🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.35

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.31 AU - 1.35 AU

Year: 539 Days

Day: 43.6 Hours

Environment

Temp: 20 °C

Axial Tilt: 33.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.5 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.39

Radius: 0.69

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.31 AU - 1.69 AU

Year: 646 Days

Day: 15.6 Hours

Environment

Temp: 4 °C

Axial Tilt: 6.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.66

Radius: 1.22

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.5 AU - 2.3 AU

Year: 920 Days

Day: 24.2 Hours

Environment

Temp: -40 °C

Axial Tilt: 12.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.55

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.97 AU - 2.33 AU

Year: 1108 Days

Day: 34.8 Hours

Environment

Temp: -50 °C

Axial Tilt: 36.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.57 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 8.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 445.7

Radius: 9

Gravity: 5.5 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 8.41 AU - 9.57 AU

Year: 9474 Days

Day: 14.4 Hours

Environment

Temp: -166 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 105,028,144 km

• M1: 111,899 km (0.111 R)
• M2: 487,240 km (0.038 R)
• M3: 806,033 km (0.094 R)
• M4: 1,560,755 km (0.097 R)
• M5: 2,321,609 km (0.113 R)
• M6: 5,257,318 km (0.062 R)
• M7: 7,090,789 km (0.118 R)
• M8: 8,959,267 km (0.074 R)
• M9: 14,471,948 km (0.089 R)
• M10: 15,086,496 km (0.08 R)
• M11: 18,781,414 km (0.109 R)
• M12: 21,344,475 km (0.077 R)
• M13: 21,819,897 km (0.099 R)
• M14: 22,791,684 km (0.083 R)
• M15: 23,707,672 km (0.071 R)
• M16: 25,435,677 km (0.095 R)
• M17: 26,149,708 km (0.116 R)
• M18: 28,850,997 km (0.113 R)
• M19: 29,823,981 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 59.1

Radius: 13.9

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 9.16 AU - 9.92 AU

Year: 10356 Days

Day: 6.9 Hours

Environment

Temp: -165 °C

Axial Tilt: 138.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 105,028,144 km

• M1: 193,131 km (0.065 R)
• M2: 660,325 km (0.106 R)
• M3: 1,601,595 km (0.109 R)
• M4: 2,068,191 km (0.105 R)
• M5: 2,507,111 km (0.112 R)
• M6: 3,338,725 km (0.119 R)
• M7: 4,795,360 km (0.104 R)
• M8: 5,323,590 km (0.119 R)
• M9: 6,161,488 km (0.12 R)
• M10: 8,959,117 km (0.091 R)
• M11: 10,497,432 km (0.069 R)
• M12: 12,381,917 km (0.077 R)
• M13: 12,829,663 km (0.053 R)
• M14: 13,381,081 km (0.09 R)
• M15: 14,729,855 km (0.094 R)
• M16: 19,023,464 km (0.082 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 243.7

Radius: 3.2

Gravity: 23.8 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 14.45 AU - 17.35 AU

Year: 22283 Days

Day: 16.8 Hours

Environment

Temp: -181 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 105,028,144 km

• M1: 209,138 km (0.089 R)
• M2: 753,524 km (0.085 R)
• M3: 1,192,295 km (0.075 R)
• M4: 3,344,111 km (0.083 R)
• M5: 4,059,787 km (0.11 R)
• M6: 5,176,834 km (0.118 R)
• M7: 6,727,715 km (0.107 R)
• M8: 6,893,919 km (0.109 R)
• M9: 8,709,139 km (0.118 R)
• M10: 9,361,685 km (0.059 R)
• M11: 9,464,908 km (0.07 R)
• M12: 11,632,132 km (0.113 R)
• M13: 20,243,135 km (0.032 R)
• M14: 21,294,060 km (0.027 R)
• M15: 23,031,340 km (0.12 R)
• M16: 24,467,929 km (0.039 R)
• M17: 30,133,349 km (0.049 R)
• M18: 30,812,225 km (0.104 R)
• M19: 36,485,724 km (0.063 R)
• M20: 54,705,249 km (0.083 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 829.4

Radius: 3.2

Gravity: 81 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 17.63 AU - 20.69 AU

Year: 29476 Days

Day: 16.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 105,028,144 km

• M1: 40,691 km (0.056 R)
• M2: 401,221 km (0.046 R)
• M3: 622,028 km (0.091 R)
• M4: 998,267 km (0.108 R)
• M5: 1,801,158 km (0.093 R)
• M6: 2,369,331 km (0.091 R)
• M7: 2,547,801 km (0.051 R)
• M8: 3,480,095 km (0.076 R)
• M9: 4,856,994 km (0.108 R)
• M10: 5,314,764 km (0.102 R)
• M11: 6,363,893 km (0.115 R)
• M12: 7,489,617 km (0.108 R)
• M13: 7,707,581 km (0.12 R)
• M14: 7,929,884 km (0.084 R)
• M15: 8,922,316 km (0.069 R)
• M16: 9,044,238 km (0.086 R)
• M17: 9,167,358 km (0.107 R)
• M18: 10,595,868 km (0.077 R)
• M19: 14,048,736 km (0.042 R)
• M20: 15,231,906 km (0.083 R)
• M21: 18,875,362 km (0.06 R)
• M22: 19,076,421 km (0.06 R)
• M23: 20,843,771 km (0.038 R)
• M24: 22,604,089 km (0.102 R)
• M25: 22,830,879 km (0.096 R)
• M26: 24,223,486 km (0.112 R)
• M27: 26,417,039 km (0.053 R)
• M28: 29,273,311 km (0.118 R)
• M29: 35,132,761 km (0.103 R)
• M30: 37,775,258 km (0.115 R)
• M31: 40,380,654 km (0.04 R)
• M32: 42,756,268 km (0.086 R)
• M33: 43,978,333 km (0.064 R)
• M34: 63,384,618 km (0.118 R)
• M35: 68,936,793 km (0.098 R)
• M36: 75,307,718 km (0.026 R)
• M37: 76,067,226 km (0.083 R)
• M38: 76,321,393 km (0.059 R)
• M39: 88,921,872 km (0.1 R)
• M40: 92,347,364 km (0.095 R)
• M41: 101,601,488 km (0.069 R)

Kuiper Belt

Range: 31.2 - 57.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 250 - 17,680 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit