🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 671.3

Radius: 12.5

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.65 AU - 0.71 AU

Year: 362 Days

Day: 10.9 Hours

Environment

Temp: -137 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 30,129,240 km

• M1: 155,881 km (0.076 R)
• M2: 586,124 km (0.098 R)
• M3: 987,346 km (0.107 R)
• M4: 1,511,986 km (0.12 R)
• M5: 1,911,711 km (0.067 R)
• M6: 3,484,284 km (0.106 R)
• M7: 4,066,220 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.3

Radius: 10.3

Gravity: 9.15 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.67 AU - 0.71 AU

Year: 370 Days

Day: 13.4 Hours

Environment

Temp: -127 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 30,129,240 km

• M1: 128,056 km (0.063 R)
• M2: 522,545 km (0.087 R)
• M3: 885,919 km (0.083 R)
• M4: 1,275,471 km (0.062 R)
• M5: 1,618,948 km (0.028 R)
• M6: 1,943,276 km (0.116 R)
• M7: 2,275,384 km (0.085 R)
• M8: 2,747,066 km (0.11 R)
• M9: 3,100,865 km (0.037 R)
• M10: 3,810,258 km (0.109 R)
• M11: 4,392,792 km (0.088 R)
• M12: 4,894,543 km (0.088 R)
• M13: 5,650,910 km (0.115 R)

Asteroid Belt

Center: 1.09 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 415.9

Radius: 11.3

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.24 AU - 1.72 AU

Year: 1163 Days

Day: 14.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 30,129,240 km

• M1: 146,606 km (0.117 R)
• M2: 688,449 km (0.109 R)
• M3: 1,434,344 km (0.113 R)
• M4: 2,167,823 km (0.049 R)
• M5: 2,603,153 km (0.069 R)
• M6: 2,955,007 km (0.084 R)
• M7: 3,366,700 km (0.12 R)
• M8: 3,970,028 km (0.041 R)
• M9: 4,696,625 km (0.11 R)
• M10: 5,470,944 km (0.079 R)
• M11: 5,971,049 km (0.092 R)
• M12: 6,523,215 km (0.1 R)
• M13: 7,062,964 km (0.095 R)
• M14: 8,079,183 km (0.075 R)
• M15: 8,596,193 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 237.1

Radius: 14.1

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.21 AU - 1.95 AU

Year: 1282 Days

Day: 12.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 30,129,240 km

• M1: 175,329 km (0.12 R)
• M2: 1,114,055 km (0.118 R)
• M3: 1,592,918 km (0.088 R)
• M4: 2,342,104 km (0.07 R)
• M5: 2,941,244 km (0.11 R)
• M6: 4,814,359 km (0.064 R)
• M7: 5,582,095 km (0.086 R)
• M8: 6,025,353 km (0.046 R)
• M9: 7,182,493 km (0.098 R)
• M10: 8,065,270 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 729.2

Radius: 14.1

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 2.49 AU - 3.2 AU

Year: 3090 Days

Day: 7.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 30,129,240 km

• M1: 175,478 km (0.111 R)
• M2: 786,735 km (0.072 R)
• M3: 1,481,917 km (0.1 R)
• M4: 2,364,095 km (0.09 R)
• M5: 2,933,165 km (0.115 R)
• M6: 3,423,996 km (0.07 R)
• M7: 4,417,027 km (0.078 R)
• M8: 4,897,984 km (0.114 R)
• M9: 5,966,561 km (0.069 R)
• M10: 6,702,583 km (0.115 R)
• M11: 8,845,273 km (0.092 R)
• M12: 9,880,191 km (0.049 R)
• M13: 10,546,949 km (0.062 R)
• M14: 11,327,700 km (0.047 R)
• M15: 12,279,292 km (0.08 R)
• M16: 13,950,899 km (0.063 R)
• M17: 14,690,511 km (0.084 R)
• M18: 18,669,365 km (0.068 R)
• M19: 19,935,412 km (0.115 R)
• M20: 20,747,429 km (0.028 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 642.4

Radius: 8.6

Gravity: 8.69 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 3.91 AU - 4.07 AU

Year: 5146 Days

Day: 13.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 30,129,240 km

• M1: 110,104 km (0.101 R)
• M2: 458,069 km (0.081 R)
• M3: 893,548 km (0.081 R)
• M4: 1,205,609 km (0.1 R)
• M5: 1,484,460 km (0.108 R)
• M6: 1,901,539 km (0.102 R)
• M7: 2,191,310 km (0.117 R)
• M8: 2,716,997 km (0.109 R)
• M9: 4,678,524 km (0.106 R)
• M10: 5,020,654 km (0.111 R)
• M11: 5,608,574 km (0.114 R)
• M12: 6,559,418 km (0.109 R)
• M13: 7,296,786 km (0.089 R)
• M14: 7,866,903 km (0.051 R)
• M15: 12,571,008 km (0.112 R)
• M16: 13,495,224 km (0.08 R)
• M17: 13,813,119 km (0.034 R)
• M18: 14,081,797 km (0.113 R)
• M19: 15,593,932 km (0.089 R)
• M20: 15,885,349 km (0.072 R)
• M21: 16,781,740 km (0.108 R)
• M22: 17,460,166 km (0.092 R)
• M23: 19,269,552 km (0.114 R)
• M24: 22,656,448 km (0.04 R)
• M25: 23,484,921 km (0.038 R)
• M26: 26,420,480 km (0.097 R)
• M27: 28,536,991 km (0.097 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 377 - 19,951 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit