🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406

Radius: 11.5

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.65 AU - 0.87 AU

Year: 466 Days

Day: 7.6 Hours

Environment

Temp: -163 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 72,048,661 km

• M1: 144,811 km (0.09 R)
• M2: 526,734 km (0.047 R)
• M3: 1,210,696 km (0.081 R)
• M4: 1,600,248 km (0.087 R)
• M5: 1,980,377 km (0.053 R)
• M6: 2,394,613 km (0.105 R)
• M7: 2,999,587 km (0.06 R)
• M8: 3,740,545 km (0.094 R)
• M9: 5,181,621 km (0.055 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 386.1

Radius: 14.9

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.73 AU - 1.05 AU

Year: 590 Days

Day: 10.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 72,048,661 km

• M1: 185,501 km (0.08 R)
• M2: 820,544 km (0.039 R)
• M3: 1,422,975 km (0.087 R)
• M4: 1,990,100 km (0.08 R)
• M5: 2,590,437 km (0.071 R)
• M6: 3,108,045 km (0.116 R)
• M7: 3,620,568 km (0.082 R)
• M8: 4,135,783 km (0.059 R)
• M9: 5,047,432 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 639.6

Radius: 12.4

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.18 AU - 1.4 AU

Year: 1030 Days

Day: 8.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 72,048,661 km

• M1: 154,235 km (0.12 R)
• M2: 779,106 km (0.111 R)
• M3: 1,339,799 km (0.112 R)
• M4: 1,733,091 km (0.053 R)
• M5: 2,132,518 km (0.116 R)
• M6: 2,594,177 km (0.045 R)
• M7: 3,136,020 km (0.111 R)
• M8: 4,066,220 km (0.077 R)
• M9: 4,535,209 km (0.101 R)
• M10: 5,345,581 km (0.084 R)
• M11: 6,580,960 km (0.08 R)
• M12: 6,970,064 km (0.059 R)
• M13: 7,595,233 km (0.116 R)
• M14: 9,181,121 km (0.033 R)
• M15: 9,873,759 km (0.072 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 703.2

Radius: 6.6

Gravity: 16.14 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 6.16 AU - 8.92 AU

Year: 14553 Days

Day: 21.4 Hours

Environment

Temp: -239 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 72,048,661 km

• M1: 82,129 km (0.084 R)
• M2: 381,475 km (0.105 R)
• M3: 826,827 km (0.058 R)
• M4: 1,039,556 km (0.114 R)
• M5: 1,385,875 km (0.082 R)
• M6: 1,674,150 km (0.069 R)
• M7: 1,911,711 km (0.077 R)
• M8: 2,270,447 km (0.115 R)
• M9: 2,975,502 km (0.103 R)
• M10: 3,789,164 km (0.118 R)
• M11: 4,141,019 km (0.084 R)
• M12: 6,277,276 km (0.104 R)
• M13: 7,880,666 km (0.059 R)
• M14: 10,010,940 km (0.111 R)
• M15: 11,208,022 km (0.115 R)
• M16: 13,145,314 km (0.034 R)
• M17: 14,507,403 km (0.075 R)
• M18: 14,933,757 km (0.104 R)
• M19: 16,036,144 km (0.038 R)
• M20: 18,901,541 km (0.079 R)
• M21: 20,632,389 km (0.118 R)
• M22: 21,997,918 km (0.108 R)
• M23: 22,466,159 km (0.04 R)
• M24: 23,519,777 km (0.057 R)
• M25: 24,207,030 km (0.098 R)
• M26: 24,605,858 km (0.059 R)
• M27: 26,244,702 km (0.109 R)
• M28: 27,090,978 km (0.09 R)
• M29: 27,520,772 km (0.099 R)
• M30: 29,738,561 km (0.065 R)
• M31: 33,530,268 km (0.104 R)
• M32: 34,526,141 km (0.119 R)
• M33: 35,798,621 km (0.108 R)
• M34: 40,498,388 km (0.111 R)
• M35: 46,507,584 km (0.095 R)
• M36: 47,123,778 km (0.067 R)
• M37: 52,251,395 km (0.06 R)
• M38: 54,606,963 km (0.041 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 631

Radius: 6

Gravity: 17.53 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 8.88 AU - 9.26 AU

Year: 19201 Days

Day: 16.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 72,048,661 km

• M1: 74,799 km (0.111 R)
• M2: 515,664 km (0.105 R)
• M3: 750,682 km (0.096 R)
• M4: 996,771 km (0.106 R)
• M5: 1,339,649 km (0.116 R)
• M6: 1,571,526 km (0.048 R)
• M7: 2,239,630 km (0.071 R)
• M8: 2,661,197 km (0.117 R)
• M9: 2,979,092 km (0.118 R)
• M10: 3,460,648 km (0.068 R)
• M11: 3,839,878 km (0.086 R)
• M12: 5,483,510 km (0.073 R)
• M13: 8,084,269 km (0.094 R)
• M14: 9,179,774 km (0.104 R)
• M15: 11,034,339 km (0.108 R)
• M16: 12,918,674 km (0.073 R)
• M17: 17,227,990 km (0.1 R)
• M18: 22,506,401 km (0.09 R)
• M19: 26,604,336 km (0.038 R)
• M20: 29,715,672 km (0.064 R)
• M21: 36,512,352 km (0.076 R)
• M22: 38,608,667 km (0.104 R)
• M23: 40,636,317 km (0.093 R)
• M24: 43,809,288 km (0.046 R)
• M25: 45,694,670 km (0.054 R)
• M26: 48,457,144 km (0.049 R)
• M27: 49,290,254 km (0.112 R)
• M28: 53,955,314 km (0.032 R)
• M29: 58,906,256 km (0.072 R)
• M30: 60,814,078 km (0.092 R)
• M31: 61,783,322 km (0.097 R)
• M32: 63,157,528 km (0.084 R)
• M33: 67,195,773 km (0.09 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 471 - 18,279 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit