🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 717.4

Radius: 14.1

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.69 AU - 0.75 AU

Year: 422 Days

Day: 14.6 Hours

Environment

Temp: -152 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 42,342,269 km

• M1: 175,329 km (0.091 R)
• M2: 649,554 km (0.081 R)
• M3: 1,122,134 km (0.079 R)
• M4: 2,240,677 km (0.078 R)
• M5: 2,757,238 km (0.066 R)
• M6: 3,482,788 km (0.058 R)
• M7: 4,061,582 km (0.092 R)
• M8: 4,792,817 km (0.086 R)
• M9: 5,317,456 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 780

Radius: 14.5

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.73 AU - 0.93 AU

Year: 522 Days

Day: 14.3 Hours

Environment

Temp: -166 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 42,342,269 km

• M1: 180,265 km (0.098 R)
• M2: 740,958 km (0.078 R)
• M3: 1,282,802 km (0.071 R)
• M4: 2,016,280 km (0.098 R)
• M5: 2,556,628 km (0.088 R)
• M6: 3,229,369 km (0.073 R)
• M7: 4,422,113 km (0.051 R)
• M8: 4,884,969 km (0.114 R)
• M9: 5,431,749 km (0.064 R)
• M10: 5,964,168 km (0.092 R)
• M11: 6,415,205 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531.7

Radius: 8.8

Gravity: 6.87 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.55 AU - 2.01 AU

Year: 1639 Days

Day: 10.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 42,342,269 km

• M1: 109,506 km (0.086 R)
• M2: 670,498 km (0.119 R)
• M3: 1,004,699 km (0.067 R)
• M4: 1,450,651 km (0.107 R)
• M5: 1,992,045 km (0.089 R)
• M6: 2,382,795 km (0.082 R)
• M7: 4,559,145 km (0.091 R)
• M8: 5,075,257 km (0.105 R)
• M9: 5,629,667 km (0.092 R)
• M10: 5,944,571 km (0.093 R)
• M11: 6,271,292 km (0.119 R)
• M12: 6,585,298 km (0.118 R)
• M13: 8,116,881 km (0.077 R)
• M14: 8,725,894 km (0.103 R)
• M15: 10,634,314 km (0.093 R)
• M16: 12,162,756 km (0.097 R)
• M17: 12,500,398 km (0.12 R)
• M18: 12,882,770 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 603

Radius: 12.5

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 2.97 AU - 3.77 AU

Year: 4270 Days

Day: 6.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 42,342,269 km

• M1: 155,432 km (0.078 R)
• M2: 665,112 km (0.056 R)
• M3: 1,102,985 km (0.069 R)
• M4: 1,825,244 km (0.096 R)
• M5: 2,286,903 km (0.037 R)
• M6: 3,037,136 km (0.105 R)
• M7: 3,671,880 km (0.095 R)
• M8: 4,582,332 km (0.105 R)
• M9: 5,692,947 km (0.072 R)
• M10: 6,267,403 km (0.075 R)
• M11: 7,600,170 km (0.08 R)
• M12: 9,152,099 km (0.064 R)
• M13: 9,580,996 km (0.117 R)
• M14: 10,270,492 km (0.102 R)
• M15: 12,162,456 km (0.09 R)
• M16: 14,121,889 km (0.096 R)
• M17: 14,695,896 km (0.112 R)
• M18: 15,285,162 km (0.048 R)
• M19: 16,683,603 km (0.055 R)
• M20: 18,595,763 km (0.079 R)
• M21: 19,349,138 km (0.074 R)
• M22: 20,319,430 km (0.058 R)
• M23: 22,851,524 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 33.5

Radius: 10.2

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 3.72 AU - 5.8 AU

Year: 7168 Days

Day: 12.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 42,342,269 km

• M1: 127,009 km (0.051 R)
• M2: 613,351 km (0.073 R)
• M3: 1,320,052 km (0.059 R)
• M4: 1,950,756 km (0.092 R)
• M5: 2,662,992 km (0.111 R)
• M6: 3,028,160 km (0.065 R)
• M7: 5,539,310 km (0.078 R)
• M8: 8,945,504 km (0.113 R)
• M9: 13,915,145 km (0.067 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 619

Radius: 11.8

Gravity: 4.45 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 4.9 AU - 5.96 AU

Year: 8734 Days

Day: 11 Hours

Environment

Temp: -228 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 42,342,269 km

• M1: 175,478 km (0.115 R)
• M2: 560,244 km (0.042 R)
• M3: 1,208,152 km (0.105 R)
• M4: 2,215,544 km (0.032 R)
• M5: 2,949,771 km (0.091 R)
• M6: 3,363,110 km (0.062 R)
• M7: 4,389,351 km (0.072 R)
• M8: 6,644,389 km (0.091 R)
• M9: 7,052,792 km (0.073 R)
• M10: 7,636,672 km (0.113 R)
• M11: 10,798,423 km (0.094 R)
• M12: 12,004,182 km (0.104 R)
• M13: 12,894,439 km (0.108 R)
• M14: 16,093,889 km (0.083 R)
• M15: 17,805,887 km (0.079 R)
• M16: 18,596,511 km (0.104 R)
• M17: 19,485,571 km (0.09 R)
• M18: 27,079,159 km (0.077 R)
• M19: 28,999,996 km (0.051 R)
• M20: 29,394,785 km (0.037 R)
• M21: 39,860,801 km (0.091 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 264 - 12,869 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit