🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.22

Radius: 0.55

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.44 AU - 0.56 AU

Year: 124 Days

Day: 30.3 Hours

Environment

Temp: 242 °C

Axial Tilt: 32.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.44

Radius: 1.16

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.75 AU - 1.23 AU

Year: 346 Days

Day: 23.9 Hours

Environment

Temp: 91 °C

Axial Tilt: 29.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 81,978,917 km

• M1: 300,393 km (0.092 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.42

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.97 AU - 2.69 AU

Year: 1250 Days

Day: 22.1 Hours

Environment

Temp: -61 °C

Axial Tilt: 17.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 81,978,917 km

• M1: 206,445 km (0.12 R)
• M2: 377,286 km (0.067 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.57

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 3.21 AU - 3.31 AU

Year: 2069 Days

Day: 25.3 Hours

Environment

Temp: -90 °C

Axial Tilt: 25.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 81,978,917 km

• M1: 670,797 km (0.032 R)

Asteroid Belt

Center: 5.02 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 6.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 302.4

Radius: 13.6

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 5.1 AU - 8.44 AU

Year: 6191 Days

Day: 9.5 Hours

Environment

Temp: -154 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 81,978,917 km

• M1: 169,345 km (0.062 R)
• M2: 632,201 km (0.085 R)
• M3: 1,150,707 km (0.073 R)
• M4: 1,906,176 km (0.082 R)
• M5: 2,749,908 km (0.115 R)
• M6: 3,561,776 km (0.054 R)
• M7: 5,746,054 km (0.075 R)
• M8: 6,237,034 km (0.096 R)
• M9: 6,787,405 km (0.027 R)
• M10: 7,370,089 km (0.082 R)
• M11: 8,974,227 km (0.086 R)
• M12: 9,478,371 km (0.093 R)
• M13: 10,800,517 km (0.079 R)
• M14: 11,461,142 km (0.105 R)
• M15: 12,622,021 km (0.115 R)
• M16: 13,555,661 km (0.114 R)
• M17: 14,482,121 km (0.088 R)
• M18: 15,177,153 km (0.105 R)
• M19: 17,159,325 km (0.098 R)
• M20: 18,120,940 km (0.071 R)
• M21: 19,824,411 km (0.102 R)
• M22: 20,615,035 km (0.118 R)
• M23: 22,470,498 km (0.108 R)
• M24: 24,137,018 km (0.1 R)
• M25: 25,806,829 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952.6

Radius: 14.4

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 5.58 AU - 8.86 AU

Year: 6818 Days

Day: 5.8 Hours

Environment

Temp: -154 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 81,978,917 km

• M1: 179,069 km (0.064 R)
• M2: 655,388 km (0.059 R)
• M3: 1,196,035 km (0.102 R)
• M4: 1,662,182 km (0.104 R)
• M5: 2,461,483 km (0.058 R)
• M6: 3,171,475 km (0.106 R)
• M7: 3,865,011 km (0.12 R)
• M8: 4,355,243 km (0.114 R)
• M9: 5,685,617 km (0.107 R)
• M10: 6,427,921 km (0.09 R)
• M11: 6,970,513 km (0.099 R)
• M12: 7,701,598 km (0.114 R)
• M13: 9,778,465 km (0.106 R)
• M14: 10,302,805 km (0.107 R)
• M15: 15,327,050 km (0.078 R)
• M16: 16,498,401 km (0.11 R)
• M17: 17,037,851 km (0.081 R)
• M18: 17,869,166 km (0.11 R)
• M19: 20,680,858 km (0.118 R)
• M20: 23,267,705 km (0.057 R)
• M21: 29,864,223 km (0.093 R)
• M22: 32,209,469 km (0.12 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 227.4

Radius: 8.1

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 6.4 AU - 9.14 AU

Year: 7612 Days

Day: 13.9 Hours

Environment

Temp: -150 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 81,978,917 km

• M1: 102,175 km (0.113 R)
• M2: 419,024 km (0.106 R)
• M3: 680,371 km (0.116 R)
• M4: 1,091,466 km (0.118 R)
• M5: 1,698,684 km (0.053 R)
• M6: 3,485,182 km (0.111 R)
• M7: 3,866,357 km (0.087 R)
• M8: 4,612,850 km (0.101 R)
• M9: 4,968,295 km (0.103 R)
• M10: 6,266,505 km (0.104 R)
• M11: 7,990,770 km (0.066 R)
• M12: 8,961,960 km (0.097 R)
• M13: 9,395,793 km (0.059 R)
• M14: 10,305,349 km (0.105 R)
• M15: 11,824,814 km (0.114 R)
• M16: 12,298,740 km (0.108 R)
• M17: 12,884,117 km (0.097 R)
• M18: 13,745,052 km (0.1 R)
• M19: 14,697,841 km (0.108 R)
• M20: 16,151,035 km (0.063 R)
• M21: 17,392,697 km (0.069 R)
• M22: 19,536,136 km (0.115 R)
• M23: 20,064,964 km (0.092 R)
• M24: 22,491,441 km (0.055 R)
• M25: 24,875,284 km (0.103 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 243.1

Radius: 14.6

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 7.29 AU - 8.43 AU

Year: 7745 Days

Day: 11.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 81,978,917 km

• M1: 229,483 km (0.118 R)
• M2: 779,405 km (0.072 R)
• M3: 1,421,928 km (0.04 R)
• M4: 3,248,667 km (0.07 R)
• M5: 4,734,623 km (0.114 R)
• M6: 7,601,666 km (0.059 R)
• M7: 10,884,891 km (0.056 R)
• M8: 17,646,415 km (0.081 R)
• M9: 20,095,033 km (0.052 R)
• M10: 23,056,473 km (0.064 R)
• M11: 25,658,129 km (0.114 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 466.3

Radius: 5.6

Gravity: 14.87 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 16.14 AU - 20.1 AU

Year: 27109 Days

Day: 17.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 81,978,917 km

• M1: 114,742 km (0.081 R)
• M2: 304,132 km (0.061 R)
• M3: 596,746 km (0.085 R)
• M4: 785,688 km (0.119 R)
• M5: 1,027,737 km (0.112 R)
• M6: 1,926,073 km (0.082 R)
• M7: 2,439,642 km (0.108 R)
• M8: 2,678,849 km (0.067 R)
• M9: 3,491,913 km (0.12 R)
• M10: 4,085,518 km (0.075 R)
• M11: 4,458,615 km (0.094 R)
• M12: 5,041,448 km (0.087 R)
• M13: 5,673,649 km (0.049 R)
• M14: 6,491,500 km (0.11 R)
• M15: 7,287,511 km (0.045 R)
• M16: 8,519,599 km (0.069 R)
• M17: 9,414,194 km (0.106 R)
• M18: 9,765,300 km (0.117 R)
• M19: 11,720,096 km (0.104 R)
• M20: 15,238,638 km (0.12 R)
• M21: 16,977,713 km (0.073 R)
• M22: 17,410,499 km (0.09 R)
• M23: 21,642,474 km (0.116 R)
• M24: 22,151,256 km (0.104 R)
• M25: 28,406,092 km (0.109 R)
• M26: 32,725,881 km (0.08 R)
• M27: 41,693,375 km (0.1 R)
• M28: 42,164,609 km (0.116 R)
• M29: 43,922,832 km (0.071 R)
• M30: 45,895,879 km (0.102 R)
• M31: 50,017,898 km (0.073 R)
• M32: 55,698,429 km (0.114 R)
• M33: 60,180,531 km (0.054 R)
• M34: 63,229,485 km (0.103 R)
• M35: 66,379,866 km (0.103 R)
• M36: 71,187,493 km (0.095 R)
• M37: 71,860,384 km (0.042 R)
• M38: 72,991,643 km (0.108 R)
• M39: 73,675,904 km (0.078 R)

Kuiper Belt

Range: 31.2 - 54.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 471 - 11,184 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit