🌌 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: 68.6

Radius: 14.8

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.56 AU - 0.72 AU

Year: 341 Days

Day: 14.1 Hours

Environment

Temp: -146 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 37,029,304 km

• M1: 186,549 km (0.1 R)
• M2: 924,515 km (0.096 R)
• M3: 1,650,065 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655.8

Radius: 9.1

Gravity: 7.92 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.67 AU - 0.73 AU

Year: 391 Days

Day: 10.8 Hours

Environment

Temp: -168 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 37,029,304 km

• M1: 114,742 km (0.058 R)
• M2: 490,980 km (0.118 R)
• M3: 832,063 km (0.099 R)
• M4: 1,146,817 km (0.119 R)
• M5: 1,700,329 km (0.109 R)
• M6: 2,109,031 km (0.098 R)
• M7: 2,839,517 km (0.105 R)
• M8: 3,337,379 km (0.063 R)
• M9: 3,643,905 km (0.097 R)
• M10: 4,060,086 km (0.117 R)
• M11: 4,649,801 km (0.073 R)
• M12: 5,003,151 km (0.055 R)
• M13: 5,438,032 km (0.043 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 441.4

Radius: 9.5

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.71 AU - 0.73 AU

Year: 407 Days

Day: 14 Hours

Environment

Temp: -158 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 37,029,304 km

• M1: 118,182 km (0.068 R)
• M2: 435,928 km (0.108 R)
• M3: 806,482 km (0.119 R)
• M4: 1,431,951 km (0.027 R)
• M5: 1,751,941 km (0.032 R)
• M6: 2,056,672 km (0.102 R)
• M7: 2,707,871 km (0.108 R)
• M8: 3,066,308 km (0.059 R)
• M9: 4,053,504 km (0.078 R)
• M10: 4,430,341 km (0.095 R)
• M11: 4,816,303 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 656.7

Radius: 10.4

Gravity: 6.07 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.03 AU - 1.17 AU

Year: 769 Days

Day: 7 Hours

Environment

Temp: -189 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 37,029,304 km

• M1: 130,001 km (0.109 R)
• M2: 475,123 km (0.111 R)
• M3: 876,344 km (0.088 R)
• M4: 1,207,255 km (0.091 R)
• M5: 1,656,048 km (0.07 R)
• M6: 2,136,108 km (0.082 R)
• M7: 2,673,164 km (0.081 R)
• M8: 3,781,984 km (0.045 R)
• M9: 4,296,600 km (0.088 R)
• M10: 5,616,802 km (0.116 R)
• M11: 6,349,831 km (0.113 R)
• M12: 7,034,092 km (0.089 R)
• M13: 8,524,236 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 164

Radius: 9.7

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.32 AU - 1.86 AU

Year: 1337 Days

Day: 5.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 66.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 37,029,304 km

• M1: 120,576 km (0.109 R)
• M2: 438,023 km (0.118 R)
• M3: 1,027,588 km (0.11 R)
• M4: 1,340,547 km (0.044 R)
• M5: 1,758,972 km (0.081 R)
• M6: 2,313,232 km (0.118 R)
• M7: 2,726,122 km (0.117 R)
• M8: 3,101,164 km (0.11 R)
• M9: 3,984,838 km (0.095 R)
• M10: 5,856,158 km (0.11 R)
• M11: 6,463,974 km (0.099 R)
• M12: 6,920,248 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 475.2

Radius: 13.9

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 3.42 AU - 5 AU

Year: 5760 Days

Day: 13.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 37,029,304 km

• M1: 172,935 km (0.098 R)
• M2: 612,902 km (0.119 R)
• M3: 1,166,115 km (0.049 R)
• M4: 1,787,994 km (0.048 R)
• M5: 3,342,316 km (0.069 R)
• M6: 4,900,228 km (0.12 R)
• M7: 5,929,910 km (0.063 R)
• M8: 6,449,314 km (0.102 R)
• M9: 7,302,620 km (0.08 R)
• M10: 8,492,671 km (0.119 R)
• M11: 9,234,377 km (0.083 R)
• M12: 10,362,345 km (0.086 R)
• M13: 11,209,817 km (0.037 R)
• M14: 11,958,854 km (0.083 R)
• M15: 14,901,893 km (0.111 R)
• M16: 15,463,932 km (0.028 R)
• M17: 15,923,796 km (0.062 R)
• M18: 16,452,026 km (0.113 R)
• M19: 20,074,239 km (0.07 R)
• M20: 21,747,342 km (0.105 R)
• M21: 22,179,680 km (0.119 R)
• M22: 22,987,508 km (0.039 R)
• M23: 24,120,413 km (0.108 R)
• M24: 25,053,305 km (0.115 R)
• M25: 27,157,100 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 327.2

Radius: 8

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 4.7 AU - 7.5 AU

Year: 10047 Days

Day: 15.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 37,029,304 km

• M1: 99,782 km (0.079 R)
• M2: 555,606 km (0.115 R)
• M3: 879,037 km (0.057 R)
• M4: 1,205,460 km (0.116 R)
• M5: 1,748,350 km (0.059 R)
• M6: 2,076,269 km (0.107 R)
• M7: 2,357,513 km (0.074 R)
• M8: 2,645,489 km (0.115 R)
• M9: 3,227,873 km (0.071 R)
• M10: 4,041,386 km (0.118 R)
• M11: 4,455,922 km (0.095 R)
• M12: 5,431,450 km (0.118 R)
• M13: 6,824,804 km (0.073 R)
• M14: 7,798,387 km (0.09 R)
• M15: 8,483,246 km (0.102 R)
• M16: 10,299,365 km (0.053 R)
• M17: 10,585,396 km (0.089 R)
• M18: 11,173,315 km (0.063 R)
• M19: 12,414,080 km (0.056 R)
• M20: 14,622,444 km (0.034 R)
• M21: 15,166,980 km (0.04 R)
• M22: 16,685,399 km (0.074 R)
• M23: 18,232,988 km (0.104 R)
• M24: 23,776,936 km (0.11 R)
• M25: 24,277,191 km (0.099 R)
• M26: 24,614,534 km (0.116 R)
• M27: 26,884,084 km (0.106 R)
• M28: 31,534,034 km (0.106 R)
• M29: 34,206,600 km (0.099 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 91.5

Radius: 7.6

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 7.84 AU - 10.54 AU

Year: 18578 Days

Day: 18.2 Hours

Environment

Temp: -244 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 37,029,304 km

• M1: 100,679 km (0.11 R)
• M2: 417,378 km (0.095 R)
• M3: 871,108 km (0.081 R)
• M4: 1,719,179 km (0.068 R)
• M5: 2,302,311 km (0.117 R)
• M6: 4,103,170 km (0.041 R)
• M7: 5,168,906 km (0.07 R)
• M8: 7,718,801 km (0.091 R)
• M9: 8,152,486 km (0.069 R)
• M10: 9,959,478 km (0.109 R)
• M11: 10,858,561 km (0.118 R)
• M12: 11,252,901 km (0.058 R)
• M13: 17,689,499 km (0.103 R)
• M14: 24,165,442 km (0.061 R)
• M15: 26,044,690 km (0.085 R)
• M16: 28,855,185 km (0.081 R)
• M17: 29,899,229 km (0.067 R)
• M18: 32,466,627 km (0.036 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 384 - 15,779 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit