🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 875.8

Radius: 13.2

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.49 AU - 0.67 AU

Year: 310 Days

Day: 6 Hours

Environment

Temp: -155 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 38,815,510 km

• M1: 164,258 km (0.059 R)
• M2: 614,548 km (0.087 R)
• M3: 1,037,910 km (0.115 R)
• M4: 1,680,732 km (0.078 R)
• M5: 2,172,011 km (0.084 R)
• M6: 2,607,790 km (0.095 R)
• M7: 3,339,623 km (0.038 R)
• M8: 3,803,077 km (0.056 R)
• M9: 4,217,762 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 652.5

Radius: 14.6

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.83 AU - 0.87 AU

Year: 551 Days

Day: 14.8 Hours

Environment

Temp: -166 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 38,815,510 km

• M1: 181,612 km (0.111 R)
• M2: 1,154,297 km (0.058 R)
• M3: 2,092,425 km (0.097 R)
• M4: 2,580,563 km (0.08 R)
• M5: 3,133,776 km (0.063 R)
• M6: 4,135,035 km (0.104 R)
• M7: 5,042,944 km (0.083 R)
• M8: 6,808,049 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 568.8

Radius: 14.4

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.78 AU - 1.16 AU

Year: 672 Days

Day: 11.3 Hours

Environment

Temp: -167 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 38,815,510 km

• M1: 179,218 km (0.116 R)
• M2: 886,218 km (0.096 R)
• M3: 1,510,191 km (0.109 R)
• M4: 1,995,486 km (0.11 R)
• M5: 2,596,720 km (0.114 R)
• M6: 3,393,179 km (0.095 R)
• M7: 3,954,470 km (0.081 R)
• M8: 4,687,649 km (0.103 R)
• M9: 5,248,492 km (0.053 R)
• M10: 6,231,948 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 578.2

Radius: 14

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.23 AU - 1.85 AU

Year: 1343 Days

Day: 8.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 38,815,510 km

• M1: 174,132 km (0.1 R)
• M2: 873,951 km (0.044 R)
• M3: 1,452,745 km (0.057 R)
• M4: 2,434,855 km (0.054 R)
• M5: 2,977,895 km (0.117 R)
• M6: 3,540,084 km (0.109 R)
• M7: 4,880,032 km (0.117 R)
• M8: 5,436,237 km (0.06 R)
• M9: 6,965,726 km (0.116 R)
• M10: 8,207,238 km (0.061 R)
• M11: 8,909,900 km (0.114 R)
• M12: 11,126,192 km (0.091 R)
• M13: 11,881,960 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.5

Radius: 12.5

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 3.47 AU - 4.59 AU

Year: 5687 Days

Day: 14.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 38,815,510 km

• M1: 156,031 km (0.114 R)
• M2: 610,659 km (0.1 R)
• M3: 1,360,892 km (0.119 R)
• M4: 1,834,818 km (0.096 R)
• M5: 2,244,267 km (0.053 R)
• M6: 2,764,269 km (0.095 R)
• M7: 3,289,208 km (0.059 R)
• M8: 4,948,698 km (0.115 R)
• M9: 5,700,128 km (0.115 R)
• M10: 6,319,762 km (0.112 R)
• M11: 7,204,933 km (0.038 R)
• M12: 7,828,606 km (0.027 R)
• M13: 10,197,788 km (0.096 R)
• M14: 10,857,963 km (0.117 R)
• M15: 12,680,065 km (0.117 R)
• M16: 13,639,436 km (0.041 R)
• M17: 14,136,999 km (0.096 R)
• M18: 14,595,067 km (0.075 R)
• M19: 18,685,821 km (0.12 R)
• M20: 19,612,131 km (0.117 R)
• M21: 20,182,398 km (0.068 R)
• M22: 22,163,972 km (0.09 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 334

Radius: 4.2

Gravity: 18.93 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 4.84 AU - 7.2 AU

Year: 10383 Days

Day: 15.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 38,815,510 km

• M1: 58,044 km (0.107 R)
• M2: 252,222 km (0.089 R)
• M3: 763,099 km (0.059 R)
• M4: 1,415,345 km (0.108 R)
• M5: 2,040,964 km (0.093 R)
• M6: 2,326,247 km (0.098 R)
• M7: 2,695,305 km (0.102 R)
• M8: 2,996,894 km (0.113 R)
• M9: 4,012,065 km (0.098 R)
• M10: 4,192,331 km (0.111 R)
• M11: 6,237,184 km (0.097 R)
• M12: 7,550,653 km (0.083 R)
• M13: 11,723,088 km (0.113 R)
• M14: 13,416,535 km (0.084 R)
• M15: 14,172,753 km (0.108 R)
• M16: 15,266,313 km (0.117 R)
• M17: 16,876,734 km (0.09 R)
• M18: 17,279,452 km (0.057 R)
• M19: 20,355,034 km (0.113 R)
• M20: 22,061,048 km (0.1 R)
• M21: 23,277,578 km (0.098 R)
• M22: 23,609,386 km (0.108 R)
• M23: 24,367,399 km (0.096 R)
• M24: 25,315,700 km (0.045 R)
• M25: 25,578,543 km (0.044 R)
• M26: 26,377,994 km (0.07 R)
• M27: 33,804,930 km (0.05 R)
• M28: 37,083,218 km (0.074 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 125.1

Radius: 7.5

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 6.75 AU - 10.01 AU

Year: 17052 Days

Day: 16.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 38,815,510 km

• M1: 131,945 km (0.114 R)
• M2: 426,803 km (0.078 R)
• M3: 838,646 km (0.061 R)
• M4: 1,087,427 km (0.069 R)
• M5: 3,236,849 km (0.065 R)
• M6: 4,217,014 km (0.103 R)
• M7: 6,748,809 km (0.087 R)
• M8: 10,435,648 km (0.116 R)
• M9: 12,055,195 km (0.113 R)
• M10: 16,363,913 km (0.096 R)
• M11: 18,469,054 km (0.069 R)
• M12: 19,330,139 km (0.114 R)
• M13: 22,880,546 km (0.106 R)
• M14: 36,204,629 km (0.098 R)
• M15: 38,699,473 km (0.118 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 419 - 19,441 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit