🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 461.9

Radius: 9.3

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.49 AU - 0.53 AU

Year: 247 Days

Day: 11.3 Hours

Environment

Temp: -143 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 35,207,099 km

• M1: 115,789 km (0.113 R)
• M2: 429,944 km (0.053 R)
• M3: 1,089,521 km (0.043 R)
• M4: 1,696,589 km (0.107 R)
• M5: 2,450,413 km (0.083 R)
• M6: 2,758,286 km (0.097 R)
• M7: 3,263,926 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839

Radius: 10.6

Gravity: 7.47 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.25 AU - 1.37 AU

Year: 1017 Days

Day: 11.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 35,207,099 km

• M1: 132,843 km (0.112 R)
• M2: 535,860 km (0.08 R)
• M3: 1,022,053 km (0.067 R)
• M4: 1,368,222 km (0.029 R)
• M5: 1,832,125 km (0.114 R)
• M6: 2,353,773 km (0.078 R)
• M7: 2,801,819 km (0.071 R)
• M8: 3,136,170 km (0.065 R)
• M9: 3,822,525 km (0.065 R)
• M10: 5,575,812 km (0.076 R)
• M11: 6,264,560 km (0.119 R)
• M12: 6,984,874 km (0.05 R)
• M13: 7,630,838 km (0.099 R)
• M14: 8,101,024 km (0.042 R)
• M15: 8,786,033 km (0.056 R)
• M16: 9,186,356 km (0.111 R)
• M17: 9,748,994 km (0.113 R)
• M18: 10,524,210 km (0.06 R)
• M19: 11,140,404 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 136

Radius: 9.2

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 1.09 AU - 1.77 AU

Year: 1160 Days

Day: 6.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 35,207,099 km

• M1: 114,592 km (0.033 R)
• M2: 551,867 km (0.105 R)
• M3: 1,087,427 km (0.115 R)
• M4: 1,416,243 km (0.066 R)
• M5: 2,196,845 km (0.098 R)
• M6: 2,483,474 km (0.072 R)
• M7: 2,994,949 km (0.037 R)
• M8: 3,946,990 km (0.028 R)
• M9: 4,257,107 km (0.119 R)
• M10: 5,137,789 km (0.054 R)
• M11: 5,842,994 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 357

Radius: 13.7

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.32 AU - 1.6 AU

Year: 1197 Days

Day: 14 Hours

Environment

Temp: -182 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 35,207,099 km

• M1: 170,392 km (0.103 R)
• M2: 632,350 km (0.073 R)
• M3: 1,239,119 km (0.083 R)
• M4: 1,909,467 km (0.11 R)
• M5: 2,569,792 km (0.055 R)
• M6: 3,126,147 km (0.108 R)
• M7: 3,574,192 km (0.115 R)
• M8: 4,319,788 km (0.075 R)
• M9: 5,601,393 km (0.071 R)
• M10: 6,081,004 km (0.058 R)
• M11: 7,832,795 km (0.056 R)
• M12: 8,511,520 km (0.071 R)
• M13: 9,174,688 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 494.8

Radius: 13.3

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.58 AU - 1.84 AU

Year: 1517 Days

Day: 11.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 35,207,099 km

• M1: 165,455 km (0.087 R)
• M2: 610,958 km (0.101 R)
• M3: 1,027,737 km (0.079 R)
• M4: 1,558,959 km (0.107 R)
• M5: 2,544,061 km (0.118 R)
• M6: 3,125,249 km (0.076 R)
• M7: 3,650,038 km (0.083 R)
• M8: 5,803,649 km (0.108 R)
• M9: 7,291,400 km (0.057 R)
• M10: 8,844,675 km (0.091 R)
• M11: 10,315,521 km (0.118 R)
• M12: 11,245,870 km (0.054 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 848.2

Radius: 11.4

Gravity: 6.53 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 2.81 AU - 4.65 AU

Year: 4886 Days

Day: 13.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 35,207,099 km

• M1: 141,819 km (0.081 R)
• M2: 802,892 km (0.074 R)
• M3: 1,203,066 km (0.099 R)
• M4: 1,662,332 km (0.102 R)
• M5: 2,686,927 km (0.096 R)
• M6: 3,057,930 km (0.113 R)
• M7: 4,534,611 km (0.103 R)
• M8: 5,546,790 km (0.07 R)
• M9: 6,376,310 km (0.058 R)
• M10: 6,939,696 km (0.086 R)
• M11: 7,977,456 km (0.116 R)
• M12: 9,156,886 km (0.057 R)
• M13: 10,404,083 km (0.12 R)
• M14: 10,813,383 km (0.119 R)
• M15: 11,615,676 km (0.077 R)
• M16: 12,508,177 km (0.112 R)
• M17: 13,931,601 km (0.09 R)
• M18: 16,539,989 km (0.079 R)
• M19: 17,862,135 km (0.099 R)
• M20: 19,050,391 km (0.058 R)
• M21: 21,510,827 km (0.108 R)
• M22: 22,703,272 km (0.106 R)
• M23: 23,315,726 km (0.038 R)
• M24: 23,860,711 km (0.08 R)
• M25: 29,787,180 km (0.113 R)
• M26: 30,986,357 km (0.079 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.5

Radius: 12.3

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 4.25 AU - 5.65 AU

Year: 7470 Days

Day: 8.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 35,207,099 km

• M1: 153,188 km (0.079 R)
• M2: 631,453 km (0.063 R)
• M3: 1,025,643 km (0.095 R)
• M4: 1,447,359 km (0.065 R)
• M5: 1,928,616 km (0.067 R)
• M6: 2,901,301 km (0.1 R)
• M7: 4,456,371 km (0.102 R)
• M8: 4,969,043 km (0.069 R)
• M9: 5,921,682 km (0.112 R)
• M10: 6,441,834 km (0.075 R)
• M11: 6,921,893 km (0.08 R)
• M12: 7,462,690 km (0.114 R)
• M13: 8,031,610 km (0.059 R)
• M14: 9,170,948 km (0.068 R)
• M15: 10,185,221 km (0.083 R)
• M16: 11,126,491 km (0.066 R)
• M17: 11,819,429 km (0.115 R)
• M18: 12,383,861 km (0.12 R)
• M19: 15,060,018 km (0.053 R)
• M20: 16,218,803 km (0.059 R)
• M21: 16,852,051 km (0.103 R)
• M22: 18,303,299 km (0.06 R)
• M23: 19,410,025 km (0.074 R)
• M24: 20,196,461 km (0.071 R)
• M25: 26,394,899 km (0.118 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 339 - 18,760 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit