🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 420

Radius: 8.7

Gravity: 5.55 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.59 AU - 0.81 AU

Year: 391 Days

Day: 5.2 Hours

Environment

Temp: -153 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 56,943,797 km

• M1: 108,159 km (0.046 R)
• M2: 440,267 km (0.046 R)
• M3: 712,086 km (0.049 R)
• M4: 987,944 km (0.094 R)
• M5: 1,491,640 km (0.06 R)
• M6: 1,768,097 km (0.066 R)
• M7: 2,323,405 km (0.111 R)
• M8: 3,102,959 km (0.077 R)
• M9: 3,446,436 km (0.079 R)
• M10: 4,084,171 km (0.046 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754.1

Radius: 9.5

Gravity: 8.36 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.61 AU - 0.89 AU

Year: 433 Days

Day: 8.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 56,943,797 km

• M1: 118,482 km (0.066 R)
• M2: 473,178 km (0.11 R)
• M3: 902,823 km (0.117 R)
• M4: 1,209,349 km (0.111 R)
• M5: 1,537,866 km (0.091 R)
• M6: 1,839,156 km (0.08 R)
• M7: 2,242,622 km (0.081 R)
• M8: 2,623,348 km (0.102 R)
• M9: 2,991,658 km (0.116 R)
• M10: 3,479,347 km (0.107 R)
• M11: 3,925,598 km (0.11 R)
• M12: 4,409,696 km (0.075 R)
• M13: 4,840,389 km (0.1 R)
• M14: 5,137,789 km (0.064 R)
• M15: 5,997,079 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 830.4

Radius: 13.6

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.86 AU - 1.38 AU

Year: 790 Days

Day: 7.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 56,943,797 km

• M1: 169,345 km (0.078 R)
• M2: 704,905 km (0.102 R)
• M3: 1,402,630 km (0.086 R)
• M4: 1,881,044 km (0.067 R)
• M5: 2,491,553 km (0.086 R)
• M6: 2,936,905 km (0.079 R)
• M7: 3,662,754 km (0.113 R)
• M8: 5,359,793 km (0.071 R)
• M9: 6,620,155 km (0.083 R)
• M10: 7,297,235 km (0.083 R)
• M11: 8,220,553 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 621.5

Radius: 9.1

Gravity: 7.51 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.51 AU - 1.59 AU

Year: 1287 Days

Day: 8.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 56,943,797 km

• M1: 113,246 km (0.07 R)
• M2: 519,105 km (0.059 R)
• M3: 862,881 km (0.12 R)
• M4: 1,384,528 km (0.097 R)
• M5: 1,741,469 km (0.051 R)
• M6: 2,593,279 km (0.108 R)
• M7: 3,652,282 km (0.098 R)
• M8: 5,114,751 km (0.059 R)
• M9: 5,823,396 km (0.052 R)
• M10: 6,292,834 km (0.101 R)
• M11: 8,315,996 km (0.112 R)
• M12: 9,905,324 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831.2

Radius: 12.2

Gravity: 5.58 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 2.53 AU - 3.09 AU

Year: 3141 Days

Day: 5.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 56,943,797 km

• M1: 151,692 km (0.047 R)
• M2: 672,592 km (0.12 R)
• M3: 1,274,424 km (0.098 R)
• M4: 1,817,315 km (0.031 R)
• M5: 2,620,057 km (0.087 R)
• M6: 3,210,819 km (0.095 R)
• M7: 4,684,358 km (0.114 R)
• M8: 5,221,863 km (0.112 R)
• M9: 5,745,905 km (0.071 R)
• M10: 6,627,784 km (0.096 R)
• M11: 7,085,853 km (0.087 R)
• M12: 7,532,402 km (0.101 R)
• M13: 8,840,187 km (0.097 R)
• M14: 10,826,099 km (0.119 R)
• M15: 11,990,419 km (0.114 R)
• M16: 13,046,580 km (0.099 R)
• M17: 14,668,969 km (0.059 R)
• M18: 15,133,919 km (0.033 R)
• M19: 17,607,969 km (0.072 R)
• M20: 18,789,792 km (0.101 R)
• M21: 20,213,365 km (0.064 R)
• M22: 21,707,549 km (0.094 R)
• M23: 22,652,409 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 606.7

Radius: 8.4

Gravity: 8.6 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 2.97 AU - 3.17 AU

Year: 3587 Days

Day: 9.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 112.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 56,943,797 km

• M1: 104,569 km (0.094 R)
• M2: 428,299 km (0.115 R)
• M3: 704,456 km (0.074 R)
• M4: 1,122,134 km (0.102 R)
• M5: 1,843,046 km (0.109 R)
• M6: 2,491,104 km (0.066 R)
• M7: 2,944,535 km (0.093 R)
• M8: 3,413,973 km (0.034 R)
• M9: 4,880,032 km (0.045 R)
• M10: 5,202,116 km (0.116 R)
• M11: 5,671,554 km (0.112 R)
• M12: 6,000,071 km (0.087 R)
• M13: 7,737,501 km (0.097 R)
• M14: 9,252,927 km (0.086 R)
• M15: 10,219,928 km (0.102 R)
• M16: 11,467,425 km (0.058 R)
• M17: 12,172,928 km (0.059 R)
• M18: 13,047,777 km (0.087 R)
• M19: 13,718,723 km (0.035 R)
• M20: 14,870,776 km (0.036 R)
• M21: 15,816,384 km (0.077 R)
• M22: 17,595,552 km (0.118 R)
• M23: 19,876,919 km (0.089 R)
• M24: 21,349,711 km (0.119 R)
• M25: 22,348,576 km (0.059 R)
• M26: 22,756,678 km (0.069 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 221.2

Radius: 5.9

Gravity: 6.35 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 8.85 AU - 12.21 AU

Year: 22786 Days

Day: 22.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 56,943,797 km

• M1: 246,687 km (0.08 R)
• M2: 1,217,876 km (0.082 R)
• M3: 1,767,648 km (0.072 R)
• M4: 2,408,675 km (0.045 R)
• M5: 2,816,180 km (0.112 R)
• M6: 7,139,558 km (0.111 R)
• M7: 8,636,285 km (0.059 R)
• M8: 10,772,543 km (0.088 R)
• M9: 13,109,261 km (0.099 R)
• M10: 24,645,950 km (0.084 R)
• M11: 28,540,731 km (0.108 R)
• M12: 42,788,133 km (0.118 R)
• M13: 45,229,719 km (0.093 R)
• M14: 47,308,980 km (0.052 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 491 - 16,238 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit