🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.63

Radius: 0.83

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.58 AU - 0.88 AU

Year: 234 Days

Day: 31.8 Hours

Environment

Temp: 125 °C

Axial Tilt: 34.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.43

Radius: 1.15

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.89 AU - 1.27 AU

Year: 421 Days

Day: 45.2 Hours

Environment

Temp: 1 °C

Axial Tilt: 10.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 83,092,242 km

• M1: 633,248 km (0.089 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.97

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 2.19 AU - 2.37 AU

Year: 1290 Days

Day: 34.1 Hours

Environment

Temp: -87 °C

Axial Tilt: 27.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.59 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 334.2

Radius: 11.3

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 4.56 AU - 5.24 AU

Year: 4065 Days

Day: 8 Hours

Environment

Temp: -142 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 83,092,242 km

• M1: 140,622 km (0.1 R)
• M2: 497,862 km (0.09 R)
• M3: 984,952 km (0.055 R)
• M4: 1,631,664 km (0.087 R)
• M5: 2,900,703 km (0.027 R)
• M6: 3,433,122 km (0.075 R)
• M7: 4,739,859 km (0.09 R)
• M8: 5,233,981 km (0.078 R)
• M9: 9,713,240 km (0.092 R)
• M10: 10,434,751 km (0.078 R)
• M11: 12,027,370 km (0.073 R)
• M12: 17,112,650 km (0.039 R)
• M13: 17,940,076 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 109.7

Radius: 11.3

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 6.81 AU - 8.63 AU

Year: 8038 Days

Day: 6.7 Hours

Environment

Temp: -166 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 83,092,242 km

• M1: 142,118 km (0.118 R)
• M2: 511,326 km (0.085 R)
• M3: 922,420 km (0.116 R)
• M4: 1,348,326 km (0.059 R)
• M5: 4,548,972 km (0.069 R)
• M6: 5,191,495 km (0.096 R)
• M7: 8,144,258 km (0.092 R)
• M8: 13,066,327 km (0.06 R)
• M9: 16,881,372 km (0.106 R)
• M10: 20,361,467 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 485.9

Radius: 10.2

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 7.18 AU - 8.78 AU

Year: 8448 Days

Day: 5.7 Hours

Environment

Temp: -166 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 83,092,242 km

• M1: 126,859 km (0.114 R)
• M2: 450,140 km (0.077 R)
• M3: 1,409,810 km (0.1 R)
• M4: 1,745,358 km (0.109 R)
• M5: 2,118,605 km (0.111 R)
• M6: 2,581,910 km (0.113 R)
• M7: 3,196,458 km (0.08 R)
• M8: 3,930,385 km (0.091 R)
• M9: 4,578,892 km (0.115 R)
• M10: 5,795,272 km (0.108 R)
• M11: 6,122,143 km (0.104 R)
• M12: 6,530,845 km (0.036 R)
• M13: 11,172,867 km (0.109 R)
• M14: 11,888,543 km (0.047 R)
• M15: 12,418,269 km (0.115 R)
• M16: 13,130,355 km (0.1 R)
• M17: 13,524,994 km (0.109 R)
• M18: 13,985,606 km (0.096 R)
• M19: 15,555,336 km (0.105 R)
• M20: 16,643,362 km (0.069 R)
• M21: 17,508,935 km (0.089 R)
• M22: 19,402,245 km (0.1 R)
• M23: 19,914,618 km (0.1 R)
• M24: 24,428,734 km (0.08 R)
• M25: 27,149,321 km (0.114 R)
• M26: 27,882,799 km (0.119 R)
• M27: 29,293,956 km (0.094 R)
• M28: 34,768,640 km (0.086 R)
• M29: 37,406,948 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 211.1

Radius: 8.6

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 8.34 AU - 13.04 AU

Year: 13098 Days

Day: 13.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 83,092,242 km

• M1: 158,424 km (0.085 R)
• M2: 1,089,222 km (0.071 R)
• M3: 1,508,695 km (0.037 R)
• M4: 1,778,419 km (0.114 R)
• M5: 2,347,191 km (0.078 R)
• M6: 2,693,659 km (0.119 R)
• M7: 3,116,124 km (0.053 R)
• M8: 5,479,172 km (0.117 R)
• M9: 6,025,653 km (0.076 R)
• M10: 6,432,858 km (0.089 R)
• M11: 7,648,191 km (0.075 R)
• M12: 8,455,571 km (0.081 R)
• M13: 11,783,974 km (0.115 R)
• M14: 13,138,283 km (0.044 R)
• M15: 17,073,904 km (0.034 R)
• M16: 17,959,524 km (0.058 R)
• M17: 19,381,451 km (0.074 R)
• M18: 21,107,661 km (0.101 R)
• M19: 22,689,958 km (0.12 R)
• M20: 23,427,176 km (0.092 R)
• M21: 26,989,101 km (0.05 R)
• M22: 27,263,015 km (0.064 R)
• M23: 28,189,774 km (0.081 R)
• M24: 29,233,369 km (0.074 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 404.2

Radius: 4.5

Gravity: 19.96 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 9.83 AU - 14.93 AU

Year: 16323 Days

Day: 19.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 83,092,242 km

• M1: 71,957 km (0.095 R)
• M2: 391,647 km (0.098 R)
• M3: 816,056 km (0.119 R)
• M4: 1,023,399 km (0.07 R)
• M5: 5,475,731 km (0.105 R)
• M6: 5,873,960 km (0.059 R)
• M7: 6,252,443 km (0.056 R)
• M8: 11,260,681 km (0.11 R)
• M9: 11,549,853 km (0.108 R)
• M10: 12,083,020 km (0.09 R)
• M11: 12,632,343 km (0.045 R)
• M12: 13,584,833 km (0.085 R)
• M13: 20,238,348 km (0.11 R)
• M14: 22,894,757 km (0.105 R)
• M15: 38,913,548 km (0.108 R)
• M16: 40,377,213 km (0.119 R)
• M17: 42,571,066 km (0.098 R)
• M18: 43,413,900 km (0.113 R)
• M19: 49,318,828 km (0.091 R)
• M20: 51,189,250 km (0.065 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 816.5

Radius: 5.7

Gravity: 25.13 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 12.75 AU - 16.45 AU

Year: 20905 Days

Day: 23.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 83,092,242 km

• M1: 70,909 km (0.114 R)
• M2: 270,623 km (0.037 R)
• M3: 667,805 km (0.096 R)
• M4: 1,447,509 km (0.101 R)
• M5: 1,873,863 km (0.102 R)
• M6: 2,267,904 km (0.072 R)
• M7: 2,947,228 km (0.056 R)
• M8: 3,722,743 km (0.09 R)
• M9: 4,276,106 km (0.119 R)
• M10: 4,920,274 km (0.096 R)
• M11: 5,919,289 km (0.101 R)
• M12: 7,788,514 km (0.052 R)
• M13: 7,994,809 km (0.08 R)
• M14: 8,418,171 km (0.106 R)
• M15: 9,425,563 km (0.073 R)
• M16: 16,019,239 km (0.088 R)
• M17: 18,822,703 km (0.092 R)
• M18: 20,535,001 km (0.093 R)
• M19: 21,328,318 km (0.113 R)
• M20: 23,939,250 km (0.068 R)
• M21: 27,941,292 km (0.112 R)
• M22: 29,161,861 km (0.113 R)
• M23: 33,170,485 km (0.03 R)
• M24: 33,849,660 km (0.065 R)
• M25: 37,678,318 km (0.083 R)
• M26: 45,678,962 km (0.111 R)
• M27: 57,617,470 km (0.065 R)
• M28: 58,598,384 km (0.1 R)
• M29: 60,997,784 km (0.029 R)
• M30: 64,508,098 km (0.08 R)
• M31: 66,205,585 km (0.102 R)
• M32: 67,065,324 km (0.099 R)
• M33: 72,154,195 km (0.108 R)
• M34: 72,836,361 km (0.096 R)
• M35: 74,444,837 km (0.064 R)
• M36: 78,209,916 km (0.112 R)
• M37: 78,449,423 km (0.059 R)
• M38: 81,115,556 km (0.073 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 280 - 14,118 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit