🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.33

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.15 AU - 1.23 AU

Year: 467 Days

Day: 12.9 Hours

Environment

Temp: 28 °C

Axial Tilt: 35.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.13

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.19 AU - 1.39 AU

Year: 527 Days

Day: 36.8 Hours

Environment

Temp: 7 °C

Axial Tilt: 1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.2

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.24 AU - 1.48 AU

Year: 571 Days

Day: 24.9 Hours

Environment

Temp: 6 °C

Axial Tilt: 35 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 86,754,780 km

• M1: 589,565 km (0.118 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.52

Radius: 1.18

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 2.33 AU - 2.99 AU

Year: 1561 Days

Day: 13 Hours

Environment

Temp: -83 °C

Axial Tilt: 33.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 86,754,780 km

• M1: 27,676 km (0.114 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.77

Radius: 1.26

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 3.59 AU - 5.47 AU

Year: 3470 Days

Day: 43.6 Hours

Environment

Temp: -123 °C

Axial Tilt: 39.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.82 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754.4

Radius: 12.1

Gravity: 5.15 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 3.95 AU - 6.25 AU

Year: 4145 Days

Day: 5.7 Hours

Environment

Temp: -145 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 86,754,780 km

• M1: 152,141 km (0.104 R)
• M2: 853,007 km (0.05 R)
• M3: 1,761,515 km (0.12 R)
• M4: 3,510,314 km (0.057 R)
• M5: 5,086,627 km (0.086 R)
• M6: 6,301,511 km (0.096 R)
• M7: 6,864,149 km (0.09 R)
• M8: 7,426,188 km (0.062 R)
• M9: 7,982,842 km (0.043 R)
• M10: 8,604,870 km (0.115 R)
• M11: 10,238,329 km (0.08 R)
• M12: 13,389,309 km (0.098 R)
• M13: 14,802,859 km (0.102 R)
• M14: 15,742,483 km (0.077 R)
• M15: 16,255,903 km (0.119 R)
• M16: 20,503,286 km (0.046 R)
• M17: 27,109,827 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 782.3

Radius: 13.2

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 8.67 AU - 9.85 AU

Year: 10141 Days

Day: 13.3 Hours

Environment

Temp: -163 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 86,754,780 km

• M1: 164,258 km (0.064 R)
• M2: 818,300 km (0.078 R)
• M3: 2,801,220 km (0.1 R)
• M4: 5,914,950 km (0.096 R)
• M5: 8,279,494 km (0.052 R)
• M6: 10,152,908 km (0.114 R)
• M7: 11,775,746 km (0.068 R)
• M8: 12,768,777 km (0.119 R)
• M9: 14,988,360 km (0.077 R)
• M10: 16,295,696 km (0.109 R)
• M11: 16,868,357 km (0.12 R)
• M12: 17,454,481 km (0.034 R)
• M13: 17,902,826 km (0.083 R)
• M14: 18,667,421 km (0.118 R)
• M15: 19,294,535 km (0.072 R)
• M16: 21,260,700 km (0.065 R)
• M17: 22,118,195 km (0.11 R)
• M18: 23,628,684 km (0.085 R)
• M19: 25,206,942 km (0.079 R)
• M20: 26,167,660 km (0.065 R)
• M21: 27,452,705 km (0.082 R)
• M22: 28,987,280 km (0.111 R)
• M23: 31,340,604 km (0.118 R)
• M24: 32,789,609 km (0.118 R)
• M25: 37,157,867 km (0.105 R)
• M26: 37,652,138 km (0.079 R)
• M27: 41,104,558 km (0.09 R)
• M28: 46,456,272 km (0.049 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 516.4

Radius: 14.4

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 10.1 AU - 12.68 AU

Year: 13834 Days

Day: 13.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 86,754,780 km

• M1: 181,462 km (0.117 R)
• M2: 1,338,901 km (0.117 R)
• M3: 1,834,519 km (0.096 R)
• M4: 2,434,705 km (0.1 R)
• M5: 3,117,919 km (0.095 R)
• M6: 3,660,062 km (0.093 R)
• M7: 8,125,408 km (0.096 R)
• M8: 13,549,528 km (0.068 R)
• M9: 17,004,042 km (0.11 R)
• M10: 17,530,626 km (0.109 R)
• M11: 25,307,771 km (0.089 R)
• M12: 28,656,370 km (0.112 R)
• M13: 31,494,840 km (0.062 R)
• M14: 31,947,672 km (0.032 R)
• M15: 33,684,354 km (0.116 R)
• M16: 38,364,524 km (0.093 R)
• M17: 44,164,134 km (0.115 R)
• M18: 48,090,031 km (0.107 R)
• M19: 51,927,366 km (0.118 R)
• M20: 52,401,142 km (0.106 R)

Planet 9 - Gas Giant

Semi-Major Axis: 11.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 830.8

Radius: 9.4

Gravity: 9.4 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 10.66 AU - 12.3 AU

Year: 13999 Days

Day: 11.5 Hours

Environment

Temp: -170 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 86,754,780 km

• M1: 122,670 km (0.072 R)
• M2: 425,157 km (0.077 R)
• M3: 725,250 km (0.082 R)
• M4: 1,318,705 km (0.048 R)
• M5: 2,000,722 km (0.099 R)
• M6: 2,308,744 km (0.038 R)
• M7: 2,854,477 km (0.092 R)
• M8: 3,648,243 km (0.069 R)
• M9: 4,582,183 km (0.084 R)
• M10: 5,018,410 km (0.069 R)
• M11: 8,146,202 km (0.115 R)
• M12: 8,940,268 km (0.115 R)
• M13: 10,396,154 km (0.048 R)
• M14: 13,163,865 km (0.109 R)
• M15: 13,839,748 km (0.074 R)
• M16: 14,538,519 km (0.093 R)
• M17: 16,158,664 km (0.052 R)
• M18: 19,234,845 km (0.102 R)
• M19: 20,282,180 km (0.111 R)
• M20: 21,275,211 km (0.048 R)
• M21: 22,017,665 km (0.04 R)
• M22: 23,455,899 km (0.067 R)
• M23: 27,053,877 km (0.071 R)
• M24: 30,069,022 km (0.114 R)
• M25: 36,100,509 km (0.041 R)
• M26: 41,013,303 km (0.052 R)
• M27: 44,225,319 km (0.039 R)
• M28: 45,129,489 km (0.087 R)
• M29: 46,508,931 km (0.1 R)
• M30: 50,815,554 km (0.046 R)
• M31: 54,000,792 km (0.036 R)
• M32: 60,951,259 km (0.114 R)
• M33: 63,014,363 km (0.095 R)

Planet 10 - Ice Giant

Semi-Major Axis: 18.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 528.8

Radius: 5

Gravity: 21.15 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 13.72 AU - 22.48 AU

Year: 27713 Days

Day: 18.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 86,754,780 km

• M1: 63,878 km (0.117 R)
• M2: 295,007 km (0.104 R)
• M3: 465,997 km (0.091 R)
• M4: 705,055 km (0.094 R)
• M5: 1,639,293 km (0.1 R)
• M6: 3,591,246 km (0.069 R)
• M7: 6,717,244 km (0.095 R)
• M8: 6,906,934 km (0.084 R)
• M9: 7,396,717 km (0.062 R)
• M10: 9,062,938 km (0.082 R)
• M11: 10,137,051 km (0.07 R)
• M12: 10,704,924 km (0.091 R)
• M13: 13,865,329 km (0.066 R)
• M14: 27,441,485 km (0.071 R)
• M15: 27,805,008 km (0.091 R)
• M16: 31,090,477 km (0.056 R)
• M17: 38,874,203 km (0.047 R)
• M18: 40,104,646 km (0.066 R)
• M19: 46,648,057 km (0.12 R)
• M20: 47,687,014 km (0.102 R)
• M21: 49,991,120 km (0.104 R)
• M22: 59,140,825 km (0.101 R)
• M23: 66,256,448 km (0.107 R)
• M24: 78,939,655 km (0.042 R)
• M25: 79,184,247 km (0.116 R)
• M26: 83,164,448 km (0.107 R)

Kuiper Belt

Range: 30.5 - 49.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 358 - 20,116 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit