🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.11

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.54 AU - 0.66 AU

Year: 172 Days

Day: 16.1 Hours

Environment

Temp: 183 °C

Axial Tilt: 42.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.5

Radius: 1.44

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.71 AU - 0.83 AU

Year: 251 Days

Day: 26 Hours

Environment

Temp: 88 °C

Axial Tilt: 16 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.77

Radius: 1.26

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.29 AU - 1.93 AU

Year: 758 Days

Day: 16.4 Hours

Environment

Temp: -43 °C

Axial Tilt: 26.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.35

Radius: 1.62

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.71 AU - 1.91 AU

Year: 903 Days

Day: 40.6 Hours

Environment

Temp: -72 °C

Axial Tilt: 22.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.68

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 2.73 AU - 2.85 AU

Year: 1728 Days

Day: 21.4 Hours

Environment

Temp: -95 °C

Axial Tilt: 26.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.99 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 686

Radius: 8.1

Gravity: 10.46 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 4.02 AU - 6.36 AU

Year: 4385 Days

Day: 5.2 Hours

Environment

Temp: -144 °C

Axial Tilt: 174.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 100,562,523 km

• M1: 100,829 km (0.081 R)
• M2: 356,193 km (0.065 R)
• M3: 890,855 km (0.105 R)
• M4: 1,175,091 km (0.097 R)
• M5: 1,486,404 km (0.086 R)
• M6: 2,001,470 km (0.063 R)
• M7: 3,074,984 km (0.118 R)
• M8: 3,737,553 km (0.101 R)
• M9: 4,491,676 km (0.105 R)
• M10: 5,074,809 km (0.102 R)
• M11: 6,027,897 km (0.11 R)
• M12: 7,993,313 km (0.048 R)
• M13: 9,003,697 km (0.12 R)
• M14: 9,600,593 km (0.101 R)
• M15: 11,735,205 km (0.068 R)
• M16: 15,250,905 km (0.06 R)
• M17: 15,699,249 km (0.11 R)
• M18: 16,681,060 km (0.083 R)
• M19: 19,022,865 km (0.099 R)
• M20: 21,366,166 km (0.074 R)
• M21: 26,057,107 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 981.6

Radius: 3.2

Gravity: 95.86 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 11.58 AU - 17.26 AU

Year: 20307 Days

Day: 17.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 100,562,523 km

• M1: 39,793 km (0.075 R)
• M2: 217,216 km (0.088 R)
• M3: 387,907 km (0.084 R)
• M4: 643,420 km (0.113 R)
• M5: 1,267,393 km (0.034 R)
• M6: 3,238,345 km (0.046 R)
• M7: 3,535,147 km (0.041 R)
• M8: 4,356,589 km (0.082 R)
• M9: 5,337,652 km (0.068 R)
• M10: 5,542,003 km (0.111 R)
• M11: 5,751,440 km (0.11 R)
• M12: 6,141,741 km (0.111 R)
• M13: 6,503,169 km (0.101 R)
• M14: 9,322,939 km (0.04 R)
• M15: 10,867,238 km (0.072 R)
• M16: 11,871,189 km (0.029 R)
• M17: 12,574,000 km (0.087 R)
• M18: 14,216,585 km (0.066 R)
• M19: 15,170,271 km (0.087 R)
• M20: 17,292,467 km (0.11 R)
• M21: 17,829,673 km (0.051 R)
• M22: 18,285,797 km (0.063 R)
• M23: 19,031,692 km (0.079 R)
• M24: 20,286,668 km (0.084 R)
• M25: 22,009,736 km (0.065 R)
• M26: 22,746,655 km (0.057 R)
• M27: 29,750,379 km (0.099 R)
• M28: 30,005,743 km (0.117 R)
• M29: 31,436,646 km (0.066 R)
• M30: 31,701,584 km (0.074 R)
• M31: 35,856,515 km (0.053 R)
• M32: 40,830,046 km (0.099 R)
• M33: 42,423,114 km (0.064 R)
• M34: 57,869,543 km (0.083 R)
• M35: 60,488,553 km (0.069 R)
• M36: 62,765,582 km (0.062 R)
• M37: 64,670,412 km (0.061 R)
• M38: 66,178,508 km (0.091 R)
• M39: 71,755,367 km (0.114 R)
• M40: 78,121,354 km (0.034 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 411.3

Radius: 6.5

Gravity: 9.73 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 13.05 AU - 16.65 AU

Year: 21222 Days

Day: 21.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 100,562,523 km

• M1: 81,082 km (0.061 R)
• M2: 343,926 km (0.111 R)
• M3: 575,353 km (0.096 R)
• M4: 1,186,760 km (0.037 R)
• M5: 1,437,935 km (0.114 R)
• M6: 2,749,010 km (0.089 R)
• M7: 3,014,696 km (0.091 R)
• M8: 3,542,178 km (0.05 R)
• M9: 4,007,129 km (0.099 R)
• M10: 4,745,544 km (0.051 R)
• M11: 6,240,326 km (0.098 R)
• M12: 7,737,351 km (0.062 R)
• M13: 12,239,200 km (0.09 R)
• M14: 16,998,357 km (0.098 R)
• M15: 19,169,770 km (0.078 R)
• M16: 20,868,903 km (0.065 R)
• M17: 27,660,945 km (0.085 R)
• M18: 34,359,489 km (0.074 R)
• M19: 45,690,182 km (0.099 R)
• M20: 57,629,737 km (0.093 R)
• M21: 63,630,258 km (0.11 R)
• M22: 66,780,938 km (0.116 R)

Planet 9 - Ice Giant

Semi-Major Axis: 19.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 635.8

Radius: 6.6

Gravity: 14.6 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 18.24 AU - 20.44 AU

Year: 31542 Days

Day: 20.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 100,562,523 km

• M1: 82,129 km (0.055 R)
• M2: 318,494 km (0.099 R)
• M3: 558,449 km (0.113 R)
• M4: 850,314 km (0.099 R)
• M5: 1,211,444 km (0.1 R)
• M6: 2,482,277 km (0.079 R)
• M7: 2,849,690 km (0.119 R)
• M8: 3,927,692 km (0.062 R)
• M9: 4,427,199 km (0.077 R)
• M10: 5,595,708 km (0.073 R)
• M11: 6,906,485 km (0.065 R)
• M12: 8,699,864 km (0.075 R)
• M13: 9,547,037 km (0.062 R)
• M14: 10,850,782 km (0.092 R)
• M15: 11,263,972 km (0.039 R)
• M16: 14,292,132 km (0.085 R)
• M17: 16,258,297 km (0.114 R)
• M18: 17,917,786 km (0.096 R)
• M19: 18,205,014 km (0.119 R)
• M20: 19,184,281 km (0.1 R)
• M21: 21,569,470 km (0.057 R)
• M22: 23,568,845 km (0.029 R)
• M23: 33,959,465 km (0.052 R)
• M24: 38,373,051 km (0.087 R)
• M25: 39,979,433 km (0.079 R)
• M26: 54,676,975 km (0.095 R)
• M27: 56,914,809 km (0.093 R)
• M28: 59,637,191 km (0.091 R)
• M29: 71,156,676 km (0.095 R)
• M30: 71,876,990 km (0.097 R)
• M31: 74,067,252 km (0.05 R)
• M32: 81,688,964 km (0.116 R)
• M33: 88,149,947 km (0.075 R)
• M34: 89,258,916 km (0.093 R)
• M35: 94,943,336 km (0.119 R)
• M36: 98,170,162 km (0.107 R)
• M37: 99,361,559 km (0.102 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 494 - 15,142 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit