

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 10.1 AU - 10.38 AU

Year: 12152 Days

Day: 10.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 66,530,200 km

• M1: 181,612 km (0.088 R)
• M2: 1,033,721 km (0.098 R)
• M3: 1,588,131 km (0.079 R)
• M4: 2,268,053 km (0.067 R)
• M5: 2,934,362 km (0.058 R)
• M6: 3,625,654 km (0.045 R)
• M7: 5,270,183 km (0.111 R)
• M8: 6,074,122 km (0.058 R)
• M9: 6,838,567 km (0.105 R)
• M10: 8,467,539 km (0.106 R)
• M11: 9,522,204 km (0.1 R)
• M12: 10,081,401 km (0.097 R)
• M13: 10,879,356 km (0.045 R)
• M14: 12,008,520 km (0.117 R)
• M15: 15,796,488 km (0.081 R)
• M16: 16,509,471 km (0.085 R)
• M17: 17,243,698 km (0.103 R)
• M18: 17,770,581 km (0.082 R)
• M19: 19,175,006 km (0.076 R)
• M20: 24,581,473 km (0.084 R)
• M21: 25,539,348 km (0.112 R)
• M22: 27,734,548 km (0.111 R)
• M23: 31,037,669 km (0.104 R)
• M24: 34,475,876 km (0.069 R)
• M25: 38,160,322 km (0.088 R)
• M26: 41,694,123 km (0.099 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 926.8

Radius: 5.5

Gravity: 30.64 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 12.61 AU - 15.19 AU

Year: 19219 Days

Day: 22.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 66,530,200 km

• M1: 68,516 km (0.104 R)
• M2: 333,902 km (0.093 R)
• M3: 537,954 km (0.083 R)
• M4: 1,257,819 km (0.076 R)
• M5: 2,107,086 km (0.075 R)
• M6: 2,437,548 km (0.098 R)
• M7: 2,905,340 km (0.093 R)
• M8: 3,315,089 km (0.107 R)
• M9: 4,421,066 km (0.106 R)
• M10: 6,578,566 km (0.097 R)
• M11: 13,691,496 km (0.066 R)
• M12: 14,218,230 km (0.106 R)
• M13: 14,836,818 km (0.053 R)
• M14: 16,461,301 km (0.063 R)
• M15: 28,882,263 km (0.032 R)
• M16: 30,758,070 km (0.116 R)
• M17: 31,271,789 km (0.095 R)
• M18: 34,612,310 km (0.062 R)
• M19: 38,478,966 km (0.113 R)
• M20: 38,925,516 km (0.083 R)
• M21: 39,829,087 km (0.078 R)
• M22: 56,632,817 km (0.111 R)
• M23: 56,825,050 km (0.117 R)
• M24: 60,559,612 km (0.069 R)
• M25: 63,000,750 km (0.07 R)
• M26: 75,262,838 km (0.089 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 429.7

Radius: 7.5

Gravity: 7.64 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 12.64 AU - 16.52 AU

Year: 20646 Days

Day: 16.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 66,530,200 km

• M1: 95,593 km (0.111 R)
• M2: 350,358 km (0.107 R)
• M3: 933,640 km (0.05 R)
• M4: 1,221,018 km (0.101 R)
• M5: 1,905,129 km (0.061 R)
• M6: 2,249,952 km (0.104 R)
• M7: 3,681,604 km (0.107 R)
• M8: 4,910,700 km (0.119 R)
• M9: 5,412,451 km (0.112 R)
• M10: 7,394,772 km (0.111 R)
• M11: 8,598,736 km (0.11 R)
• M12: 9,434,839 km (0.092 R)
• M13: 14,515,481 km (0.092 R)
• M14: 14,878,406 km (0.089 R)
• M15: 16,944,053 km (0.098 R)
• M16: 17,346,621 km (0.107 R)
• M17: 20,074,987 km (0.106 R)
• M18: 20,707,936 km (0.057 R)
• M19: 22,204,363 km (0.111 R)
• M20: 29,953,682 km (0.037 R)
• M21: 31,864,197 km (0.101 R)
• M22: 37,670,689 km (0.098 R)
• M23: 42,350,858 km (0.104 R)
• M24: 46,771,475 km (0.109 R)
• M25: 58,140,764 km (0.089 R)
• M26: 60,354,214 km (0.115 R)
• M27: 64,557,016 km (0.089 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 262 - 13,383 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit