🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.9

Radius: 1.72

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.89 AU - 1.43 AU

Year: 466 Days

Day: 31.4 Hours

Environment

Temp: 9 °C

Axial Tilt: 5.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 54,961,766 km

• M1: 49,218 km (0.078 R)
• M2: 76,744 km (0.036 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.42

Radius: 0.71

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.39 AU - 1.61 AU

Year: 685 Days

Day: 13.3 Hours

Environment

Temp: -48 °C

Axial Tilt: 39.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.04

Radius: 1.02

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 2.88 AU - 4.16 AU

Year: 2462 Days

Day: 42.4 Hours

Environment

Temp: -110 °C

Axial Tilt: 45.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.39 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 50.2

Radius: 15

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 4.71 AU - 5.79 AU

Year: 4484 Days

Day: 7.4 Hours

Environment

Temp: -153 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 54,961,766 km

• M1: 186,549 km (0.083 R)
• M2: 699,520 km (0.118 R)
• M3: 1,191,996 km (0.101 R)
• M4: 1,850,526 km (0.08 R)
• M5: 2,561,714 km (0.092 R)
• M6: 3,436,413 km (0.119 R)
• M7: 5,590,772 km (0.056 R)
• M8: 6,085,791 km (0.049 R)
• M9: 6,680,592 km (0.113 R)
• M10: 7,415,118 km (0.095 R)
• M11: 7,960,851 km (0.117 R)
• M12: 9,162,870 km (0.08 R)
• M13: 10,938,896 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 206.5

Radius: 11

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 6.85 AU - 7.03 AU

Year: 6815 Days

Day: 7.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 54,961,766 km

• M1: 137,181 km (0.103 R)
• M2: 514,317 km (0.105 R)
• M3: 1,272,629 km (0.108 R)
• M4: 2,160,343 km (0.064 R)
• M5: 2,756,341 km (0.098 R)
• M6: 3,249,715 km (0.069 R)
• M7: 3,843,020 km (0.09 R)
• M8: 5,067,179 km (0.105 R)
• M9: 5,483,660 km (0.093 R)
• M10: 7,061,169 km (0.119 R)
• M11: 9,299,452 km (0.029 R)
• M12: 11,132,475 km (0.104 R)
• M13: 11,481,936 km (0.048 R)
• M14: 13,935,790 km (0.118 R)
• M15: 14,651,915 km (0.082 R)
• M16: 16,891,245 km (0.11 R)
• M17: 17,587,623 km (0.09 R)
• M18: 18,790,689 km (0.069 R)
• M19: 22,589,727 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 196.2

Radius: 10.6

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 6.06 AU - 9.84 AU

Year: 8356 Days

Day: 5.5 Hours

Environment

Temp: -175 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 54,961,766 km

• M1: 131,796 km (0.111 R)
• M2: 605,423 km (0.086 R)
• M3: 1,338,303 km (0.054 R)
• M4: 2,140,297 km (0.098 R)
• M5: 3,495,205 km (0.063 R)
• M6: 5,832,671 km (0.097 R)
• M7: 6,402,340 km (0.102 R)
• M8: 8,674,133 km (0.052 R)
• M9: 15,179,397 km (0.063 R)
• M10: 17,630,857 km (0.048 R)
• M11: 18,188,558 km (0.112 R)
• M12: 19,274,339 km (0.066 R)
• M13: 21,225,245 km (0.096 R)
• M14: 22,212,741 km (0.075 R)
• M15: 26,310,077 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 590.7

Radius: 10.1

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 9.64 AU - 9.96 AU

Year: 11437 Days

Day: 6 Hours

Environment

Temp: -186 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 54,961,766 km

• M1: 128,355 km (0.113 R)
• M2: 445,802 km (0.095 R)
• M3: 866,471 km (0.098 R)
• M4: 2,447,571 km (0.104 R)
• M5: 3,407,391 km (0.066 R)
• M6: 5,980,923 km (0.076 R)
• M7: 7,661,655 km (0.112 R)
• M8: 8,496,561 km (0.085 R)
• M9: 12,748,880 km (0.066 R)
• M10: 16,475,214 km (0.109 R)
• M11: 17,123,421 km (0.115 R)
• M12: 17,938,580 km (0.11 R)
• M13: 21,886,916 km (0.099 R)
• M14: 24,477,802 km (0.092 R)
• M15: 30,474,881 km (0.117 R)
• M16: 33,011,912 km (0.1 R)
• M17: 34,273,620 km (0.096 R)
• M18: 37,878,031 km (0.107 R)
• M19: 42,931,298 km (0.076 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 372.9

Radius: 7.2

Gravity: 7.19 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 11.11 AU - 16.55 AU

Year: 19173 Days

Day: 21.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 54,961,766 km

• M1: 95,443 km (0.082 R)
• M2: 322,982 km (0.032 R)
• M3: 785,688 km (0.112 R)
• M4: 1,113,307 km (0.073 R)
• M5: 1,456,485 km (0.113 R)
• M6: 2,217,788 km (0.061 R)
• M7: 2,950,668 km (0.102 R)
• M8: 3,372,983 km (0.075 R)
• M9: 3,694,918 km (0.101 R)
• M10: 4,400,421 km (0.035 R)
• M11: 5,088,422 km (0.059 R)
• M12: 5,921,981 km (0.096 R)
• M13: 6,153,708 km (0.044 R)
• M14: 6,512,743 km (0.063 R)
• M15: 6,843,504 km (0.076 R)
• M16: 7,272,551 km (0.044 R)
• M17: 13,247,939 km (0.1 R)
• M18: 14,814,528 km (0.085 R)
• M19: 17,038,300 km (0.101 R)
• M20: 19,560,520 km (0.116 R)
• M21: 20,512,262 km (0.116 R)
• M22: 24,135,821 km (0.104 R)
• M23: 31,905,785 km (0.085 R)
• M24: 35,077,110 km (0.118 R)
• M25: 35,965,422 km (0.057 R)
• M26: 41,051,600 km (0.099 R)
• M27: 41,331,797 km (0.112 R)
• M28: 45,390,388 km (0.095 R)
• M29: 45,840,378 km (0.061 R)
• M30: 49,865,907 km (0.113 R)
• M31: 58,967,142 km (0.077 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 271.4

Radius: 6.6

Gravity: 6.23 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 11.54 AU - 16.44 AU

Year: 19507 Days

Day: 18.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 54,961,766 km

• M1: 82,279 km (0.042 R)
• M2: 423,960 km (0.092 R)
• M3: 682,465 km (0.115 R)
• M4: 1,114,953 km (0.111 R)
• M5: 1,420,581 km (0.088 R)
• M6: 2,018,674 km (0.117 R)
• M7: 3,809,360 km (0.049 R)
• M8: 8,023,383 km (0.111 R)
• M9: 8,628,057 km (0.113 R)
• M10: 10,085,739 km (0.109 R)
• M11: 10,789,746 km (0.12 R)
• M12: 12,538,695 km (0.084 R)
• M13: 13,098,191 km (0.087 R)
• M14: 14,468,508 km (0.092 R)
• M15: 15,014,689 km (0.099 R)
• M16: 15,716,752 km (0.098 R)
• M17: 16,736,112 km (0.099 R)
• M18: 17,644,321 km (0.05 R)
• M19: 20,142,007 km (0.06 R)
• M20: 22,592,270 km (0.06 R)
• M21: 24,172,922 km (0.073 R)
• M22: 25,136,481 km (0.08 R)
• M23: 27,037,272 km (0.109 R)
• M24: 35,601,002 km (0.067 R)
• M25: 37,864,867 km (0.115 R)
• M26: 40,089,387 km (0.113 R)
• M27: 41,030,208 km (0.06 R)
• M28: 54,469,333 km (0.117 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 469 - 16,939 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit