🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 51.6

Radius: 8.7

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.73 AU - 0.81 AU

Year: 466 Days

Day: 12 Hours

Environment

Temp: -161 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 19,693,395 km

• M1: 109,506 km (0.081 R)
• M2: 388,057 km (0.034 R)
• M3: 776,712 km (0.105 R)
• M4: 1,216,530 km (0.071 R)
• M5: 1,735,784 km (0.064 R)
• M6: 2,130,872 km (0.065 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 902.4

Radius: 10.6

Gravity: 8.03 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.1 AU - 1.36 AU

Year: 942 Days

Day: 8.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 19,693,395 km

• M1: 131,796 km (0.116 R)
• M2: 503,995 km (0.049 R)
• M3: 1,016,218 km (0.086 R)
• M4: 1,668,764 km (0.104 R)
• M5: 2,028,697 km (0.071 R)
• M6: 2,429,320 km (0.105 R)
• M7: 3,178,656 km (0.116 R)
• M8: 3,600,222 km (0.066 R)
• M9: 4,242,895 km (0.095 R)
• M10: 5,074,958 km (0.12 R)
• M11: 5,673,948 km (0.064 R)
• M12: 6,274,883 km (0.104 R)
• M13: 6,637,059 km (0.079 R)
• M14: 7,133,574 km (0.092 R)
• M15: 8,121,668 km (0.108 R)
• M16: 8,970,188 km (0.108 R)
• M17: 9,786,394 km (0.07 R)
• M18: 10,811,139 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 718.5

Radius: 14

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 1.47 AU - 2.27 AU

Year: 1765 Days

Day: 14.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 19,693,395 km

• M1: 174,581 km (0.08 R)
• M2: 625,469 km (0.116 R)
• M3: 1,195,586 km (0.08 R)
• M4: 1,870,721 km (0.096 R)
• M5: 2,366,489 km (0.08 R)
• M6: 2,863,453 km (0.032 R)
• M7: 3,613,088 km (0.068 R)
• M8: 4,510,077 km (0.056 R)
• M9: 5,151,253 km (0.058 R)
• M10: 6,565,851 km (0.091 R)
• M11: 7,064,011 km (0.084 R)
• M12: 7,559,180 km (0.099 R)
• M13: 8,774,663 km (0.119 R)
• M14: 9,643,677 km (0.115 R)
• M15: 10,534,084 km (0.08 R)
• M16: 11,780,384 km (0.118 R)
• M17: 12,959,963 km (0.075 R)
• M18: 13,536,663 km (0.065 R)
• M19: 14,521,316 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 847

Radius: 11.1

Gravity: 6.87 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.86 AU - 2.68 AU

Year: 2361 Days

Day: 14.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 19,693,395 km

• M1: 138,079 km (0.069 R)
• M2: 561,890 km (0.095 R)
• M3: 1,102,686 km (0.093 R)
• M4: 1,823,000 km (0.062 R)
• M5: 2,504,717 km (0.08 R)
• M6: 3,296,838 km (0.061 R)
• M7: 3,713,917 km (0.077 R)
• M8: 4,248,430 km (0.082 R)
• M9: 4,788,628 km (0.093 R)
• M10: 5,472,290 km (0.108 R)
• M11: 5,824,892 km (0.086 R)
• M12: 6,975,599 km (0.081 R)
• M13: 7,421,401 km (0.075 R)
• M14: 8,174,327 km (0.119 R)
• M15: 10,976,145 km (0.091 R)
• M16: 11,745,228 km (0.028 R)
• M17: 13,848,125 km (0.029 R)
• M18: 16,553,453 km (0.086 R)
• M19: 17,027,529 km (0.097 R)
• M20: 17,510,580 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 629.8

Radius: 10.4

Gravity: 5.82 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 3.12 AU - 3.92 AU

Year: 4559 Days

Day: 8.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 19,693,395 km

• M1: 130,898 km (0.088 R)
• M2: 490,531 km (0.037 R)
• M3: 1,454,540 km (0.099 R)
• M4: 2,121,747 km (0.063 R)
• M5: 2,616,616 km (0.105 R)
• M6: 3,283,524 km (0.109 R)
• M7: 3,795,747 km (0.066 R)
• M8: 4,651,297 km (0.092 R)
• M9: 6,214,146 km (0.118 R)
• M10: 7,032,895 km (0.116 R)
• M11: 7,710,274 km (0.11 R)
• M12: 11,354,478 km (0.047 R)
• M13: 11,721,592 km (0.115 R)
• M14: 12,143,906 km (0.091 R)
• M15: 12,673,782 km (0.036 R)
• M16: 15,954,613 km (0.08 R)
• M17: 17,545,885 km (0.112 R)
• M18: 18,037,015 km (0.072 R)
• M19: 21,179,019 km (0.071 R)
• M20: 22,879,199 km (0.071 R)
• M21: 23,986,971 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 57.7

Radius: 13.2

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 3.06 AU - 5.06 AU

Year: 5647 Days

Day: 12.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 19,693,395 km

• M1: 168,298 km (0.057 R)
• M2: 591,061 km (0.117 R)
• M3: 1,120,937 km (0.118 R)
• M4: 1,773,034 km (0.091 R)
• M5: 2,563,958 km (0.071 R)
• M6: 3,797,692 km (0.1 R)
• M7: 4,413,137 km (0.06 R)
• M8: 4,825,878 km (0.108 R)
• M9: 5,684,569 km (0.093 R)
• M10: 12,485,139 km (0.09 R)
• M11: 12,995,717 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 70.1

Radius: 11.4

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 4.38 AU - 6.06 AU

Year: 8232 Days

Day: 13.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 19,693,395 km

• M1: 218,862 km (0.075 R)
• M2: 770,429 km (0.111 R)
• M3: 2,498,733 km (0.071 R)
• M4: 5,030,528 km (0.118 R)
• M5: 8,096,686 km (0.107 R)
• M6: 10,609,481 km (0.031 R)
• M7: 11,361,659 km (0.112 R)
• M8: 11,812,996 km (0.117 R)
• M9: 13,194,981 km (0.106 R)
• M10: 14,252,788 km (0.114 R)
• M11: 16,020,885 km (0.025 R)
• M12: 18,769,895 km (0.073 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 492 - 13,323 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit