🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 974.9

Radius: 12.8

Gravity: 5.95 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.75 AU - 0.75 AU

Year: 419 Days

Day: 5.5 Hours

Environment

Temp: -142 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 55,011,744 km

• M1: 159,172 km (0.084 R)
• M2: 707,448 km (0.08 R)
• M3: 1,164,470 km (0.097 R)
• M4: 1,572,124 km (0.075 R)
• M5: 1,976,188 km (0.12 R)
• M6: 2,946,180 km (0.09 R)
• M7: 3,583,617 km (0.08 R)
• M8: 4,680,469 km (0.098 R)
• M9: 6,098,357 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 457.5

Radius: 8.8

Gravity: 5.91 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.88 AU - 1.26 AU

Year: 715 Days

Day: 12.5 Hours

Environment

Temp: -153 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 55,011,744 km

• M1: 109,954 km (0.105 R)
• M2: 419,323 km (0.086 R)
• M3: 756,965 km (0.095 R)
• M4: 1,080,097 km (0.11 R)
• M5: 1,460,374 km (0.096 R)
• M6: 2,060,860 km (0.093 R)
• M7: 2,828,597 km (0.076 R)
• M8: 3,353,535 km (0.118 R)
• M9: 3,913,929 km (0.046 R)
• M10: 4,202,055 km (0.103 R)
• M11: 4,535,359 km (0.041 R)
• M12: 4,902,621 km (0.102 R)
• M13: 5,220,966 km (0.097 R)
• M14: 6,144,433 km (0.095 R)
• M15: 6,635,114 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 807.9

Radius: 11.7

Gravity: 5.9 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.15 AU - 1.65 AU

Year: 1070 Days

Day: 11.5 Hours

Environment

Temp: -171 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 55,011,744 km

• M1: 145,559 km (0.053 R)
• M2: 557,701 km (0.12 R)
• M3: 927,656 km (0.072 R)
• M4: 1,330,075 km (0.09 R)
• M5: 1,702,274 km (0.05 R)
• M6: 2,209,860 km (0.088 R)
• M7: 2,677,503 km (0.043 R)
• M8: 3,084,858 km (0.064 R)
• M9: 3,594,837 km (0.119 R)
• M10: 4,420,767 km (0.091 R)
• M11: 4,803,737 km (0.059 R)
• M12: 5,595,110 km (0.119 R)
• M13: 6,289,094 km (0.076 R)
• M14: 7,563,968 km (0.119 R)
• M15: 8,141,116 km (0.106 R)
• M16: 8,606,964 km (0.06 R)
• M17: 8,975,274 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 815.8

Radius: 14.5

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.48 AU - 1.74 AU

Year: 1319 Days

Day: 12 Hours

Environment

Temp: -185 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 55,011,744 km

• M1: 180,265 km (0.074 R)
• M2: 1,191,248 km (0.116 R)
• M3: 2,168,720 km (0.065 R)
• M4: 2,766,663 km (0.096 R)
• M5: 3,274,997 km (0.087 R)
• M6: 3,746,379 km (0.049 R)
• M7: 4,827,822 km (0.094 R)
• M8: 5,746,503 km (0.046 R)
• M9: 6,295,078 km (0.099 R)
• M10: 6,954,057 km (0.046 R)
• M11: 9,059,497 km (0.072 R)
• M12: 9,646,370 km (0.108 R)
• M13: 10,127,626 km (0.084 R)
• M14: 11,069,046 km (0.078 R)
• M15: 12,104,861 km (0.039 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 624.5

Radius: 13.2

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 2.25 AU - 2.77 AU

Year: 2568 Days

Day: 7.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 55,011,744 km

• M1: 164,408 km (0.111 R)
• M2: 585,975 km (0.1 R)
• M3: 1,099,245 km (0.057 R)
• M4: 1,793,230 km (0.108 R)
• M5: 2,706,375 km (0.11 R)
• M6: 3,294,594 km (0.093 R)
• M7: 3,814,297 km (0.104 R)
• M8: 4,409,397 km (0.079 R)
• M9: 5,299,056 km (0.088 R)
• M10: 7,169,029 km (0.106 R)
• M11: 8,463,948 km (0.12 R)
• M12: 13,064,831 km (0.04 R)
• M13: 14,143,132 km (0.1 R)
• M14: 14,798,969 km (0.055 R)
• M15: 15,672,023 km (0.115 R)
• M16: 17,734,977 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 515.6

Radius: 12.5

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 2.85 AU - 4.57 AU

Year: 4614 Days

Day: 9.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 55,011,744 km

• M1: 157,227 km (0.057 R)
• M2: 615,595 km (0.074 R)
• M3: 1,787,096 km (0.111 R)
• M4: 4,484,645 km (0.103 R)
• M5: 5,336,605 km (0.065 R)
• M6: 6,781,870 km (0.061 R)
• M7: 8,079,332 km (0.107 R)
• M8: 9,855,209 km (0.118 R)
• M9: 10,685,028 km (0.097 R)
• M10: 11,605,952 km (0.065 R)
• M11: 12,915,083 km (0.111 R)
• M12: 15,168,027 km (0.099 R)
• M13: 20,571,652 km (0.087 R)
• M14: 21,039,145 km (0.116 R)
• M15: 24,513,107 km (0.04 R)
• M16: 25,802,790 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 867.9

Radius: 5.4

Gravity: 29.76 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 5.4 AU - 7.78 AU

Year: 10923 Days

Day: 23.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 55,011,744 km

• M1: 67,169 km (0.103 R)
• M2: 341,831 km (0.107 R)
• M3: 520,002 km (0.075 R)
• M4: 826,678 km (0.065 R)
• M5: 1,066,633 km (0.051 R)
• M6: 2,226,764 km (0.097 R)
• M7: 2,738,987 km (0.1 R)
• M8: 2,941,543 km (0.103 R)
• M9: 3,326,458 km (0.109 R)
• M10: 4,876,292 km (0.049 R)
• M11: 5,141,080 km (0.096 R)
• M12: 5,311,323 km (0.08 R)
• M13: 5,485,305 km (0.05 R)
• M14: 5,808,137 km (0.079 R)
• M15: 6,030,290 km (0.088 R)
• M16: 7,528,513 km (0.097 R)
• M17: 11,180,346 km (0.117 R)
• M18: 12,114,136 km (0.115 R)
• M19: 12,972,828 km (0.088 R)
• M20: 13,352,956 km (0.12 R)
• M21: 14,403,133 km (0.099 R)
• M22: 15,720,343 km (0.11 R)
• M23: 16,444,845 km (0.1 R)
• M24: 17,115,792 km (0.105 R)
• M25: 17,727,348 km (0.086 R)
• M26: 18,591,874 km (0.093 R)
• M27: 18,913,210 km (0.065 R)
• M28: 22,512,984 km (0.107 R)
• M29: 27,883,547 km (0.099 R)
• M30: 30,695,538 km (0.111 R)
• M31: 32,516,892 km (0.064 R)
• M32: 33,218,058 km (0.093 R)
• M33: 33,929,246 km (0.114 R)
• M34: 36,373,226 km (0.075 R)
• M35: 43,835,916 km (0.079 R)
• M36: 51,464,659 km (0.096 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 303 - 14,102 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit