🌌 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: 641.4

Radius: 12.1

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.62 AU - 0.92 AU

Year: 458 Days

Day: 11.8 Hours

Environment

Temp: -166 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 34,453,495 km

• M1: 152,291 km (0.119 R)
• M2: 691,142 km (0.082 R)
• M3: 1,145,920 km (0.119 R)
• M4: 1,573,022 km (0.089 R)
• M5: 2,107,535 km (0.109 R)
• M6: 2,886,341 km (0.099 R)
• M7: 3,402,304 km (0.073 R)
• M8: 3,797,093 km (0.077 R)
• M9: 4,333,850 km (0.117 R)
• M10: 4,997,915 km (0.116 R)
• M11: 5,460,921 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787.8

Radius: 13.5

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 0.77 AU - 0.79 AU

Year: 467 Days

Day: 13.7 Hours

Environment

Temp: -169 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 34,453,495 km

• M1: 168,148 km (0.079 R)
• M2: 614,997 km (0.117 R)
• M3: 1,172,847 km (0.069 R)
• M4: 1,673,252 km (0.081 R)
• M5: 2,243,818 km (0.094 R)
• M6: 3,088,149 km (0.094 R)
• M7: 3,783,779 km (0.041 R)
• M8: 4,247,233 km (0.105 R)
• M9: 4,856,695 km (0.069 R)
• M10: 5,644,028 km (0.072 R)
• M11: 6,123,190 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 79

Radius: 13.5

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1 AU - 1.26 AU

Year: 815 Days

Day: 12.8 Hours

Environment

Temp: -170 °C

Axial Tilt: 86.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 34,453,495 km

• M1: 167,998 km (0.091 R)
• M2: 625,618 km (0.07 R)
• M3: 1,565,243 km (0.051 R)
• M4: 2,026,303 km (0.1 R)
• M5: 2,459,090 km (0.062 R)
• M6: 2,944,684 km (0.114 R)
• M7: 4,247,233 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 369.3

Radius: 11

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.08 AU - 1.52 AU

Year: 1005 Days

Day: 8.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 34,453,495 km

• M1: 138,528 km (0.053 R)
• M2: 595,699 km (0.049 R)
• M3: 1,060,200 km (0.044 R)
• M4: 1,641,388 km (0.087 R)
• M5: 1,992,644 km (0.06 R)
• M6: 2,342,703 km (0.101 R)
• M7: 4,196,968 km (0.112 R)
• M8: 6,065,745 km (0.117 R)
• M9: 6,410,418 km (0.099 R)
• M10: 7,898,917 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 748.1

Radius: 14

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.36 AU - 1.54 AU

Year: 1184 Days

Day: 5.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 34,453,495 km

• M1: 174,132 km (0.108 R)
• M2: 677,080 km (0.066 R)
• M3: 1,301,053 km (0.059 R)
• M4: 1,910,514 km (0.103 R)
• M5: 2,380,850 km (0.113 R)
• M6: 4,163,010 km (0.059 R)
• M7: 7,403,000 km (0.075 R)
• M8: 8,332,153 km (0.118 R)
• M9: 10,390,470 km (0.056 R)
• M10: 11,012,498 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 678.2

Radius: 11.9

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 2.2 AU - 2.56 AU

Year: 2490 Days

Day: 9.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 34,453,495 km

• M1: 148,102 km (0.11 R)
• M2: 596,148 km (0.108 R)
• M3: 1,202,019 km (0.054 R)
• M4: 1,998,179 km (0.113 R)
• M5: 2,770,852 km (0.102 R)
• M6: 3,568,059 km (0.119 R)
• M7: 4,080,282 km (0.095 R)
• M8: 4,469,835 km (0.117 R)
• M9: 5,089,469 km (0.076 R)
• M10: 6,311,534 km (0.104 R)
• M11: 6,920,098 km (0.08 R)
• M12: 9,398,486 km (0.072 R)
• M13: 10,953,706 km (0.117 R)
• M14: 14,147,171 km (0.116 R)
• M15: 15,239,385 km (0.034 R)
• M16: 15,781,229 km (0.105 R)
• M17: 16,284,925 km (0.091 R)
• M18: 18,297,764 km (0.109 R)
• M19: 18,853,820 km (0.097 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 946.7

Radius: 10

Gravity: 9.47 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 3.45 AU - 4.31 AU

Year: 5184 Days

Day: 12.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 34,453,495 km

• M1: 126,560 km (0.085 R)
• M2: 531,222 km (0.086 R)
• M3: 1,270,535 km (0.116 R)
• M4: 1,712,746 km (0.065 R)
• M5: 4,415,531 km (0.111 R)
• M6: 6,616,714 km (0.099 R)
• M7: 7,916,420 km (0.09 R)
• M8: 8,708,242 km (0.098 R)
• M9: 9,465,207 km (0.073 R)
• M10: 10,449,262 km (0.038 R)
• M11: 12,000,442 km (0.057 R)
• M12: 13,369,562 km (0.109 R)
• M13: 13,866,825 km (0.115 R)
• M14: 18,708,261 km (0.069 R)
• M15: 22,730,200 km (0.115 R)
• M16: 23,518,730 km (0.098 R)
• M17: 26,164,817 km (0.065 R)
• M18: 26,508,892 km (0.117 R)
• M19: 27,030,690 km (0.081 R)
• M20: 30,686,862 km (0.114 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 206 - 14,102 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit