🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.56

Radius: 0.79

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 1.17 AU - 1.21 AU

Year: 494 Days

Day: 28.6 Hours

Environment

Temp: -10 °C

Axial Tilt: 2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.38

Radius: 1.14

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.07 AU - 1.77 AU

Year: 644 Days

Day: 34.1 Hours

Environment

Temp: -47 °C

Axial Tilt: 21.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.23

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.39 AU - 1.45 AU

Year: 644 Days

Day: 44.8 Hours

Environment

Temp: -45 °C

Axial Tilt: 43.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.38

Radius: 0.68

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.32 AU - 1.74 AU

Year: 721 Days

Day: 40.6 Hours

Environment

Temp: -45 °C

Axial Tilt: 24.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.1 AU

Composition

Type: Inner (Rocky/Metallic)

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: 147.6

Radius: 9.1

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 4.42 AU - 4.9 AU

Year: 3831 Days

Day: 9 Hours

Environment

Temp: -150 °C

Axial Tilt: 161.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 96,593,289 km

• M1: 145,409 km (0.096 R)
• M2: 624,870 km (0.063 R)
• M3: 1,520,962 km (0.084 R)
• M4: 1,982,471 km (0.065 R)
• M5: 4,093,895 km (0.075 R)
• M6: 4,969,791 km (0.116 R)
• M7: 6,358,807 km (0.103 R)
• M8: 6,691,064 km (0.053 R)
• M9: 7,530,458 km (0.09 R)
• M10: 7,873,635 km (0.069 R)
• M11: 8,227,135 km (0.108 R)
• M12: 9,582,192 km (0.081 R)
• M13: 11,412,522 km (0.064 R)
• M14: 12,097,082 km (0.061 R)
• M15: 12,688,293 km (0.043 R)
• M16: 13,758,516 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 515.6

Radius: 11.3

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 5.47 AU - 6.31 AU

Year: 5443 Days

Day: 9.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 96,593,289 km

• M1: 140,772 km (0.091 R)
• M2: 511,176 km (0.037 R)
• M3: 1,010,683 km (0.107 R)
• M4: 1,512,734 km (0.082 R)
• M5: 1,936,993 km (0.044 R)
• M6: 2,392,668 km (0.111 R)
• M7: 3,564,768 km (0.101 R)
• M8: 4,772,022 km (0.08 R)
• M9: 6,203,375 km (0.1 R)
• M10: 6,869,385 km (0.086 R)
• M11: 8,048,216 km (0.081 R)
• M12: 8,840,935 km (0.101 R)
• M13: 10,714,349 km (0.078 R)
• M14: 13,091,459 km (0.088 R)
• M15: 13,553,866 km (0.106 R)
• M16: 14,566,195 km (0.095 R)
• M17: 15,513,898 km (0.056 R)
• M18: 16,207,433 km (0.104 R)
• M19: 18,668,917 km (0.069 R)
• M20: 19,387,286 km (0.105 R)
• M21: 21,369,757 km (0.111 R)
• M22: 22,011,681 km (0.058 R)
• M23: 23,484,023 km (0.069 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 69

Radius: 14.6

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 6.96 AU - 7.18 AU

Year: 7159 Days

Day: 14.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 96,593,289 km

• M1: 209,138 km (0.088 R)
• M2: 971,937 km (0.086 R)
• M3: 1,435,092 km (0.107 R)
• M4: 2,651,173 km (0.117 R)
• M5: 3,120,761 km (0.119 R)
• M6: 3,754,607 km (0.071 R)
• M7: 4,683,461 km (0.062 R)
• M8: 8,891,349 km (0.105 R)
• M9: 13,275,614 km (0.106 R)
• M10: 17,115,642 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 16.5

Radius: 4.2

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 15.52 AU - 17.3 AU

Year: 25314 Days

Day: 18.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 96,593,289 km

• M1: 71,508 km (0.098 R)
• M2: 443,558 km (0.12 R)
• M3: 585,825 km (0.08 R)
• M4: 1,807,890 km (0.094 R)
• M5: 4,879,733 km (0.107 R)
• M6: 6,108,679 km (0.096 R)
• M7: 8,445,099 km (0.038 R)
• M8: 11,271,900 km (0.09 R)
• M9: 20,033,249 km (0.111 R)
• M10: 22,471,844 km (0.083 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 475.2

Radius: 6.5

Gravity: 11.25 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 16.45 AU - 16.49 AU

Year: 25453 Days

Day: 16.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 96,593,289 km

• M1: 81,381 km (0.104 R)
• M2: 597,643 km (0.116 R)
• M3: 823,087 km (0.084 R)
• M4: 1,724,265 km (0.104 R)
• M5: 1,968,409 km (0.103 R)
• M6: 3,078,275 km (0.117 R)
• M7: 4,315,001 km (0.109 R)
• M8: 7,475,406 km (0.093 R)
• M9: 9,491,835 km (0.084 R)
• M10: 10,624,890 km (0.115 R)
• M11: 11,712,616 km (0.093 R)
• M12: 12,454,771 km (0.091 R)
• M13: 12,732,275 km (0.104 R)
• M14: 14,792,088 km (0.1 R)
• M15: 15,819,975 km (0.117 R)
• M16: 16,558,988 km (0.112 R)
• M17: 16,810,313 km (0.116 R)
• M18: 18,283,104 km (0.111 R)
• M19: 22,695,942 km (0.081 R)
• M20: 27,185,075 km (0.089 R)
• M21: 27,770,002 km (0.096 R)
• M22: 28,602,963 km (0.053 R)
• M23: 42,701,067 km (0.034 R)
• M24: 46,251,024 km (0.105 R)
• M25: 55,413,445 km (0.097 R)
• M26: 62,015,648 km (0.058 R)
• M27: 68,260,312 km (0.112 R)
• M28: 72,424,518 km (0.117 R)

Planet 10 - Ice Giant

Semi-Major Axis: 16.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 800.9

Radius: 4.3

Gravity: 43.32 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 15.29 AU - 18.51 AU

Year: 26456 Days

Day: 25 Hours

Environment

Temp: -192 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 96,593,289 km

• M1: 73,303 km (0.073 R)
• M2: 260,749 km (0.119 R)
• M3: 616,493 km (0.103 R)
• M4: 1,124,078 km (0.108 R)
• M5: 1,354,908 km (0.101 R)
• M6: 2,582,658 km (0.044 R)
• M7: 4,557,649 km (0.082 R)
• M8: 5,648,965 km (0.045 R)
• M9: 6,372,121 km (0.106 R)
• M10: 7,999,896 km (0.085 R)
• M11: 10,399,894 km (0.087 R)
• M12: 10,730,057 km (0.11 R)
• M13: 12,121,018 km (0.06 R)
• M14: 16,736,411 km (0.063 R)
• M15: 17,558,152 km (0.102 R)
• M16: 17,744,402 km (0.104 R)
• M17: 18,889,574 km (0.117 R)
• M18: 21,858,642 km (0.063 R)
• M19: 26,811,230 km (0.098 R)
• M20: 27,934,710 km (0.104 R)
• M21: 28,316,035 km (0.115 R)
• M22: 30,542,799 km (0.117 R)
• M23: 38,229,885 km (0.082 R)
• M24: 49,667,391 km (0.111 R)
• M25: 50,040,039 km (0.106 R)
• M26: 63,625,171 km (0.113 R)
• M27: 76,708,253 km (0.108 R)
• M28: 78,712,266 km (0.117 R)
• M29: 82,563,214 km (0.058 R)
• M30: 83,610,848 km (0.117 R)
• M31: 85,199,129 km (0.087 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 407 - 16,527 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit