🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 792.8

Radius: 8.1

Gravity: 12.08 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.57 AU - 0.71 AU

Year: 341 Days

Day: 8.8 Hours

Environment

Temp: -144 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 16,760,704 km

• M1: 101,128 km (0.094 R)
• M2: 363,972 km (0.112 R)
• M3: 727,046 km (0.087 R)
• M4: 1,047,783 km (0.108 R)
• M5: 1,494,932 km (0.077 R)
• M6: 1,763,460 km (0.094 R)
• M7: 2,172,161 km (0.101 R)
• M8: 2,436,052 km (0.067 R)
• M9: 2,711,461 km (0.104 R)
• M10: 3,498,645 km (0.079 R)
• M11: 3,875,782 km (0.073 R)
• M12: 4,640,376 km (0.049 R)
• M13: 5,296,513 km (0.045 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 811.5

Radius: 13

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.62 AU - 0.68 AU

Year: 349 Days

Day: 12.1 Hours

Environment

Temp: -153 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 16,760,704 km

• M1: 161,715 km (0.116 R)
• M2: 603,627 km (0.079 R)
• M3: 1,338,003 km (0.103 R)
• M4: 1,866,981 km (0.117 R)
• M5: 2,310,240 km (0.084 R)
• M6: 2,804,362 km (0.087 R)
• M7: 3,460,648 km (0.066 R)
• M8: 4,164,506 km (0.105 R)
• M9: 4,858,789 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 625.6

Radius: 14.1

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.89 AU - 1.29 AU

Year: 759 Days

Day: 14 Hours

Environment

Temp: -188 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 16,760,704 km

• M1: 175,628 km (0.117 R)
• M2: 663,167 km (0.097 R)
• M3: 1,147,266 km (0.115 R)
• M4: 1,825,842 km (0.115 R)
• M5: 2,314,578 km (0.07 R)
• M6: 3,428,783 km (0.108 R)
• M7: 3,959,257 km (0.118 R)
• M8: 4,400,721 km (0.063 R)
• M9: 4,875,245 km (0.084 R)
• M10: 5,660,933 km (0.045 R)
• M11: 6,144,134 km (0.094 R)
• M12: 6,802,963 km (0.115 R)
• M13: 7,463,139 km (0.109 R)
• M14: 8,213,970 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 892.9

Radius: 9.2

Gravity: 10.55 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.14 AU - 1.54 AU

Year: 1034 Days

Day: 14.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 16,760,704 km

• M1: 114,592 km (0.093 R)
• M2: 425,905 km (0.084 R)
• M3: 807,829 km (0.036 R)
• M4: 1,176,288 km (0.068 R)
• M5: 2,252,346 km (0.051 R)
• M6: 2,970,864 km (0.109 R)
• M7: 3,309,853 km (0.111 R)
• M8: 3,965,840 km (0.109 R)
• M9: 4,503,793 km (0.115 R)
• M10: 6,367,035 km (0.111 R)
• M11: 7,355,129 km (0.085 R)
• M12: 8,414,431 km (0.117 R)
• M13: 10,316,269 km (0.097 R)
• M14: 11,031,497 km (0.043 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406.4

Radius: 12.4

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.52 AU - 1.7 AU

Year: 1362 Days

Day: 9.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 16,760,704 km

• M1: 154,385 km (0.087 R)
• M2: 636,389 km (0.089 R)
• M3: 1,266,346 km (0.08 R)
• M4: 1,772,585 km (0.083 R)
• M5: 2,312,633 km (0.107 R)
• M6: 3,931,582 km (0.103 R)
• M7: 4,464,898 km (0.11 R)
• M8: 5,008,387 km (0.073 R)
• M9: 5,780,761 km (0.101 R)
• M10: 6,338,761 km (0.107 R)
• M11: 7,815,442 km (0.086 R)
• M12: 8,552,959 km (0.062 R)
• M13: 9,193,088 km (0.079 R)
• M14: 9,894,852 km (0.038 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 140.5

Radius: 11.3

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.73 AU - 2.27 AU

Year: 1886 Days

Day: 7.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 99.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 16,760,704 km

• M1: 148,401 km (0.09 R)
• M2: 915,240 km (0.071 R)
• M3: 1,639,144 km (0.103 R)
• M4: 2,451,909 km (0.095 R)
• M5: 3,445,538 km (0.101 R)
• M6: 4,255,910 km (0.106 R)
• M7: 5,060,896 km (0.116 R)
• M8: 5,509,690 km (0.099 R)
• M9: 5,944,271 km (0.115 R)
• M10: 7,434,565 km (0.072 R)
• M11: 8,523,339 km (0.096 R)
• M12: 8,917,828 km (0.078 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 618.5

Radius: 14.5

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 2.01 AU - 2.39 AU

Year: 2176 Days

Day: 9.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 16,760,704 km

• M1: 180,415 km (0.03 R)
• M2: 641,625 km (0.105 R)
• M3: 1,186,760 km (0.049 R)
• M4: 1,847,384 km (0.047 R)
• M5: 2,405,683 km (0.107 R)
• M6: 2,864,350 km (0.028 R)
• M7: 3,415,319 km (0.101 R)
• M8: 4,131,893 km (0.093 R)
• M9: 5,122,530 km (0.047 R)
• M10: 5,579,851 km (0.101 R)
• M11: 6,190,210 km (0.052 R)
• M12: 6,926,381 km (0.115 R)
• M13: 8,170,288 km (0.094 R)
• M14: 10,763,268 km (0.112 R)
• M15: 12,067,013 km (0.111 R)
• M16: 14,172,603 km (0.073 R)
• M17: 16,122,462 km (0.071 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 172 - 18,589 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit