🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.59 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 92.6

Radius: 8.3

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.11 AU - 1.23 AU

Year: 830 Days

Day: 14.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 27,974,426 km

• M1: 103,223 km (0.118 R)
• M2: 648,507 km (0.06 R)
• M3: 1,337,555 km (0.101 R)
• M4: 2,618,412 km (0.055 R)
• M5: 4,230,329 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329.7

Radius: 12

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.33 AU - 1.69 AU

Year: 1217 Days

Day: 12.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 109.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 27,974,426 km

• M1: 149,299 km (0.103 R)
• M2: 683,513 km (0.109 R)
• M3: 1,243,458 km (0.106 R)
• M4: 1,684,322 km (0.029 R)
• M5: 2,169,319 km (0.118 R)
• M6: 5,763,108 km (0.103 R)
• M7: 6,419,693 km (0.065 R)
• M8: 7,057,280 km (0.063 R)
• M9: 8,562,384 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 873.7

Radius: 8

Gravity: 13.65 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.54 AU - 2.26 AU

Year: 1718 Days

Day: 10.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 27,974,426 km

• M1: 99,782 km (0.03 R)
• M2: 386,561 km (0.043 R)
• M3: 838,197 km (0.095 R)
• M4: 1,183,768 km (0.074 R)
• M5: 1,684,173 km (0.098 R)
• M6: 2,599,562 km (0.104 R)
• M7: 3,118,966 km (0.087 R)
• M8: 4,794,612 km (0.1 R)
• M9: 6,158,496 km (0.061 R)
• M10: 6,413,111 km (0.105 R)
• M11: 7,531,206 km (0.07 R)
• M12: 9,630,064 km (0.083 R)
• M13: 11,016,686 km (0.08 R)
• M14: 13,530,230 km (0.057 R)
• M15: 15,779,434 km (0.045 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 282.3

Radius: 15

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 2.13 AU - 2.85 AU

Year: 2578 Days

Day: 7.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 27,974,426 km

• M1: 186,698 km (0.083 R)
• M2: 717,920 km (0.041 R)
• M3: 1,376,600 km (0.118 R)
• M4: 2,799,724 km (0.056 R)
• M5: 3,455,412 km (0.073 R)
• M6: 4,230,777 km (0.119 R)
• M7: 5,756,975 km (0.102 R)
• M8: 8,252,417 km (0.084 R)
• M9: 9,416,139 km (0.047 R)
• M10: 11,473,109 km (0.089 R)
• M11: 11,955,712 km (0.114 R)
• M12: 12,803,334 km (0.104 R)
• M13: 13,322,887 km (0.059 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 122.1

Radius: 14.5

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 2.63 AU - 2.89 AU

Year: 3008 Days

Day: 12.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 27,974,426 km

• M1: 180,415 km (0.035 R)
• M2: 1,716,785 km (0.098 R)
• M3: 2,605,696 km (0.069 R)
• M4: 4,802,241 km (0.072 R)
• M5: 5,521,358 km (0.069 R)
• M6: 9,470,144 km (0.099 R)
• M7: 11,861,615 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 525.2

Radius: 11.2

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 4.23 AU - 5.45 AU

Year: 6985 Days

Day: 12.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 27,974,426 km

• M1: 139,425 km (0.07 R)
• M2: 574,456 km (0.12 R)
• M3: 1,320,201 km (0.08 R)
• M4: 1,771,089 km (0.102 R)
• M5: 2,324,302 km (0.049 R)
• M6: 3,211,567 km (0.103 R)
• M7: 3,575,688 km (0.101 R)
• M8: 4,286,129 km (0.1 R)
• M9: 4,702,310 km (0.078 R)
• M10: 5,555,766 km (0.104 R)
• M11: 6,115,711 km (0.104 R)
• M12: 6,816,277 km (0.113 R)
• M13: 7,168,132 km (0.111 R)
• M14: 7,794,498 km (0.09 R)
• M15: 11,195,605 km (0.047 R)
• M16: 11,637,218 km (0.117 R)
• M17: 12,660,169 km (0.101 R)
• M18: 14,826,047 km (0.082 R)
• M19: 15,966,132 km (0.072 R)
• M20: 17,034,859 km (0.103 R)
• M21: 17,685,460 km (0.044 R)
• M22: 18,083,690 km (0.099 R)
• M23: 19,384,443 km (0.118 R)
• M24: 21,488,837 km (0.102 R)
• M25: 22,557,414 km (0.061 R)
• M26: 25,215,918 km (0.058 R)
• M27: 27,100,103 km (0.093 R)
• M28: 31,631,273 km (0.065 R)
• M29: 33,820,638 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 62.5

Radius: 4.2

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 6.11 AU - 9.83 AU

Year: 14760 Days

Day: 24.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 27,974,426 km

• M1: 52,210 km (0.097 R)
• M2: 215,122 km (0.095 R)
• M3: 428,598 km (0.099 R)
• M4: 1,280,408 km (0.052 R)
• M5: 1,489,696 km (0.059 R)
• M6: 1,934,749 km (0.044 R)
• M7: 2,076,867 km (0.118 R)
• M8: 2,226,166 km (0.105 R)
• M9: 2,717,296 km (0.111 R)
• M10: 3,317,183 km (0.097 R)
• M11: 3,669,636 km (0.102 R)
• M12: 5,332,865 km (0.034 R)
• M13: 9,670,605 km (0.095 R)
• M14: 10,692,807 km (0.079 R)
• M15: 14,946,323 km (0.105 R)
• M16: 15,788,110 km (0.065 R)
• M17: 18,312,575 km (0.037 R)
• M18: 19,802,869 km (0.105 R)
• M19: 22,223,063 km (0.113 R)
• M20: 22,729,751 km (0.089 R)
• M21: 23,615,969 km (0.069 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 224 - 11,818 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit