🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.71

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.69 AU - 0.85 AU

Year: 259 Days

Day: 28.3 Hours

Environment

Temp: 122 °C

Axial Tilt: 13.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.57

Radius: 0.8

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.76 AU - 0.86 AU

Year: 279 Days

Day: 46.7 Hours

Environment

Temp: 25 °C

Axial Tilt: 18.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.19

Radius: 1.77

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.17 AU - 1.71 AU

Year: 662 Days

Day: 17.6 Hours

Environment

Temp: -59 °C

Axial Tilt: 38.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 77,720,636 km

• M1: 205,099 km (0.059 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.14

Radius: 1.36

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 3.04 AU - 3.56 AU

Year: 2295 Days

Day: 20 Hours

Environment

Temp: -123 °C

Axial Tilt: 27.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.98 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851.5

Radius: 11.8

Gravity: 6.12 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 3.67 AU - 5.65 AU

Year: 3852 Days

Day: 10.5 Hours

Environment

Temp: -141 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 77,720,636 km

• M1: 146,756 km (0.067 R)
• M2: 704,905 km (0.036 R)
• M3: 1,300,305 km (0.101 R)
• M4: 1,870,422 km (0.079 R)
• M5: 2,289,296 km (0.062 R)
• M6: 2,892,774 km (0.073 R)
• M7: 5,067,179 km (0.082 R)
• M8: 5,607,377 km (0.113 R)
• M9: 8,199,310 km (0.113 R)
• M10: 10,703,279 km (0.064 R)
• M11: 15,218,741 km (0.086 R)
• M12: 19,148,527 km (0.099 R)
• M13: 19,732,109 km (0.107 R)
• M14: 24,760,692 km (0.096 R)
• M15: 26,238,719 km (0.071 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 246.6

Radius: 10.7

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 9.27 AU - 10.41 AU

Year: 11818 Days

Day: 7.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 77,720,636 km

• M1: 133,142 km (0.111 R)
• M2: 571,464 km (0.109 R)
• M3: 1,461,122 km (0.115 R)
• M4: 2,789,402 km (0.08 R)
• M5: 4,281,341 km (0.056 R)
• M6: 5,755,928 km (0.086 R)
• M7: 6,383,790 km (0.104 R)
• M8: 10,183,725 km (0.071 R)
• M9: 10,612,323 km (0.049 R)
• M10: 11,152,671 km (0.109 R)
• M11: 11,866,701 km (0.097 R)
• M12: 12,719,709 km (0.092 R)
• M13: 14,075,215 km (0.099 R)
• M14: 16,029,262 km (0.108 R)
• M15: 23,213,251 km (0.113 R)
• M16: 24,546,168 km (0.081 R)
• M17: 26,909,964 km (0.119 R)
• M18: 35,992,051 km (0.093 R)
• M19: 37,775,258 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 314.7

Radius: 3.9

Gravity: 20.69 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 9.86 AU - 14.2 AU

Year: 15976 Days

Day: 16.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 77,720,636 km

• M1: 48,619 km (0.112 R)
• M2: 232,924 km (0.109 R)
• M3: 496,366 km (0.104 R)
• M4: 729,290 km (0.072 R)
• M5: 1,217,427 km (0.12 R)
• M6: 1,358,049 km (0.105 R)
• M7: 1,538,315 km (0.089 R)
• M8: 2,086,292 km (0.069 R)
• M9: 2,424,233 km (0.031 R)
• M10: 2,565,005 km (0.078 R)
• M11: 3,580,027 km (0.118 R)
• M12: 3,979,902 km (0.094 R)
• M13: 4,468,339 km (0.111 R)
• M14: 4,805,084 km (0.087 R)
• M15: 4,963,657 km (0.102 R)
• M16: 5,494,580 km (0.104 R)
• M17: 5,989,450 km (0.052 R)
• M18: 6,668,475 km (0.042 R)
• M19: 10,262,115 km (0.105 R)
• M20: 10,419,492 km (0.082 R)
• M21: 11,010,403 km (0.106 R)
• M22: 11,454,111 km (0.116 R)
• M23: 12,675,128 km (0.106 R)
• M24: 15,717,051 km (0.1 R)
• M25: 16,421,657 km (0.097 R)
• M26: 16,781,889 km (0.098 R)
• M27: 18,429,111 km (0.105 R)
• M28: 20,844,668 km (0.111 R)
• M29: 22,128,068 km (0.11 R)
• M30: 24,196,708 km (0.112 R)
• M31: 29,658,675 km (0.062 R)
• M32: 34,460,618 km (0.107 R)
• M33: 36,983,586 km (0.116 R)
• M34: 41,990,327 km (0.086 R)
• M35: 45,709,330 km (0.12 R)
• M36: 46,851,959 km (0.086 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 634.8

Radius: 3.5

Gravity: 51.82 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 13.29 AU - 15.99 AU

Year: 21448 Days

Day: 15.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 77,720,636 km

• M1: 43,832 km (0.091 R)
• M2: 171,140 km (0.119 R)
• M3: 295,306 km (0.108 R)
• M4: 438,771 km (0.111 R)
• M5: 882,029 km (0.12 R)
• M6: 1,026,092 km (0.059 R)
• M7: 1,199,925 km (0.034 R)
• M8: 1,424,621 km (0.078 R)
• M9: 2,335,223 km (0.054 R)
• M10: 2,990,013 km (0.071 R)
• M11: 3,345,457 km (0.077 R)
• M12: 3,728,428 km (0.102 R)
• M13: 3,883,112 km (0.116 R)
• M14: 4,476,267 km (0.117 R)
• M15: 6,981,284 km (0.107 R)
• M16: 7,169,179 km (0.076 R)
• M17: 7,604,359 km (0.091 R)
• M18: 8,905,262 km (0.101 R)
• M19: 10,347,535 km (0.085 R)
• M20: 10,715,396 km (0.076 R)
• M21: 10,840,011 km (0.116 R)
• M22: 18,556,120 km (0.059 R)
• M23: 22,172,948 km (0.032 R)
• M24: 22,990,051 km (0.105 R)
• M25: 29,890,253 km (0.065 R)
• M26: 31,904,588 km (0.078 R)
• M27: 32,421,898 km (0.097 R)
• M28: 39,665,277 km (0.03 R)
• M29: 40,263,369 km (0.098 R)
• M30: 44,297,874 km (0.062 R)
• M31: 45,428,535 km (0.108 R)
• M32: 48,423,634 km (0.12 R)
• M33: 50,143,112 km (0.105 R)
• M34: 51,902,981 km (0.061 R)
• M35: 56,481,574 km (0.078 R)
• M36: 69,846,647 km (0.112 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 504 - 17,215 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit