🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.28 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.72

Radius: 1.24

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.12 AU - 1.44 AU

Year: 509 Days

Day: 27.2 Hours

Environment

Temp: 9 °C

Axial Tilt: 33.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.41 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.76

Radius: 1.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.39 AU - 1.43 AU

Year: 588 Days

Day: 30.6 Hours

Environment

Temp: 12 °C

Axial Tilt: 9.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.58

Radius: 0.8

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.81 AU - 2.85 AU

Year: 1250 Days

Day: 18.1 Hours

Environment

Temp: -62 °C

Axial Tilt: 166.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.47 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740.7

Radius: 12.7

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 5.53 AU - 7.67 AU

Year: 5959 Days

Day: 5.8 Hours

Environment

Temp: -140 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 81,388,461 km

• M1: 162,613 km (0.114 R)
• M2: 585,376 km (0.04 R)
• M3: 1,221,467 km (0.098 R)
• M4: 1,735,934 km (0.083 R)
• M5: 3,234,755 km (0.093 R)
• M6: 3,828,210 km (0.055 R)
• M7: 4,339,086 km (0.12 R)
• M8: 8,146,801 km (0.065 R)
• M9: 8,544,282 km (0.099 R)
• M10: 8,996,367 km (0.07 R)
• M11: 11,208,172 km (0.1 R)
• M12: 13,374,648 km (0.12 R)
• M13: 13,817,009 km (0.104 R)
• M14: 15,143,493 km (0.093 R)
• M15: 18,657,846 km (0.12 R)
• M16: 19,988,819 km (0.025 R)
• M17: 21,532,370 km (0.026 R)
• M18: 22,604,837 km (0.09 R)
• M19: 27,607,240 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 123.6

Radius: 12.3

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 9.91 AU - 9.91 AU

Year: 10964 Days

Day: 10.5 Hours

Environment

Temp: -174 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 81,388,461 km

• M1: 153,039 km (0.06 R)
• M2: 574,306 km (0.117 R)
• M3: 1,082,939 km (0.102 R)
• M4: 1,749,846 km (0.093 R)
• M5: 3,033,396 km (0.099 R)
• M6: 3,998,003 km (0.052 R)
• M7: 5,184,015 km (0.097 R)
• M8: 7,592,541 km (0.107 R)
• M9: 8,020,391 km (0.103 R)
• M10: 8,464,098 km (0.117 R)
• M11: 11,903,503 km (0.089 R)
• M12: 13,488,043 km (0.074 R)
• M13: 18,629,872 km (0.075 R)
• M14: 19,410,473 km (0.086 R)
• M15: 21,106,764 km (0.057 R)
• M16: 23,871,332 km (0.116 R)
• M17: 24,870,197 km (0.12 R)
• M18: 26,218,074 km (0.107 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 225.9

Radius: 7.8

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 13.86 AU - 14.8 AU

Year: 19065 Days

Day: 17.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 81,388,461 km

• M1: 103,372 km (0.092 R)
• M2: 485,595 km (0.078 R)
• M3: 1,553,125 km (0.084 R)
• M4: 2,448,468 km (0.119 R)
• M5: 3,448,081 km (0.101 R)
• M6: 5,543,648 km (0.088 R)
• M7: 6,112,719 km (0.059 R)
• M8: 7,119,961 km (0.076 R)
• M9: 9,961,573 km (0.115 R)
• M10: 10,376,258 km (0.094 R)
• M11: 10,964,926 km (0.052 R)
• M12: 14,774,435 km (0.087 R)
• M13: 21,111,252 km (0.073 R)
• M14: 22,406,320 km (0.119 R)
• M15: 30,651,407 km (0.1 R)
• M16: 31,528,499 km (0.064 R)
• M17: 35,443,476 km (0.11 R)
• M18: 43,121,885 km (0.077 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 126

Radius: 3.7

Gravity: 9.2 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 11.46 AU - 17.96 AU

Year: 19829 Days

Day: 23.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 81,388,461 km

• M1: 46,076 km (0.102 R)
• M2: 272,418 km (0.085 R)
• M3: 455,526 km (0.046 R)
• M4: 1,160,730 km (0.082 R)
• M5: 2,258,479 km (0.119 R)
• M6: 2,556,478 km (0.086 R)
• M7: 2,776,088 km (0.104 R)
• M8: 3,276,044 km (0.113 R)
• M9: 3,439,405 km (0.112 R)
• M10: 5,195,983 km (0.042 R)
• M11: 9,658,338 km (0.119 R)
• M12: 9,897,844 km (0.059 R)
• M13: 10,239,675 km (0.087 R)
• M14: 12,234,712 km (0.11 R)
• M15: 13,088,767 km (0.097 R)
• M16: 22,134,052 km (0.063 R)
• M17: 22,383,133 km (0.082 R)
• M18: 22,802,605 km (0.083 R)
• M19: 25,067,816 km (0.073 R)
• M20: 35,403,383 km (0.089 R)
• M21: 38,429,000 km (0.097 R)
• M22: 42,383,919 km (0.108 R)
• M23: 42,639,731 km (0.097 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 487.9

Radius: 4.1

Gravity: 29.02 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 17.08 AU - 18.36 AU

Year: 26216 Days

Day: 16.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 81,388,461 km

• M1: 51,312 km (0.079 R)
• M2: 348,114 km (0.077 R)
• M3: 591,510 km (0.071 R)
• M4: 1,291,628 km (0.054 R)
• M5: 1,431,652 km (0.085 R)
• M6: 1,836,463 km (0.083 R)
• M7: 2,381,449 km (0.066 R)
• M8: 3,845,862 km (0.104 R)
• M9: 4,950,493 km (0.102 R)
• M10: 5,217,675 km (0.09 R)
• M11: 7,512,356 km (0.075 R)
• M12: 7,763,381 km (0.06 R)
• M13: 8,823,282 km (0.117 R)
• M14: 9,387,865 km (0.095 R)
• M15: 9,856,555 km (0.118 R)
• M16: 14,182,626 km (0.05 R)
• M17: 15,594,830 km (0.054 R)
• M18: 15,920,953 km (0.072 R)
• M19: 16,251,565 km (0.026 R)
• M20: 17,184,307 km (0.113 R)
• M21: 17,884,725 km (0.099 R)
• M22: 20,877,280 km (0.109 R)
• M23: 27,238,481 km (0.102 R)
• M24: 29,533,163 km (0.098 R)
• M25: 32,215,602 km (0.059 R)
• M26: 34,091,410 km (0.094 R)
• M27: 34,640,434 km (0.106 R)
• M28: 41,074,190 km (0.114 R)
• M29: 42,639,881 km (0.1 R)
• M30: 50,889,007 km (0.082 R)
• M31: 57,005,615 km (0.1 R)
• M32: 70,894,581 km (0.079 R)

Kuiper Belt

Range: 31.2 - 60.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 552 - 15,590 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit