🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.21

Radius: 0.54

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.6 AU - 0.82 AU

Year: 263 Days

Day: 42 Hours

Environment

Temp: -19 °C

Axial Tilt: 25.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 92,540,333 km

• M1: 37,100 km (0.119 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.08

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.8 AU - 1 AU

Year: 375 Days

Day: 25.5 Hours

Environment

Temp: -50 °C

Axial Tilt: 24.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 92,540,333 km

• M1: 190,288 km (0.061 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.79

Radius: 0.91

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 2.04 AU - 2.44 AU

Year: 1474 Days

Day: 40.4 Hours

Environment

Temp: -120 °C

Axial Tilt: 44.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 92,540,333 km

• M1: 41,738 km (0.086 R)

Asteroid Belt

Center: 2.62 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298.6

Radius: 9.8

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 2.6 AU - 3.38 AU

Year: 2273 Days

Day: 5.4 Hours

Environment

Temp: -140 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 92,540,333 km

• M1: 122,969 km (0.107 R)
• M2: 545,135 km (0.094 R)
• M3: 1,094,757 km (0.092 R)
• M4: 1,532,630 km (0.063 R)
• M5: 2,041,113 km (0.098 R)
• M6: 2,877,216 km (0.114 R)
• M7: 4,067,267 km (0.056 R)
• M8: 4,802,840 km (0.103 R)
• M9: 6,990,858 km (0.056 R)
• M10: 9,452,790 km (0.047 R)
• M11: 9,934,795 km (0.106 R)
• M12: 10,466,765 km (0.1 R)
• M13: 11,088,045 km (0.116 R)
• M14: 13,497,617 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 404.3

Radius: 13.6

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 6.81 AU - 9.21 AU

Year: 9968 Days

Day: 8.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 92,540,333 km

• M1: 169,195 km (0.104 R)
• M2: 642,672 km (0.108 R)
• M3: 1,094,009 km (0.105 R)
• M4: 2,127,880 km (0.107 R)
• M5: 2,902,647 km (0.107 R)
• M6: 3,883,112 km (0.097 R)
• M7: 4,956,327 km (0.105 R)
• M8: 5,531,531 km (0.113 R)
• M9: 9,104,526 km (0.034 R)
• M10: 11,447,827 km (0.1 R)
• M11: 13,581,392 km (0.105 R)
• M12: 15,520,629 km (0.065 R)
• M13: 18,838,561 km (0.101 R)
• M14: 21,323,082 km (0.117 R)
• M15: 22,036,963 km (0.056 R)
• M16: 24,791,808 km (0.071 R)
• M17: 25,670,097 km (0.077 R)
• M18: 26,568,881 km (0.116 R)
• M19: 27,488,758 km (0.057 R)
• M20: 28,334,585 km (0.069 R)
• M21: 28,907,993 km (0.048 R)
• M22: 29,979,563 km (0.037 R)
• M23: 31,995,394 km (0.086 R)
• M24: 33,885,563 km (0.053 R)
• M25: 34,640,434 km (0.061 R)
• M26: 35,406,375 km (0.119 R)
• M27: 37,887,456 km (0.101 R)
• M28: 40,002,171 km (0.09 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 21.4

Radius: 6.3

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 10.21 AU - 10.99 AU

Year: 15175 Days

Day: 19.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 92,540,333 km

• M1: 78,988 km (0.105 R)
• M2: 377,585 km (0.077 R)
• M3: 636,240 km (0.101 R)
• M4: 879,635 km (0.105 R)
• M5: 1,397,394 km (0.085 R)
• M6: 1,851,872 km (0.112 R)
• M7: 2,233,496 km (0.103 R)
• M8: 2,457,743 km (0.107 R)
• M9: 3,912,732 km (0.115 R)
• M10: 5,431,450 km (0.099 R)
• M11: 9,574,264 km (0.105 R)
• M12: 11,555,837 km (0.113 R)
• M13: 12,974,773 km (0.077 R)
• M14: 13,244,647 km (0.116 R)
• M15: 13,888,966 km (0.103 R)
• M16: 17,867,072 km (0.109 R)
• M17: 18,426,419 km (0.066 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 802.8

Radius: 4.9

Gravity: 33.44 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 10.88 AU - 17.38 AU

Year: 23355 Days

Day: 17.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 92,540,333 km

• M1: 63,579 km (0.091 R)
• M2: 243,097 km (0.034 R)
• M3: 460,313 km (0.094 R)
• M4: 761,453 km (0.047 R)
• M5: 932,144 km (0.093 R)
• M6: 1,128,566 km (0.09 R)
• M7: 1,305,241 km (0.077 R)
• M8: 4,348,361 km (0.059 R)
• M9: 5,456,882 km (0.115 R)
• M10: 5,966,412 km (0.104 R)
• M11: 6,553,584 km (0.105 R)
• M12: 6,933,562 km (0.088 R)
• M13: 8,107,905 km (0.08 R)
• M14: 10,648,376 km (0.117 R)
• M15: 10,974,350 km (0.106 R)
• M16: 12,851,504 km (0.12 R)
• M17: 16,785,629 km (0.058 R)
• M18: 17,858,545 km (0.115 R)
• M19: 24,249,964 km (0.1 R)
• M20: 26,204,161 km (0.051 R)
• M21: 27,038,469 km (0.091 R)
• M22: 29,264,934 km (0.098 R)
• M23: 31,211,202 km (0.106 R)
• M24: 31,477,038 km (0.111 R)
• M25: 33,658,623 km (0.118 R)
• M26: 36,377,565 km (0.089 R)
• M27: 36,671,973 km (0.096 R)
• M28: 41,441,752 km (0.076 R)
• M29: 48,718,940 km (0.039 R)
• M30: 49,797,541 km (0.084 R)
• M31: 51,260,309 km (0.114 R)
• M32: 51,630,414 km (0.112 R)
• M33: 52,188,863 km (0.09 R)
• M34: 62,731,623 km (0.109 R)
• M35: 67,939,574 km (0.103 R)
• M36: 82,457,299 km (0.075 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 780.1

Radius: 6.5

Gravity: 18.46 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 13.42 AU - 16.26 AU

Year: 25137 Days

Day: 16.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 92,540,333 km

• M1: 83,326 km (0.097 R)
• M2: 313,408 km (0.106 R)
• M3: 2,756,042 km (0.113 R)
• M4: 3,110,589 km (0.085 R)
• M5: 7,029,305 km (0.102 R)
• M6: 7,279,283 km (0.119 R)
• M7: 11,159,552 km (0.092 R)
• M8: 13,156,534 km (0.11 R)
• M9: 15,801,873 km (0.063 R)
• M10: 28,139,060 km (0.096 R)
• M11: 36,643,699 km (0.112 R)
• M12: 36,943,344 km (0.038 R)
• M13: 42,456,324 km (0.094 R)
• M14: 52,566,747 km (0.092 R)
• M15: 59,095,647 km (0.076 R)
• M16: 65,261,921 km (0.101 R)
• M17: 76,143,222 km (0.112 R)
• M18: 77,121,592 km (0.105 R)
• M19: 90,612,178 km (0.112 R)
• M20: 91,710,675 km (0.084 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 262 - 14,370 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit