🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.72

Radius: 1.24

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.91 AU - 1.05 AU

Year: 374 Days

Day: 30.6 Hours

Environment

Temp: 20 °C

Axial Tilt: 27.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 71,838,943 km

• M1: 29,471 km (0.077 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.73

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.88 AU - 1.32 AU

Year: 444 Days

Day: 46.5 Hours

Environment

Temp: -21 °C

Axial Tilt: 38.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 71.6

Radius: 12.2

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 3.78 AU - 4.28 AU

Year: 3115 Days

Day: 9.9 Hours

Environment

Temp: -131 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 71,838,943 km

• M1: 151,692 km (0.072 R)
• M2: 866,620 km (0.081 R)
• M3: 1,303,745 km (0.096 R)
• M4: 2,146,430 km (0.062 R)
• M5: 3,613,387 km (0.116 R)
• M6: 6,189,612 km (0.097 R)
• M7: 10,344,394 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391.2

Radius: 11.2

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 3.49 AU - 4.67 AU

Year: 3173 Days

Day: 10.9 Hours

Environment

Temp: -146 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 71,838,943 km

• M1: 140,622 km (0.086 R)
• M2: 496,665 km (0.102 R)
• M3: 1,099,844 km (0.056 R)
• M4: 1,519,166 km (0.055 R)
• M5: 2,021,366 km (0.076 R)
• M6: 2,407,030 km (0.103 R)
• M7: 2,826,652 km (0.084 R)
• M8: 3,278,138 km (0.115 R)
• M9: 4,621,976 km (0.099 R)
• M10: 5,587,780 km (0.095 R)
• M11: 5,989,300 km (0.112 R)
• M12: 6,907,083 km (0.045 R)
• M13: 7,885,304 km (0.072 R)
• M14: 8,327,216 km (0.095 R)
• M15: 8,752,373 km (0.109 R)
• M16: 9,226,299 km (0.076 R)
• M17: 10,637,755 km (0.119 R)
• M18: 11,021,922 km (0.105 R)
• M19: 11,375,422 km (0.105 R)
• M20: 15,981,092 km (0.071 R)
• M21: 16,793,259 km (0.036 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 901.4

Radius: 8.3

Gravity: 13.08 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 3.69 AU - 5.89 AU

Year: 4036 Days

Day: 12.9 Hours

Environment

Temp: -137 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 71,838,943 km

• M1: 103,223 km (0.109 R)
• M2: 451,038 km (0.083 R)
• M3: 822,190 km (0.091 R)
• M4: 2,266,707 km (0.057 R)
• M5: 2,831,439 km (0.113 R)
• M6: 3,633,583 km (0.065 R)
• M7: 4,122,319 km (0.081 R)
• M8: 4,629,306 km (0.104 R)
• M9: 5,622,786 km (0.093 R)
• M10: 6,623,296 km (0.119 R)
• M11: 7,456,706 km (0.078 R)
• M12: 8,025,776 km (0.109 R)
• M13: 8,661,866 km (0.076 R)
• M14: 12,065,966 km (0.115 R)
• M15: 12,404,955 km (0.042 R)
• M16: 12,950,538 km (0.081 R)
• M17: 15,748,617 km (0.074 R)
• M18: 18,925,926 km (0.103 R)
• M19: 20,458,556 km (0.083 R)
• M20: 25,077,839 km (0.099 R)
• M21: 25,630,454 km (0.108 R)
• M22: 27,006,455 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 33.9

Radius: 11.9

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 4.36 AU - 6.16 AU

Year: 4645 Days

Day: 5.3 Hours

Environment

Temp: -157 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 71,838,943 km

• M1: 148,251 km (0.099 R)
• M2: 597,943 km (0.119 R)
• M3: 1,016,518 km (0.099 R)
• M4: 1,488,200 km (0.094 R)
• M5: 1,995,187 km (0.113 R)
• M6: 3,377,022 km (0.093 R)
• M7: 5,678,436 km (0.039 R)
• M8: 7,558,582 km (0.073 R)
• M9: 8,518,552 km (0.086 R)
• M10: 9,586,980 km (0.108 R)
• M11: 10,093,069 km (0.05 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 242

Radius: 7.3

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 9.44 AU - 14.94 AU

Year: 16386 Days

Day: 22.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 71,838,943 km

• M1: 158,574 km (0.071 R)
• M2: 655,239 km (0.072 R)
• M3: 1,005,746 km (0.108 R)
• M4: 2,320,712 km (0.078 R)
• M5: 6,473,997 km (0.089 R)
• M6: 7,369,790 km (0.09 R)
• M7: 8,704,651 km (0.104 R)
• M8: 11,511,855 km (0.09 R)
• M9: 14,355,412 km (0.048 R)
• M10: 14,805,851 km (0.064 R)
• M11: 15,667,385 km (0.117 R)
• M12: 16,772,913 km (0.097 R)
• M13: 20,320,776 km (0.099 R)
• M14: 21,467,145 km (0.111 R)
• M15: 24,979,254 km (0.078 R)
• M16: 29,989,287 km (0.087 R)
• M17: 35,048,088 km (0.081 R)
• M18: 35,513,188 km (0.116 R)
• M19: 38,636,941 km (0.096 R)
• M20: 46,395,236 km (0.112 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 409

Radius: 4.6

Gravity: 19.33 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 13.05 AU - 18.17 AU

Year: 23745 Days

Day: 23.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 71,838,943 km

• M1: 62,981 km (0.073 R)
• M2: 285,283 km (0.09 R)
• M3: 675,584 km (0.076 R)
• M4: 1,024,895 km (0.051 R)
• M5: 1,233,434 km (0.028 R)
• M6: 1,423,573 km (0.089 R)
• M7: 2,521,323 km (0.103 R)
• M8: 3,161,302 km (0.091 R)
• M9: 3,547,714 km (0.076 R)
• M10: 3,752,513 km (0.114 R)
• M11: 4,968,295 km (0.102 R)
• M12: 5,645,674 km (0.092 R)
• M13: 5,965,813 km (0.09 R)
• M14: 9,523,251 km (0.119 R)
• M15: 10,865,293 km (0.075 R)
• M16: 11,613,283 km (0.074 R)
• M17: 11,805,516 km (0.109 R)
• M18: 12,595,842 km (0.08 R)
• M19: 13,072,760 km (0.11 R)
• M20: 17,750,835 km (0.114 R)
• M21: 18,874,315 km (0.072 R)
• M22: 19,229,460 km (0.086 R)
• M23: 19,952,766 km (0.046 R)
• M24: 20,228,624 km (0.045 R)
• M25: 25,640,327 km (0.085 R)
• M26: 27,073,475 km (0.118 R)
• M27: 34,913,600 km (0.111 R)
• M28: 35,582,901 km (0.097 R)
• M29: 40,805,063 km (0.119 R)
• M30: 40,952,866 km (0.107 R)
• M31: 43,366,777 km (0.096 R)
• M32: 44,608,589 km (0.041 R)
• M33: 47,162,823 km (0.101 R)
• M34: 47,652,457 km (0.08 R)
• M35: 48,807,801 km (0.038 R)
• M36: 53,616,625 km (0.039 R)
• M37: 57,053,486 km (0.079 R)
• M38: 63,169,047 km (0.108 R)
• M39: 65,166,029 km (0.097 R)
• M40: 70,981,048 km (0.029 R)
• M41: 71,194,823 km (0.079 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 375 - 11,325 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit