🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 699.5

Radius: 8.6

Gravity: 9.46 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.59 AU - 0.95 AU

Year: 458 Days

Day: 6.4 Hours

Environment

Temp: -163 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 37,620,153 km

• M1: 106,962 km (0.095 R)
• M2: 390,301 km (0.084 R)
• M3: 660,475 km (0.098 R)
• M4: 1,016,368 km (0.099 R)
• M5: 1,316,760 km (0.083 R)
• M6: 1,759,720 km (0.069 R)
• M7: 2,085,095 km (0.1 R)
• M8: 2,393,117 km (0.079 R)
• M9: 2,690,219 km (0.073 R)
• M10: 3,605,458 km (0.088 R)
• M11: 3,957,163 km (0.066 R)
• M12: 4,609,410 km (0.07 R)
• M13: 5,548,585 km (0.11 R)
• M14: 6,126,781 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252.3

Radius: 12.5

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.77 AU - 1.07 AU

Year: 599 Days

Day: 5.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 37,620,153 km

• M1: 156,330 km (0.092 R)
• M2: 566,826 km (0.115 R)
• M3: 963,261 km (0.067 R)
• M4: 1,353,861 km (0.071 R)
• M5: 2,164,681 km (0.109 R)
• M6: 2,557,974 km (0.074 R)
• M7: 3,136,319 km (0.088 R)
• M8: 3,596,782 km (0.089 R)
• M9: 4,050,961 km (0.029 R)
• M10: 4,529,524 km (0.085 R)
• M11: 4,927,903 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 556

Radius: 9.3

Gravity: 6.43 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 2 AU - 2 AU

Year: 1918 Days

Day: 6.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 37,620,153 km

• M1: 115,639 km (0.112 R)
• M2: 599,139 km (0.064 R)
• M3: 931,845 km (0.11 R)
• M4: 1,647,821 km (0.102 R)
• M5: 1,982,471 km (0.078 R)
• M6: 2,413,612 km (0.093 R)
• M7: 2,749,010 km (0.118 R)
• M8: 3,367,298 km (0.106 R)
• M9: 4,396,831 km (0.114 R)
• M10: 5,220,816 km (0.095 R)
• M11: 5,951,302 km (0.077 R)
• M12: 6,517,231 km (0.033 R)
• M13: 6,878,959 km (0.081 R)
• M14: 9,114,400 km (0.095 R)
• M15: 9,534,620 km (0.119 R)
• M16: 11,346,400 km (0.091 R)
• M17: 12,255,506 km (0.098 R)
• M18: 13,049,572 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 608.1

Radius: 14.8

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 2.63 AU - 3.71 AU

Year: 3828 Days

Day: 6.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 37,620,153 km

• M1: 184,155 km (0.114 R)
• M2: 707,598 km (0.116 R)
• M3: 1,226,403 km (0.052 R)
• M4: 1,821,055 km (0.088 R)
• M5: 2,545,557 km (0.027 R)
• M6: 3,107,447 km (0.032 R)
• M7: 4,417,027 km (0.073 R)
• M8: 6,268,600 km (0.043 R)
• M9: 8,380,922 km (0.066 R)
• M10: 9,676,738 km (0.082 R)
• M11: 10,848,688 km (0.025 R)
• M12: 12,993,622 km (0.03 R)
• M13: 15,091,284 km (0.112 R)
• M14: 16,553,902 km (0.102 R)
• M15: 17,872,757 km (0.09 R)
• M16: 18,347,730 km (0.073 R)
• M17: 19,075,673 km (0.083 R)
• M18: 19,886,195 km (0.104 R)
• M19: 20,460,650 km (0.033 R)
• M20: 21,642,773 km (0.093 R)
• M21: 22,250,738 km (0.081 R)
• M22: 23,856,223 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329.4

Radius: 12.5

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 3.71 AU - 4.93 AU

Year: 6090 Days

Day: 11.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 37,620,153 km

• M1: 155,432 km (0.107 R)
• M2: 701,315 km (0.08 R)
• M3: 1,110,764 km (0.117 R)
• M4: 1,604,288 km (0.105 R)
• M5: 2,976,250 km (0.11 R)
• M6: 4,081,778 km (0.097 R)
• M7: 4,618,535 km (0.061 R)
• M8: 5,202,116 km (0.042 R)
• M9: 7,522,379 km (0.109 R)
• M10: 8,853,352 km (0.105 R)
• M11: 9,435,586 km (0.101 R)
• M12: 10,806,950 km (0.105 R)
• M13: 13,583,337 km (0.088 R)
• M14: 18,749,550 km (0.053 R)
• M15: 19,451,613 km (0.104 R)
• M16: 20,038,934 km (0.093 R)
• M17: 20,570,904 km (0.119 R)
• M18: 22,721,822 km (0.086 R)
• M19: 23,227,613 km (0.055 R)
• M20: 25,713,780 km (0.049 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 151.7

Radius: 5.8

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 6.28 AU - 9.32 AU

Year: 14775 Days

Day: 19.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 37,620,153 km

• M1: 72,256 km (0.059 R)
• M2: 333,753 km (0.059 R)
• M3: 522,994 km (0.112 R)
• M4: 959,820 km (0.051 R)
• M5: 2,678,999 km (0.086 R)
• M6: 3,425,791 km (0.077 R)
• M7: 4,435,726 km (0.081 R)
• M8: 4,793,864 km (0.093 R)
• M9: 6,737,140 km (0.102 R)
• M10: 7,744,532 km (0.089 R)
• M11: 8,806,079 km (0.113 R)
• M12: 19,659,404 km (0.09 R)
• M13: 21,002,943 km (0.074 R)
• M14: 22,327,033 km (0.101 R)
• M15: 27,536,031 km (0.098 R)
• M16: 32,570,748 km (0.098 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 364 - 16,917 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit