🌌 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: 37.1

Radius: 11.9

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.46 AU - 0.76 AU

Year: 323 Days

Day: 10.3 Hours

Environment

Temp: -161 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 78,470,044 km

• M1: 147,952 km (0.097 R)
• M2: 753,524 km (0.042 R)
• M3: 1,344,735 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201.5

Radius: 14.4

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 0.64 AU - 0.66 AU

Year: 355 Days

Day: 7.4 Hours

Environment

Temp: -151 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 78,470,044 km

• M1: 179,069 km (0.119 R)
• M2: 690,693 km (0.113 R)
• M3: 1,152,951 km (0.098 R)
• M4: 1,641,687 km (0.119 R)
• M5: 2,257,133 km (0.05 R)
• M6: 3,179,404 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 453.1

Radius: 8.9

Gravity: 5.72 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.62 AU - 0.84 AU

Year: 423 Days

Day: 9.9 Hours

Environment

Temp: -165 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 78,470,044 km

• M1: 111,600 km (0.086 R)
• M2: 449,990 km (0.114 R)
• M3: 1,139,786 km (0.109 R)
• M4: 1,530,087 km (0.056 R)
• M5: 2,322,507 km (0.107 R)
• M6: 3,103,258 km (0.082 R)
• M7: 3,799,188 km (0.049 R)
• M8: 4,665,509 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 588

Radius: 11.6

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.03 AU - 1.69 AU

Year: 1076 Days

Day: 9.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 78,470,044 km

• M1: 144,212 km (0.098 R)
• M2: 557,850 km (0.102 R)
• M3: 1,057,807 km (0.047 R)
• M4: 1,691,354 km (0.115 R)
• M5: 2,136,706 km (0.102 R)
• M6: 2,600,909 km (0.084 R)
• M7: 3,065,111 km (0.112 R)
• M8: 3,467,230 km (0.072 R)
• M9: 3,889,096 km (0.059 R)
• M10: 4,345,220 km (0.086 R)
• M11: 4,928,502 km (0.066 R)
• M12: 5,365,477 km (0.1 R)
• M13: 6,538,923 km (0.05 R)
• M14: 7,162,447 km (0.117 R)
• M15: 7,674,670 km (0.118 R)
• M16: 8,690,739 km (0.114 R)
• M17: 9,502,906 km (0.041 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 496.7

Radius: 9.8

Gravity: 5.17 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.11 AU - 1.85 AU

Year: 1221 Days

Day: 6.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 78,470,044 km

• M1: 121,922 km (0.098 R)
• M2: 515,813 km (0.081 R)
• M3: 1,063,940 km (0.058 R)
• M4: 1,479,373 km (0.113 R)
• M5: 1,836,763 km (0.07 R)
• M6: 2,328,940 km (0.107 R)
• M7: 2,830,093 km (0.075 R)
• M8: 3,372,983 km (0.108 R)
• M9: 3,824,619 km (0.095 R)
• M10: 4,265,334 km (0.057 R)
• M11: 7,359,916 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 749

Radius: 13.8

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 2.26 AU - 2.72 AU

Year: 2665 Days

Day: 10.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 78,470,044 km

• M1: 171,589 km (0.034 R)
• M2: 636,090 km (0.03 R)
• M3: 1,165,816 km (0.074 R)
• M4: 1,728,304 km (0.077 R)
• M5: 2,210,458 km (0.079 R)
• M6: 2,957,550 km (0.057 R)
• M7: 4,067,117 km (0.114 R)
• M8: 4,981,160 km (0.055 R)
• M9: 5,413,049 km (0.08 R)
• M10: 6,575,874 km (0.081 R)
• M11: 8,157,871 km (0.084 R)
• M12: 9,003,249 km (0.12 R)
• M13: 9,720,870 km (0.096 R)
• M14: 10,632,220 km (0.099 R)
• M15: 12,581,031 km (0.113 R)
• M16: 14,370,970 km (0.054 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 702.7

Radius: 4

Gravity: 43.92 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 7.77 AU - 11.75 AU

Year: 20681 Days

Day: 20.1 Hours

Environment

Temp: -239 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 78,470,044 km

• M1: 60,737 km (0.11 R)
• M2: 206,595 km (0.065 R)
• M3: 336,146 km (0.109 R)
• M4: 658,530 km (0.047 R)
• M5: 1,789,789 km (0.118 R)
• M6: 2,997,941 km (0.082 R)
• M7: 3,326,309 km (0.088 R)
• M8: 3,558,185 km (0.094 R)
• M9: 5,695,341 km (0.066 R)
• M10: 6,027,298 km (0.098 R)
• M11: 7,053,839 km (0.108 R)
• M12: 8,941,016 km (0.089 R)
• M13: 12,744,243 km (0.109 R)
• M14: 16,155,672 km (0.079 R)
• M15: 20,897,626 km (0.118 R)
• M16: 23,635,716 km (0.071 R)
• M17: 28,236,000 km (0.114 R)
• M18: 33,001,141 km (0.102 R)
• M19: 33,133,236 km (0.05 R)
• M20: 36,130,878 km (0.084 R)
• M21: 40,502,876 km (0.086 R)
• M22: 57,218,194 km (0.081 R)
• M23: 61,914,669 km (0.106 R)
• M24: 62,519,194 km (0.08 R)
• M25: 64,562,701 km (0.118 R)
• M26: 67,924,315 km (0.091 R)
• M27: 73,407,376 km (0.112 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 531 - 15,019 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit