🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.17

Radius: 1.59

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.7 AU - 1.06 AU

Year: 300 Days

Day: 20.7 Hours

Environment

Temp: 141 °C

Axial Tilt: 33 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 81,515,458 km

• M1: 381,475 km (0.056 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.31 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.46

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.18 AU - 1.44 AU

Year: 545 Days

Day: 20.1 Hours

Environment

Temp: -3 °C

Axial Tilt: 33.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 81,515,458 km

• M1: 110,702 km (0.05 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.22

Radius: 0.55

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.3 AU - 1.76 AU

Year: 688 Days

Day: 26.1 Hours

Environment

Temp: -40 °C

Axial Tilt: 6.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.96 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 8.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 351.1

Radius: 10.9

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 6.96 AU - 9.8 AU

Year: 8816 Days

Day: 10 Hours

Environment

Temp: -159 °C

Axial Tilt: 86.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 81,515,458 km

• M1: 135,536 km (0.111 R)
• M2: 658,679 km (0.061 R)
• M3: 1,142,329 km (0.067 R)
• M4: 1,944,324 km (0.1 R)
• M5: 2,504,268 km (0.114 R)
• M6: 3,466,931 km (0.101 R)
• M7: 5,917,643 km (0.117 R)
• M8: 6,642,295 km (0.076 R)
• M9: 7,425,141 km (0.115 R)
• M10: 8,388,252 km (0.09 R)
• M11: 9,047,081 km (0.115 R)
• M12: 11,037,480 km (0.071 R)
• M13: 11,778,289 km (0.088 R)
• M14: 13,086,373 km (0.085 R)
• M15: 14,029,588 km (0.045 R)
• M16: 14,373,064 km (0.114 R)
• M17: 15,680,998 km (0.115 R)
• M18: 16,490,323 km (0.071 R)
• M19: 17,001,948 km (0.12 R)
• M20: 19,295,881 km (0.096 R)
• M21: 22,954,297 km (0.038 R)
• M22: 23,673,115 km (0.087 R)
• M23: 25,493,572 km (0.087 R)
• M24: 25,834,355 km (0.115 R)
• M25: 27,405,582 km (0.085 R)
• M26: 35,165,074 km (0.029 R)

Planet 5 - Gas Giant

Semi-Major Axis: 10.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 458.4

Radius: 12.7

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 9.56 AU - 10.88 AU

Year: 11874 Days

Day: 11.2 Hours

Environment

Temp: -179 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 81,515,458 km

• M1: 173,384 km (0.061 R)
• M2: 1,020,108 km (0.069 R)
• M3: 1,526,945 km (0.118 R)
• M4: 2,708,769 km (0.077 R)
• M5: 3,555,493 km (0.055 R)
• M6: 5,022,599 km (0.105 R)
• M7: 6,228,208 km (0.111 R)
• M8: 7,495,153 km (0.108 R)
• M9: 8,653,788 km (0.03 R)
• M10: 9,065,631 km (0.106 R)
• M11: 9,635,000 km (0.075 R)
• M12: 10,533,934 km (0.114 R)
• M13: 13,025,636 km (0.057 R)
• M14: 19,299,322 km (0.053 R)
• M15: 22,478,875 km (0.105 R)
• M16: 28,128,289 km (0.03 R)
• M17: 30,378,391 km (0.034 R)
• M18: 45,209,673 km (0.099 R)
• M19: 46,314,154 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 659.2

Radius: 10.5

Gravity: 5.98 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 9.85 AU - 12.49 AU

Year: 13568 Days

Day: 10.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 81,515,458 km

• M1: 138,228 km (0.08 R)
• M2: 651,349 km (0.106 R)
• M3: 1,756,279 km (0.046 R)
• M4: 2,465,822 km (0.088 R)
• M5: 2,807,952 km (0.048 R)
• M6: 3,458,703 km (0.115 R)
• M7: 4,060,834 km (0.087 R)
• M8: 9,242,605 km (0.084 R)
• M9: 16,317,687 km (0.061 R)
• M10: 17,071,660 km (0.044 R)
• M11: 17,769,833 km (0.087 R)
• M12: 18,567,938 km (0.074 R)
• M13: 19,223,476 km (0.093 R)
• M14: 28,123,353 km (0.106 R)
• M15: 30,883,882 km (0.102 R)
• M16: 41,756,206 km (0.113 R)
• M17: 47,735,783 km (0.096 R)
• M18: 50,374,241 km (0.093 R)
• M19: 51,328,226 km (0.115 R)
• M20: 56,620,550 km (0.106 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 649.1

Radius: 10.9

Gravity: 5.46 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 10.22 AU - 13.4 AU

Year: 14750 Days

Day: 14.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 81,515,458 km

• M1: 138,677 km (0.103 R)
• M2: 792,570 km (0.062 R)
• M3: 1,730,249 km (0.106 R)
• M4: 3,294,444 km (0.108 R)
• M5: 4,549,421 km (0.047 R)
• M6: 4,975,176 km (0.093 R)
• M7: 5,945,319 km (0.085 R)
• M8: 9,614,506 km (0.079 R)
• M9: 11,527,563 km (0.07 R)
• M10: 12,447,440 km (0.084 R)
• M11: 14,996,588 km (0.099 R)
• M12: 19,529,852 km (0.117 R)
• M13: 20,570,156 km (0.11 R)
• M14: 21,830,069 km (0.107 R)
• M15: 23,524,714 km (0.055 R)
• M16: 25,305,377 km (0.096 R)
• M17: 26,541,355 km (0.096 R)
• M18: 31,068,336 km (0.072 R)
• M19: 33,209,082 km (0.09 R)
• M20: 44,806,956 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 909.9

Radius: 7.2

Gravity: 17.55 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 13 AU - 15.2 AU

Year: 19242 Days

Day: 22.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 81,515,458 km

• M1: 89,908 km (0.092 R)
• M2: 375,491 km (0.071 R)
• M3: 684,111 km (0.035 R)
• M4: 1,067,381 km (0.098 R)
• M5: 3,042,372 km (0.037 R)
• M6: 3,671,281 km (0.073 R)
• M7: 4,016,553 km (0.054 R)
• M8: 4,315,151 km (0.082 R)
• M9: 8,871,303 km (0.028 R)
• M10: 9,846,233 km (0.087 R)
• M11: 10,576,121 km (0.08 R)
• M12: 10,890,725 km (0.087 R)
• M13: 15,488,765 km (0.06 R)
• M14: 16,059,032 km (0.07 R)
• M15: 18,480,872 km (0.067 R)
• M16: 20,644,357 km (0.045 R)
• M17: 23,392,918 km (0.101 R)
• M18: 24,799,437 km (0.09 R)
• M19: 27,189,114 km (0.091 R)
• M20: 29,232,770 km (0.058 R)
• M21: 30,608,472 km (0.113 R)
• M22: 33,353,593 km (0.1 R)
• M23: 33,758,704 km (0.029 R)
• M24: 35,974,847 km (0.08 R)
• M25: 43,845,191 km (0.079 R)
• M26: 49,567,609 km (0.073 R)
• M27: 50,982,954 km (0.069 R)
• M28: 53,156,013 km (0.073 R)
• M29: 56,530,193 km (0.097 R)
• M30: 57,298,976 km (0.105 R)
• M31: 58,465,241 km (0.085 R)
• M32: 59,647,065 km (0.108 R)
• M33: 64,953,301 km (0.039 R)
• M34: 68,587,632 km (0.089 R)
• M35: 69,462,031 km (0.074 R)
• M36: 71,680,717 km (0.06 R)
• M37: 75,327,913 km (0.097 R)
• M38: 77,905,934 km (0.108 R)

Kuiper Belt

Range: 30.2 - 49.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 346 - 15,700 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit