🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 517.5

Radius: 8

Gravity: 8.09 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.52 AU - 0.7 AU

Year: 329 Days

Day: 6.8 Hours

Environment

Temp: -143 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 49,069,589 km

• M1: 99,931 km (0.041 R)
• M2: 408,103 km (0.107 R)
• M3: 824,434 km (0.038 R)
• M4: 1,174,343 km (0.101 R)
• M5: 1,615,208 km (0.085 R)
• M6: 1,896,602 km (0.08 R)
• M7: 2,809,298 km (0.092 R)
• M8: 3,251,211 km (0.073 R)
• M9: 3,500,291 km (0.062 R)
• M10: 3,915,724 km (0.115 R)
• M11: 4,325,174 km (0.035 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 73.8

Radius: 12.9

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.68 AU - 0.96 AU

Year: 513 Days

Day: 11.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 49,069,589 km

• M1: 160,967 km (0.061 R)
• M2: 654,640 km (0.081 R)
• M3: 1,265,897 km (0.092 R)
• M4: 2,478,538 km (0.086 R)
• M5: 2,911,623 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 76.3

Radius: 14.5

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.82 AU - 1.06 AU

Year: 629 Days

Day: 11.7 Hours

Environment

Temp: -167 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 49,069,589 km

• M1: 189,989 km (0.097 R)
• M2: 667,954 km (0.068 R)
• M3: 1,136,944 km (0.078 R)
• M4: 1,763,460 km (0.112 R)
• M5: 2,302,311 km (0.09 R)
• M6: 2,784,764 km (0.111 R)
• M7: 3,296,389 km (0.056 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 236.3

Radius: 14.7

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 2.36 AU - 2.42 AU

Year: 2550 Days

Day: 11 Hours

Environment

Temp: -199 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 49,069,589 km

• M1: 184,305 km (0.106 R)
• M2: 657,782 km (0.119 R)
• M3: 1,869,973 km (0.059 R)
• M4: 2,377,559 km (0.064 R)
• M5: 4,659,974 km (0.04 R)
• M6: 5,140,033 km (0.059 R)
• M7: 6,833,481 km (0.055 R)
• M8: 10,466,765 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 229.3

Radius: 13.7

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 2.98 AU - 4.9 AU

Year: 5398 Days

Day: 11.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 49,069,589 km

• M1: 170,392 km (0.062 R)
• M2: 596,596 km (0.079 R)
• M3: 1,053,917 km (0.115 R)
• M4: 1,746,555 km (0.111 R)
• M5: 2,858,217 km (0.1 R)
• M6: 4,923,416 km (0.066 R)
• M7: 5,671,255 km (0.081 R)
• M8: 6,934,011 km (0.049 R)
• M9: 7,809,757 km (0.073 R)
• M10: 8,445,099 km (0.076 R)
• M11: 9,668,361 km (0.068 R)
• M12: 12,780,296 km (0.079 R)
• M13: 15,091,134 km (0.086 R)
• M14: 18,067,234 km (0.097 R)
• M15: 19,541,521 km (0.042 R)
• M16: 20,277,094 km (0.116 R)
• M17: 21,222,403 km (0.032 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 899.2

Radius: 13.4

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 4.79 AU - 5.49 AU

Year: 8044 Days

Day: 5.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 49,069,589 km

• M1: 167,101 km (0.102 R)
• M2: 681,867 km (0.082 R)
• M3: 1,375,552 km (0.086 R)
• M4: 2,532,692 km (0.11 R)
• M5: 3,082,913 km (0.112 R)
• M6: 3,613,985 km (0.068 R)
• M7: 5,013,623 km (0.104 R)
• M8: 5,752,487 km (0.1 R)
• M9: 6,636,610 km (0.075 R)
• M10: 7,898,319 km (0.099 R)
• M11: 12,022,582 km (0.119 R)
• M12: 12,875,889 km (0.104 R)
• M13: 14,262,212 km (0.058 R)
• M14: 14,703,376 km (0.104 R)
• M15: 15,613,081 km (0.072 R)
• M16: 16,628,851 km (0.047 R)
• M17: 21,300,642 km (0.11 R)
• M18: 22,549,934 km (0.075 R)
• M19: 28,138,013 km (0.098 R)
• M20: 29,336,591 km (0.08 R)
• M21: 31,942,736 km (0.098 R)
• M22: 45,122,607 km (0.1 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 766.5

Radius: 5.3

Gravity: 27.29 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 5.7 AU - 6.02 AU

Year: 9792 Days

Day: 23.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 49,069,589 km

• M1: 65,973 km (0.093 R)
• M2: 251,923 km (0.093 R)
• M3: 429,196 km (0.097 R)
• M4: 685,757 km (0.083 R)
• M5: 1,009,187 km (0.079 R)
• M6: 2,258,329 km (0.039 R)
• M7: 3,369,692 km (0.098 R)
• M8: 4,355,093 km (0.084 R)
• M9: 4,651,447 km (0.11 R)
• M10: 7,116,520 km (0.111 R)
• M11: 7,320,273 km (0.098 R)
• M12: 7,654,325 km (0.106 R)
• M13: 13,585,731 km (0.102 R)
• M14: 14,347,333 km (0.094 R)
• M15: 15,136,911 km (0.085 R)
• M16: 15,885,648 km (0.104 R)
• M17: 16,730,577 km (0.083 R)
• M18: 20,656,773 km (0.089 R)
• M19: 21,071,907 km (0.073 R)
• M20: 21,323,680 km (0.047 R)
• M21: 23,410,272 km (0.091 R)
• M22: 24,043,669 km (0.105 R)
• M23: 26,012,078 km (0.115 R)
• M24: 26,691,551 km (0.083 R)
• M25: 28,390,534 km (0.104 R)
• M26: 31,452,952 km (0.05 R)
• M27: 32,446,432 km (0.055 R)
• M28: 34,379,685 km (0.055 R)
• M29: 35,551,934 km (0.079 R)
• M30: 36,388,336 km (0.067 R)
• M31: 36,629,637 km (0.118 R)
• M32: 37,360,123 km (0.067 R)
• M33: 38,224,500 km (0.101 R)
• M34: 41,158,563 km (0.086 R)
• M35: 42,613,402 km (0.078 R)
• M36: 43,150,758 km (0.11 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 454 - 10,928 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit