🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 759

Radius: 9.5

Gravity: 8.41 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.62 AU - 0.62 AU

Year: 326 Days

Day: 10.8 Hours

Environment

Temp: -150 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 20,882,535 km

• M1: 118,182 km (0.064 R)
• M2: 436,676 km (0.086 R)
• M3: 796,758 km (0.071 R)
• M4: 1,142,778 km (0.104 R)
• M5: 1,493,286 km (0.06 R)
• M6: 2,235,291 km (0.111 R)
• M7: 2,752,601 km (0.082 R)
• M8: 3,066,457 km (0.103 R)
• M9: 3,553,099 km (0.079 R)
• M10: 4,392,792 km (0.092 R)
• M11: 4,709,939 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406.1

Radius: 9.1

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.8 AU - 1.32 AU

Year: 728 Days

Day: 10.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 20,882,535 km

• M1: 113,246 km (0.086 R)
• M2: 401,670 km (0.082 R)
• M3: 781,050 km (0.119 R)
• M4: 1,467,555 km (0.113 R)
• M5: 1,758,972 km (0.096 R)
• M6: 2,502,174 km (0.108 R)
• M7: 2,900,254 km (0.039 R)
• M8: 3,810,407 km (0.043 R)
• M9: 4,294,656 km (0.106 R)
• M10: 4,629,306 km (0.105 R)
• M11: 5,014,371 km (0.116 R)
• M12: 6,474,596 km (0.114 R)
• M13: 6,874,920 km (0.055 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 301.3

Radius: 9.7

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.18 AU - 1.54 AU

Year: 1058 Days

Day: 5.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 20,882,535 km

• M1: 120,725 km (0.116 R)
• M2: 422,614 km (0.087 R)
• M3: 759,209 km (0.076 R)
• M4: 1,155,045 km (0.096 R)
• M5: 1,584,690 km (0.048 R)
• M6: 2,157,800 km (0.05 R)
• M7: 2,690,966 km (0.072 R)
• M8: 3,106,101 km (0.085 R)
• M9: 3,730,672 km (0.072 R)
• M10: 4,035,702 km (0.114 R)
• M11: 4,614,346 km (0.066 R)
• M12: 4,949,595 km (0.115 R)
• M13: 5,802,004 km (0.057 R)
• M14: 6,436,448 km (0.118 R)
• M15: 7,116,371 km (0.073 R)
• M16: 7,519,387 km (0.086 R)
• M17: 7,914,027 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 323.5

Radius: 10

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.77 AU - 1.85 AU

Year: 1624 Days

Day: 9.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 20,882,535 km

• M1: 136,433 km (0.083 R)
• M2: 903,870 km (0.112 R)
• M3: 1,581,698 km (0.078 R)
• M4: 1,992,344 km (0.075 R)
• M5: 2,380,701 km (0.079 R)
• M6: 2,950,668 km (0.089 R)
• M7: 4,207,739 km (0.104 R)
• M8: 4,612,252 km (0.108 R)
• M9: 4,946,902 km (0.09 R)
• M10: 6,293,134 km (0.077 R)
• M11: 6,729,211 km (0.077 R)
• M12: 8,079,781 km (0.061 R)
• M13: 8,403,062 km (0.104 R)
• M14: 8,904,065 km (0.111 R)
• M15: 9,484,056 km (0.114 R)
• M16: 10,027,396 km (0.062 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.7

Radius: 14.7

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 2.18 AU - 2.28 AU

Year: 2221 Days

Day: 6 Hours

Environment

Temp: -197 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 20,882,535 km

• M1: 183,706 km (0.091 R)
• M2: 864,077 km (0.055 R)
• M3: 1,679,386 km (0.118 R)
• M4: 2,160,193 km (0.088 R)
• M5: 2,748,562 km (0.075 R)
• M6: 3,564,468 km (0.059 R)
• M7: 4,516,659 km (0.115 R)
• M8: 5,536,916 km (0.048 R)
• M9: 6,127,678 km (0.113 R)
• M10: 7,064,759 km (0.12 R)
• M11: 7,942,301 km (0.04 R)
• M12: 8,825,975 km (0.116 R)
• M13: 10,057,315 km (0.115 R)
• M14: 11,400,405 km (0.099 R)
• M15: 12,442,653 km (0.105 R)
• M16: 13,330,068 km (0.115 R)
• M17: 13,944,915 km (0.074 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204.6

Radius: 11.2

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 2.57 AU - 3.07 AU

Year: 3158 Days

Day: 14 Hours

Environment

Temp: -214 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 20,882,535 km

• M1: 139,425 km (0.08 R)
• M2: 826,079 km (0.079 R)
• M3: 1,393,055 km (0.029 R)
• M4: 2,508,906 km (0.046 R)
• M5: 2,893,971 km (0.112 R)
• M6: 3,447,483 km (0.025 R)
• M7: 4,275,507 km (0.107 R)
• M8: 4,808,375 km (0.112 R)
• M9: 5,385,224 km (0.1 R)
• M10: 6,885,242 km (0.084 R)
• M11: 7,675,568 km (0.102 R)
• M12: 8,078,135 km (0.085 R)
• M13: 10,135,854 km (0.111 R)
• M14: 10,550,839 km (0.081 R)
• M15: 11,267,861 km (0.097 R)
• M16: 14,814,378 km (0.092 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 527.7

Radius: 11.8

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 2.4 AU - 3.38 AU

Year: 3276 Days

Day: 5.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 20,882,535 km

• M1: 147,204 km (0.08 R)
• M2: 550,371 km (0.093 R)
• M3: 919,429 km (0.094 R)
• M4: 1,424,621 km (0.091 R)
• M5: 1,830,180 km (0.066 R)
• M6: 2,631,427 km (0.111 R)
• M7: 3,216,354 km (0.117 R)
• M8: 7,950,977 km (0.089 R)
• M9: 11,125,893 km (0.081 R)
• M10: 13,016,361 km (0.088 R)
• M11: 17,869,017 km (0.086 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 452 - 11,666 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit