🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 530.5

Radius: 12.5

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.68 AU - 0.72 AU

Year: 404 Days

Day: 14 Hours

Environment

Temp: -167 °C

Axial Tilt: 170.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 26,136,719 km

• M1: 155,582 km (0.11 R)
• M2: 549,772 km (0.069 R)
• M3: 1,029,233 km (0.114 R)
• M4: 1,517,670 km (0.119 R)
• M5: 2,210,009 km (0.119 R)
• M6: 2,711,312 km (0.101 R)
• M7: 3,524,825 km (0.062 R)
• M8: 4,227,037 km (0.119 R)
• M9: 4,646,959 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754.5

Radius: 11.8

Gravity: 5.42 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.75 AU - 1.17 AU

Year: 649 Days

Day: 6.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 26,136,719 km

• M1: 146,756 km (0.106 R)
• M2: 516,113 km (0.095 R)
• M3: 1,009,486 km (0.118 R)
• M4: 1,445,714 km (0.111 R)
• M5: 1,999,525 km (0.111 R)
• M6: 2,424,084 km (0.116 R)
• M7: 2,827,699 km (0.075 R)
• M8: 3,392,581 km (0.119 R)
• M9: 4,196,071 km (0.118 R)
• M10: 4,618,984 km (0.118 R)
• M11: 5,661,980 km (0.117 R)
• M12: 6,239,428 km (0.117 R)
• M13: 7,026,762 km (0.072 R)
• M14: 7,972,968 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322.8

Radius: 10.4

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.93 AU - 1.31 AU

Year: 818 Days

Day: 7.5 Hours

Environment

Temp: -171 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 26,136,719 km

• M1: 160,369 km (0.114 R)
• M2: 681,867 km (0.109 R)
• M3: 1,071,869 km (0.111 R)
• M4: 1,929,813 km (0.086 R)
• M5: 2,405,983 km (0.1 R)
• M6: 2,971,163 km (0.059 R)
• M7: 3,378,818 km (0.112 R)
• M8: 3,933,975 km (0.114 R)
• M9: 5,572,969 km (0.061 R)
• M10: 6,008,299 km (0.052 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 755.3

Radius: 11.2

Gravity: 6.02 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.58 AU - 1.66 AU

Year: 1423 Days

Day: 10.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 26,136,719 km

• M1: 139,276 km (0.036 R)
• M2: 568,921 km (0.081 R)
• M3: 937,829 km (0.104 R)
• M4: 1,356,703 km (0.079 R)
• M5: 1,789,340 km (0.087 R)
• M6: 2,173,657 km (0.099 R)
• M7: 2,786,560 km (0.104 R)
• M8: 3,825,068 km (0.056 R)
• M9: 4,193,528 km (0.048 R)
• M10: 4,682,413 km (0.113 R)
• M11: 5,293,820 km (0.065 R)
• M12: 5,708,056 km (0.093 R)
• M13: 6,928,177 km (0.078 R)
• M14: 8,029,367 km (0.081 R)
• M15: 8,696,124 km (0.034 R)
• M16: 9,305,736 km (0.047 R)
• M17: 12,407,797 km (0.037 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 671.4

Radius: 13.6

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 2.49 AU - 2.77 AU

Year: 2944 Days

Day: 7.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 26,136,719 km

• M1: 169,345 km (0.113 R)
• M2: 756,367 km (0.098 R)
• M3: 1,202,318 km (0.1 R)
• M4: 1,762,413 km (0.06 R)
• M5: 2,367,087 km (0.032 R)
• M6: 3,405,895 km (0.095 R)
• M7: 4,820,791 km (0.107 R)
• M8: 5,370,863 km (0.105 R)
• M9: 7,005,967 km (0.063 R)
• M10: 7,809,458 km (0.116 R)
• M11: 8,987,242 km (0.068 R)
• M12: 11,567,955 km (0.117 R)
• M13: 11,991,616 km (0.12 R)
• M14: 13,510,632 km (0.082 R)
• M15: 15,255,093 km (0.112 R)
• M16: 16,129,044 km (0.117 R)
• M17: 17,752,779 km (0.069 R)
• M18: 19,069,689 km (0.079 R)
• M19: 19,782,074 km (0.109 R)
• M20: 20,573,746 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.1

Radius: 9.5

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 3.37 AU - 4.27 AU

Year: 5154 Days

Day: 9.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 26,136,719 km

• M1: 118,182 km (0.106 R)
• M2: 574,905 km (0.062 R)
• M3: 935,435 km (0.096 R)
• M4: 1,952,103 km (0.083 R)
• M5: 3,173,270 km (0.073 R)
• M6: 5,412,152 km (0.098 R)
• M7: 7,299,479 km (0.108 R)
• M8: 8,541,739 km (0.118 R)
• M9: 12,667,050 km (0.081 R)
• M10: 15,182,389 km (0.093 R)
• M11: 18,517,075 km (0.051 R)
• M12: 19,847,449 km (0.103 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 143.2

Radius: 11.2

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 5.03 AU - 5.89 AU

Year: 8806 Days

Day: 11.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 26,136,719 km

• M1: 139,276 km (0.098 R)
• M2: 716,125 km (0.094 R)
• M3: 1,206,806 km (0.074 R)
• M4: 1,904,979 km (0.099 R)
• M5: 4,488,235 km (0.094 R)
• M6: 5,560,403 km (0.072 R)
• M7: 10,211,251 km (0.085 R)
• M8: 11,106,894 km (0.115 R)
• M9: 22,078,701 km (0.067 R)
• M10: 23,793,093 km (0.062 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 534 - 16,363 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit