🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 997.9

Radius: 10.1

Gravity: 9.78 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.51 AU - 0.57 AU

Year: 265 Days

Day: 8.3 Hours

Environment

Temp: -137 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 48,811,030 km

• M1: 125,662 km (0.057 R)
• M2: 440,117 km (0.03 R)
• M3: 760,107 km (0.03 R)
• M4: 1,272,928 km (0.054 R)
• M5: 1,609,823 km (0.119 R)
• M6: 1,938,788 km (0.051 R)
• M7: 2,304,705 km (0.103 R)
• M8: 2,851,784 km (0.062 R)
• M9: 3,339,174 km (0.086 R)
• M10: 3,667,093 km (0.096 R)
• M11: 4,521,745 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 697

Radius: 14.7

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.6 AU - 0.86 AU

Year: 416 Days

Day: 12.9 Hours

Environment

Temp: -168 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 48,811,030 km

• M1: 182,958 km (0.107 R)
• M2: 650,601 km (0.106 R)
• M3: 1,115,252 km (0.075 R)
• M4: 1,665,922 km (0.05 R)
• M5: 2,336,420 km (0.105 R)
• M6: 3,492,811 km (0.104 R)
• M7: 4,187,394 km (0.083 R)
• M8: 4,661,918 km (0.102 R)
• M9: 5,156,938 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 136.5

Radius: 9.6

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.3 AU - 1.56 AU

Year: 1140 Days

Day: 13.8 Hours

Environment

Temp: -189 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 48,811,030 km

• M1: 122,820 km (0.07 R)
• M2: 605,123 km (0.116 R)
• M3: 946,955 km (0.103 R)
• M4: 1,260,661 km (0.077 R)
• M5: 1,593,965 km (0.12 R)
• M6: 2,098,709 km (0.044 R)
• M7: 3,093,684 km (0.068 R)
• M8: 3,842,421 km (0.119 R)
• M9: 4,509,628 km (0.099 R)
• M10: 5,910,313 km (0.113 R)
• M11: 6,278,323 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 409.1

Radius: 10.6

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.57 AU - 1.81 AU

Year: 1465 Days

Day: 13.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,811,030 km

• M1: 131,796 km (0.067 R)
• M2: 615,296 km (0.11 R)
• M3: 947,403 km (0.1 R)
• M4: 1,559,558 km (0.098 R)
• M5: 2,723,130 km (0.12 R)
• M6: 3,275,894 km (0.102 R)
• M7: 3,664,101 km (0.08 R)
• M8: 4,409,248 km (0.081 R)
• M9: 4,846,373 km (0.031 R)
• M10: 5,352,462 km (0.085 R)
• M11: 6,089,232 km (0.113 R)
• M12: 6,679,246 km (0.114 R)
• M13: 8,026,674 km (0.066 R)
• M14: 8,376,434 km (0.089 R)
• M15: 10,986,916 km (0.032 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 733.9

Radius: 11.2

Gravity: 5.85 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.82 AU - 2.36 AU

Year: 2015 Days

Day: 10.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,811,030 km

• M1: 139,276 km (0.048 R)
• M2: 651,948 km (0.108 R)
• M3: 1,071,121 km (0.109 R)
• M4: 1,553,723 km (0.051 R)
• M5: 1,976,637 km (0.067 R)
• M6: 2,600,161 km (0.061 R)
• M7: 3,660,809 km (0.083 R)
• M8: 4,667,154 km (0.079 R)
• M9: 5,349,620 km (0.09 R)
• M10: 6,941,192 km (0.103 R)
• M11: 7,861,069 km (0.039 R)
• M12: 10,772,692 km (0.057 R)
• M13: 11,262,326 km (0.11 R)
• M14: 12,367,256 km (0.093 R)
• M15: 16,311,404 km (0.07 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 707.3

Radius: 10.4

Gravity: 6.54 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 2.96 AU - 4.86 AU

Year: 5156 Days

Day: 8.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 48,811,030 km

• M1: 129,402 km (0.077 R)
• M2: 542,292 km (0.075 R)
• M3: 2,070,435 km (0.118 R)
• M4: 3,168,632 km (0.074 R)
• M5: 4,148,349 km (0.068 R)
• M6: 4,933,139 km (0.042 R)
• M7: 5,547,987 km (0.05 R)
• M8: 6,897,210 km (0.077 R)
• M9: 7,274,944 km (0.118 R)
• M10: 7,997,502 km (0.112 R)
• M11: 8,376,284 km (0.08 R)
• M12: 10,498,330 km (0.073 R)
• M13: 10,999,333 km (0.058 R)
• M14: 13,479,965 km (0.108 R)
• M15: 15,424,139 km (0.116 R)
• M16: 15,834,187 km (0.106 R)
• M17: 17,995,427 km (0.113 R)
• M18: 18,515,878 km (0.061 R)
• M19: 22,146,170 km (0.075 R)
• M20: 25,001,245 km (0.108 R)
• M21: 25,731,133 km (0.04 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 686.2

Radius: 10.4

Gravity: 6.34 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 4.42 AU - 4.82 AU

Year: 6622 Days

Day: 5.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 48,811,030 km

• M1: 129,851 km (0.084 R)
• M2: 565,330 km (0.118 R)
• M3: 892,650 km (0.068 R)
• M4: 2,121,597 km (0.065 R)
• M5: 2,762,175 km (0.077 R)
• M6: 3,285,917 km (0.108 R)
• M7: 4,805,383 km (0.076 R)
• M8: 5,383,279 km (0.097 R)
• M9: 6,471,604 km (0.087 R)
• M10: 7,510,711 km (0.118 R)
• M11: 8,011,116 km (0.117 R)
• M12: 8,951,189 km (0.109 R)
• M13: 9,558,406 km (0.064 R)
• M14: 11,799,532 km (0.085 R)
• M15: 12,636,532 km (0.109 R)
• M16: 13,179,423 km (0.101 R)
• M17: 15,569,698 km (0.096 R)
• M18: 16,320,679 km (0.116 R)
• M19: 16,769,921 km (0.087 R)
• M20: 17,161,419 km (0.117 R)
• M21: 17,760,110 km (0.107 R)
• M22: 20,442,848 km (0.102 R)
• M23: 25,126,309 km (0.107 R)
• M24: 26,509,790 km (0.1 R)
• M25: 33,885,563 km (0.109 R)
• M26: 36,437,553 km (0.084 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 40

Radius: 5.6

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 5.3 AU - 7.16 AU

Year: 10370 Days

Day: 15.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 48,811,030 km

• M1: 119,529 km (0.108 R)
• M2: 328,816 km (0.114 R)
• M3: 955,332 km (0.09 R)
• M4: 1,990,549 km (0.052 R)
• M5: 9,751,986 km (0.054 R)
• M6: 12,873,495 km (0.089 R)
• M7: 15,835,683 km (0.118 R)
• M8: 17,447,600 km (0.118 R)
• M9: 18,599,653 km (0.073 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 528.9

Radius: 4

Gravity: 33.06 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 5.35 AU - 8.15 AU

Year: 11695 Days

Day: 22.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 48,811,030 km

• M1: 49,816 km (0.094 R)
• M2: 568,921 km (0.107 R)
• M3: 715,377 km (0.069 R)
• M4: 1,202,468 km (0.084 R)
• M5: 3,054,938 km (0.092 R)
• M6: 3,980,949 km (0.083 R)
• M7: 4,552,562 km (0.117 R)
• M8: 5,857,056 km (0.114 R)
• M9: 6,594,424 km (0.052 R)
• M10: 9,127,564 km (0.104 R)
• M11: 11,281,774 km (0.036 R)
• M12: 25,203,202 km (0.082 R)
• M13: 33,165,998 km (0.073 R)
• M14: 36,432,617 km (0.063 R)
• M15: 37,649,296 km (0.065 R)
• M16: 39,779,420 km (0.072 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: 495 - 10,987 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit