🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 451.8

Radius: 10

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1 AU - 1.14 AU

Year: 726 Days

Day: 8.8 Hours

Environment

Temp: -161 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 27,514,547 km

• M1: 124,615 km (0.088 R)
• M2: 715,975 km (0.052 R)
• M3: 1,048,980 km (0.036 R)
• M4: 1,524,103 km (0.057 R)
• M5: 1,866,832 km (0.04 R)
• M6: 2,329,239 km (0.058 R)
• M7: 5,207,053 km (0.081 R)
• M8: 6,263,064 km (0.055 R)
• M9: 6,966,174 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 626.2

Radius: 12.9

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.99 AU - 2.25 AU

Year: 2025 Days

Day: 11.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 27,514,547 km

• M1: 160,369 km (0.041 R)
• M2: 624,422 km (0.111 R)
• M3: 1,176,886 km (0.116 R)
• M4: 1,598,004 km (0.116 R)
• M5: 2,006,107 km (0.109 R)
• M6: 2,432,312 km (0.055 R)
• M7: 2,846,099 km (0.12 R)
• M8: 3,275,146 km (0.096 R)
• M9: 4,461,756 km (0.065 R)
• M10: 4,873,001 km (0.083 R)
• M11: 5,468,849 km (0.067 R)
• M12: 6,212,351 km (0.082 R)
• M13: 6,700,788 km (0.077 R)
• M14: 7,104,403 km (0.05 R)
• M15: 7,990,471 km (0.116 R)
• M16: 8,852,903 km (0.037 R)
• M17: 9,472,836 km (0.104 R)
• M18: 11,853,986 km (0.081 R)
• M19: 12,852,402 km (0.103 R)
• M20: 14,476,287 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883.8

Radius: 11.3

Gravity: 6.92 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 2.26 AU - 2.42 AU

Year: 2348 Days

Day: 11.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 27,514,547 km

• M1: 141,669 km (0.079 R)
• M2: 559,646 km (0.12 R)
• M3: 1,007,990 km (0.109 R)
• M4: 1,489,845 km (0.099 R)
• M5: 1,998,179 km (0.083 R)
• M6: 2,650,276 km (0.071 R)
• M7: 3,160,405 km (0.097 R)
• M8: 3,697,461 km (0.114 R)
• M9: 5,237,870 km (0.104 R)
• M10: 6,732,353 km (0.068 R)
• M11: 7,169,029 km (0.087 R)
• M12: 7,655,671 km (0.111 R)
• M13: 8,934,882 km (0.076 R)
• M14: 9,937,787 km (0.075 R)
• M15: 10,543,508 km (0.08 R)
• M16: 11,829,152 km (0.071 R)
• M17: 14,043,201 km (0.073 R)
• M18: 14,952,606 km (0.101 R)
• M19: 18,418,939 km (0.07 R)
• M20: 19,743,329 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689.6

Radius: 12

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 2.68 AU - 4.4 AU

Year: 4369 Days

Day: 8.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 27,514,547 km

• M1: 150,346 km (0.068 R)
• M2: 848,370 km (0.092 R)
• M3: 1,288,786 km (0.095 R)
• M4: 1,756,279 km (0.029 R)
• M5: 2,757,986 km (0.116 R)
• M6: 3,135,123 km (0.051 R)
• M7: 4,153,136 km (0.049 R)
• M8: 4,578,443 km (0.061 R)
• M9: 5,600,944 km (0.093 R)
• M10: 6,091,924 km (0.025 R)
• M11: 7,294,093 km (0.071 R)
• M12: 9,545,691 km (0.036 R)
• M13: 10,163,679 km (0.114 R)
• M14: 11,989,671 km (0.113 R)
• M15: 12,906,407 km (0.056 R)
• M16: 13,508,987 km (0.116 R)
• M17: 13,920,979 km (0.116 R)
• M18: 14,554,975 km (0.116 R)
• M19: 15,097,866 km (0.106 R)
• M20: 17,832,515 km (0.117 R)
• M21: 23,000,673 km (0.094 R)
• M22: 25,181,510 km (0.076 R)
• M23: 27,087,986 km (0.038 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 905.1

Radius: 13.2

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 3.47 AU - 3.73 AU

Year: 4481 Days

Day: 12.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 27,514,547 km

• M1: 165,455 km (0.06 R)
• M2: 609,163 km (0.084 R)
• M3: 1,186,910 km (0.114 R)
• M4: 2,515,937 km (0.096 R)
• M5: 3,088,149 km (0.098 R)
• M6: 3,616,080 km (0.077 R)
• M7: 5,150,655 km (0.093 R)
• M8: 6,079,807 km (0.106 R)
• M9: 6,649,925 km (0.112 R)
• M10: 7,220,940 km (0.081 R)
• M11: 9,670,006 km (0.09 R)
• M12: 10,537,524 km (0.05 R)
• M13: 15,615,325 km (0.065 R)
• M14: 19,991,811 km (0.105 R)
• M15: 20,477,106 km (0.093 R)
• M16: 25,205,596 km (0.109 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 100.1

Radius: 6.1

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 5.4 AU - 8 AU

Year: 11377 Days

Day: 15.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 27,514,547 km

• M1: 92,751 km (0.086 R)
• M2: 322,832 km (0.038 R)
• M3: 1,629,570 km (0.117 R)
• M4: 1,953,150 km (0.057 R)
• M5: 2,182,184 km (0.043 R)
• M6: 4,069,062 km (0.083 R)
• M7: 6,032,235 km (0.074 R)
• M8: 6,396,207 km (0.103 R)
• M9: 7,235,151 km (0.084 R)
• M10: 9,287,036 km (0.072 R)
• M11: 9,608,821 km (0.098 R)
• M12: 11,330,393 km (0.109 R)
• M13: 12,848,213 km (0.091 R)
• M14: 16,165,247 km (0.061 R)
• M15: 22,217,677 km (0.075 R)
• M16: 23,601,158 km (0.055 R)
• M17: 24,125,050 km (0.117 R)
• M18: 25,118,380 km (0.085 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: 193 - 15,489 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit