🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.05

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.5 AU - 0.64 AU

Year: 278 Days

Day: 30.6 Hours

Environment

Temp: -121 °C

Axial Tilt: 36 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 44,056,019 km

• M1: 60,587 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 144.1

Radius: 8.1

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.75 AU - 1.01 AU

Year: 533 Days

Day: 9 Hours

Environment

Temp: -148 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 44,056,019 km

• M1: 100,679 km (0.078 R)
• M2: 741,557 km (0.108 R)
• M3: 1,057,208 km (0.115 R)
• M4: 1,808,489 km (0.057 R)
• M5: 2,311,287 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 955.6

Radius: 13.2

Gravity: 5.48 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.63 AU - 1.71 AU

Year: 1393 Days

Day: 8.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 127.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 44,056,019 km

• M1: 164,258 km (0.047 R)
• M2: 1,061,397 km (0.058 R)
• M3: 1,718,431 km (0.079 R)
• M4: 2,703,832 km (0.103 R)
• M5: 3,773,756 km (0.113 R)
• M6: 4,311,560 km (0.097 R)
• M7: 4,859,537 km (0.093 R)
• M8: 5,387,917 km (0.114 R)
• M9: 6,661,144 km (0.079 R)
• M10: 7,341,815 km (0.114 R)
• M11: 7,982,094 km (0.061 R)
• M12: 9,961,872 km (0.085 R)
• M13: 11,137,711 km (0.116 R)
• M14: 11,796,690 km (0.052 R)
• M15: 12,520,444 km (0.048 R)
• M16: 13,395,143 km (0.066 R)

Asteroid Belt

Center: 2.7 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 619.6

Radius: 13.8

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 2.86 AU - 4.58 AU

Year: 4633 Days

Day: 11.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 44,056,019 km

• M1: 171,589 km (0.109 R)
• M2: 661,971 km (0.085 R)
• M3: 1,374,655 km (0.104 R)
• M4: 2,804,212 km (0.077 R)
• M5: 3,745,033 km (0.055 R)
• M6: 4,466,843 km (0.1 R)
• M7: 7,402,252 km (0.09 R)
• M8: 12,279,592 km (0.118 R)
• M9: 13,463,360 km (0.109 R)
• M10: 14,506,805 km (0.08 R)
• M11: 17,532,721 km (0.073 R)
• M12: 21,370,804 km (0.062 R)
• M13: 23,820,170 km (0.115 R)
• M14: 24,727,630 km (0.119 R)
• M15: 25,345,320 km (0.102 R)
• M16: 26,853,865 km (0.086 R)
• M17: 27,506,560 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 290.1

Radius: 11.5

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 3.39 AU - 4.37 AU

Year: 4935 Days

Day: 12.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 44,056,019 km

• M1: 143,315 km (0.088 R)
• M2: 549,323 km (0.111 R)
• M3: 1,185,114 km (0.089 R)
• M4: 1,869,674 km (0.074 R)
• M5: 2,331,184 km (0.038 R)
• M6: 2,951,716 km (0.116 R)
• M7: 3,505,976 km (0.048 R)
• M8: 4,776,959 km (0.067 R)
• M9: 5,414,695 km (0.074 R)
• M10: 7,480,342 km (0.107 R)
• M11: 8,410,243 km (0.106 R)
• M12: 8,831,809 km (0.076 R)
• M13: 10,906,134 km (0.083 R)
• M14: 11,751,062 km (0.107 R)
• M15: 12,593,598 km (0.106 R)
• M16: 12,960,112 km (0.059 R)
• M17: 16,534,155 km (0.1 R)
• M18: 18,635,108 km (0.091 R)
• M19: 19,232,153 km (0.074 R)
• M20: 21,880,484 km (0.049 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 515.9

Radius: 3.3

Gravity: 47.37 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 4.56 AU - 7.56 AU

Year: 9632 Days

Day: 19.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 44,056,019 km

• M1: 46,375 km (0.083 R)
• M2: 157,676 km (0.083 R)
• M3: 280,646 km (0.097 R)
• M4: 762,351 km (0.084 R)
• M5: 973,882 km (0.103 R)
• M6: 1,188,405 km (0.115 R)
• M7: 1,786,049 km (0.094 R)
• M8: 2,336,120 km (0.096 R)
• M9: 2,781,024 km (0.084 R)
• M10: 3,939,062 km (0.109 R)
• M11: 4,285,979 km (0.092 R)
• M12: 5,384,626 km (0.108 R)
• M13: 5,644,776 km (0.111 R)
• M14: 6,015,929 km (0.117 R)
• M15: 6,732,203 km (0.116 R)
• M16: 7,664,647 km (0.082 R)
• M17: 8,119,424 km (0.072 R)
• M18: 8,289,218 km (0.118 R)
• M19: 9,733,735 km (0.119 R)
• M20: 10,465,269 km (0.104 R)
• M21: 10,870,080 km (0.029 R)
• M22: 11,390,681 km (0.05 R)
• M23: 11,496,746 km (0.111 R)
• M24: 11,710,821 km (0.073 R)
• M25: 14,429,762 km (0.072 R)
• M26: 15,121,802 km (0.105 R)
• M27: 15,443,587 km (0.069 R)
• M28: 17,611,858 km (0.109 R)
• M29: 19,140,000 km (0.117 R)
• M30: 19,365,145 km (0.091 R)
• M31: 20,206,334 km (0.091 R)
• M32: 20,440,006 km (0.092 R)
• M33: 20,833,299 km (0.118 R)
• M34: 25,407,403 km (0.057 R)
• M35: 25,588,566 km (0.118 R)
• M36: 33,563,629 km (0.099 R)
• M37: 34,663,921 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 333.4

Radius: 6.4

Gravity: 8.14 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 6.87 AU - 7.65 AU

Year: 12630 Days

Day: 21.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 44,056,019 km

• M1: 111,600 km (0.117 R)
• M2: 344,673 km (0.038 R)
• M3: 852,558 km (0.107 R)
• M4: 1,339,649 km (0.071 R)
• M5: 1,762,712 km (0.078 R)
• M6: 2,873,027 km (0.065 R)
• M7: 3,674,572 km (0.05 R)
• M8: 4,645,313 km (0.116 R)
• M9: 4,973,531 km (0.101 R)
• M10: 7,927,341 km (0.077 R)
• M11: 8,748,932 km (0.118 R)
• M12: 9,065,631 km (0.102 R)
• M13: 9,769,788 km (0.079 R)
• M14: 10,209,456 km (0.1 R)
• M15: 11,286,561 km (0.095 R)
• M16: 12,268,372 km (0.045 R)
• M17: 17,972,239 km (0.047 R)
• M18: 20,000,188 km (0.115 R)
• M19: 22,595,562 km (0.104 R)
• M20: 26,707,109 km (0.071 R)
• M21: 28,739,696 km (0.106 R)
• M22: 33,989,534 km (0.113 R)
• M23: 36,722,388 km (0.06 R)
• M24: 41,723,744 km (0.064 R)
• M25: 41,978,808 km (0.113 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 188 - 18,448 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit