🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 732.9

Radius: 14.1

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.44 AU - 0.64 AU

Year: 274 Days

Day: 5.8 Hours

Environment

Temp: -150 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 59,979,437 km

• M1: 179,966 km (0.082 R)
• M2: 657,483 km (0.04 R)
• M3: 1,532,780 km (0.09 R)
• M4: 2,424,383 km (0.042 R)
• M5: 2,944,984 km (0.102 R)
• M6: 3,410,831 km (0.073 R)
• M7: 4,129,500 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 353.3

Radius: 12.1

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.7 AU - 0.8 AU

Year: 448 Days

Day: 13.2 Hours

Environment

Temp: -162 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 59,979,437 km

• M1: 150,495 km (0.117 R)
• M2: 561,890 km (0.075 R)
• M3: 967,150 km (0.044 R)
• M4: 1,371,214 km (0.109 R)
• M5: 1,797,568 km (0.074 R)
• M6: 2,424,383 km (0.06 R)
• M7: 3,057,780 km (0.098 R)
• M8: 4,180,812 km (0.096 R)
• M9: 4,561,239 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 14.4

Radius: 13.5

Gravity: 0.08 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.46 AU - 1.6 AU

Year: 1306 Days

Day: 13.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 59,979,437 km

• M1: 173,683 km (0.094 R)
• M2: 689,197 km (0.077 R)
• M3: 1,474,736 km (0.093 R)
• M4: 3,290,704 km (0.039 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 440.7

Radius: 9.7

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 2.21 AU - 2.69 AU

Year: 2647 Days

Day: 8.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 59,979,437 km

• M1: 121,174 km (0.064 R)
• M2: 476,768 km (0.063 R)
• M3: 1,072,318 km (0.117 R)
• M4: 1,402,630 km (0.046 R)
• M5: 1,856,958 km (0.119 R)
• M6: 2,162,587 km (0.108 R)
• M7: 2,656,709 km (0.032 R)
• M8: 3,340,820 km (0.117 R)
• M9: 4,060,685 km (0.088 R)
• M10: 4,837,098 km (0.104 R)
• M11: 7,615,130 km (0.118 R)
• M12: 9,155,838 km (0.1 R)
• M13: 11,351,786 km (0.043 R)
• M14: 11,901,558 km (0.107 R)
• M15: 12,759,202 km (0.091 R)
• M16: 15,247,763 km (0.105 R)
• M17: 16,014,302 km (0.098 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 536.1

Radius: 4.1

Gravity: 31.89 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 6.04 AU - 8.3 AU

Year: 13252 Days

Day: 24.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 59,979,437 km

• M1: 51,312 km (0.025 R)
• M2: 230,680 km (0.044 R)
• M3: 388,057 km (0.102 R)
• M4: 565,480 km (0.06 R)
• M5: 1,134,251 km (0.092 R)
• M6: 2,353,474 km (0.037 R)
• M7: 3,747,427 km (0.07 R)
• M8: 5,976,136 km (0.104 R)
• M9: 7,239,041 km (0.081 R)
• M10: 7,408,535 km (0.05 R)
• M11: 7,667,639 km (0.084 R)
• M12: 10,385,683 km (0.077 R)
• M13: 11,958,704 km (0.063 R)
• M14: 12,315,346 km (0.117 R)
• M15: 15,427,879 km (0.119 R)
• M16: 20,934,128 km (0.093 R)
• M17: 25,610,258 km (0.105 R)
• M18: 26,103,033 km (0.061 R)
• M19: 26,501,712 km (0.094 R)
• M20: 27,929,324 km (0.096 R)
• M21: 46,134,039 km (0.092 R)
• M22: 50,316,496 km (0.06 R)
• M23: 50,779,052 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 684

Radius: 7.5

Gravity: 12.16 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 6.55 AU - 8.33 AU

Year: 14008 Days

Day: 22.9 Hours

Environment

Temp: -241 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 59,979,437 km

• M1: 93,648 km (0.097 R)
• M2: 436,676 km (0.104 R)
• M3: 713,731 km (0.113 R)
• M4: 1,158,037 km (0.096 R)
• M5: 1,407,866 km (0.109 R)
• M6: 1,965,118 km (0.072 R)
• M7: 4,466,992 km (0.102 R)
• M8: 4,788,478 km (0.084 R)
• M9: 6,114,514 km (0.117 R)
• M10: 6,883,148 km (0.088 R)
• M11: 7,400,756 km (0.106 R)
• M12: 9,008,933 km (0.058 R)
• M13: 9,418,832 km (0.083 R)
• M14: 9,894,702 km (0.112 R)
• M15: 12,455,220 km (0.094 R)
• M16: 15,210,663 km (0.118 R)
• M17: 15,939,653 km (0.104 R)
• M18: 16,999,105 km (0.067 R)
• M19: 17,546,185 km (0.11 R)
• M20: 18,675,200 km (0.118 R)
• M21: 19,090,035 km (0.097 R)
• M22: 19,852,086 km (0.078 R)
• M23: 20,284,125 km (0.052 R)
• M24: 21,617,940 km (0.097 R)
• M25: 23,103,895 km (0.106 R)
• M26: 29,731,679 km (0.077 R)
• M27: 32,751,462 km (0.062 R)
• M28: 34,088,418 km (0.093 R)
• M29: 35,083,393 km (0.073 R)
• M30: 41,182,947 km (0.099 R)
• M31: 45,073,090 km (0.101 R)
• M32: 55,088,518 km (0.1 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 227 - 19,667 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit