🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.66 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 640.6

Radius: 12.2

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.26 AU - 1.38 AU

Year: 1066 Days

Day: 8.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 32,076,733 km

• M1: 161,566 km (0.1 R)
• M2: 589,416 km (0.105 R)
• M3: 1,048,681 km (0.042 R)
• M4: 1,570,478 km (0.096 R)
• M5: 1,956,291 km (0.062 R)
• M6: 2,591,484 km (0.071 R)
• M7: 3,653,629 km (0.08 R)
• M8: 4,498,707 km (0.086 R)
• M9: 5,899,691 km (0.089 R)
• M10: 6,307,944 km (0.098 R)
• M11: 7,723,738 km (0.119 R)
• M12: 10,017,672 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550.5

Radius: 8.9

Gravity: 6.95 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.16 AU - 1.56 AU

Year: 1115 Days

Day: 14.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 32,076,733 km

• M1: 110,702 km (0.056 R)
• M2: 394,789 km (0.12 R)
• M3: 861,833 km (0.102 R)
• M4: 1,150,707 km (0.071 R)
• M5: 1,465,311 km (0.107 R)
• M6: 1,865,934 km (0.096 R)
• M7: 2,812,889 km (0.118 R)
• M8: 3,494,756 km (0.089 R)
• M9: 3,843,468 km (0.117 R)
• M10: 4,809,272 km (0.079 R)
• M11: 6,789,200 km (0.096 R)
• M12: 7,189,225 km (0.073 R)
• M13: 8,088,757 km (0.067 R)
• M14: 8,728,886 km (0.071 R)
• M15: 9,145,815 km (0.057 R)
• M16: 9,634,252 km (0.072 R)
• M17: 9,929,708 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940.8

Radius: 12.9

Gravity: 5.65 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.49 AU - 1.57 AU

Year: 1330 Days

Day: 10.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 32,076,733 km

• M1: 160,369 km (0.075 R)
• M2: 577,298 km (0.03 R)
• M3: 1,886,280 km (0.089 R)
• M4: 2,406,581 km (0.098 R)
• M5: 3,095,330 km (0.114 R)
• M6: 3,964,344 km (0.099 R)
• M7: 5,499,367 km (0.048 R)
• M8: 6,043,455 km (0.09 R)
• M9: 6,850,236 km (0.067 R)
• M10: 8,588,713 km (0.081 R)
• M11: 11,523,075 km (0.111 R)
• M12: 12,570,260 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 671.4

Radius: 9.2

Gravity: 7.93 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 2.29 AU - 2.43 AU

Year: 2548 Days

Day: 13.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 32,076,733 km

• M1: 115,340 km (0.115 R)
• M2: 437,275 km (0.079 R)
• M3: 842,535 km (0.053 R)
• M4: 1,150,108 km (0.11 R)
• M5: 1,658,891 km (0.098 R)
• M6: 1,990,400 km (0.099 R)
• M7: 2,298,272 km (0.038 R)
• M8: 2,789,402 km (0.046 R)
• M9: 3,807,116 km (0.107 R)
• M10: 4,348,212 km (0.091 R)
• M11: 4,648,455 km (0.081 R)
• M12: 5,836,262 km (0.109 R)
• M13: 6,952,262 km (0.088 R)
• M14: 7,761,138 km (0.03 R)
• M15: 8,367,159 km (0.09 R)
• M16: 10,451,057 km (0.107 R)
• M17: 12,299,638 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 916.9

Radius: 14.5

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 2.4 AU - 3.2 AU

Year: 3293 Days

Day: 6.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 32,076,733 km

• M1: 180,265 km (0.118 R)
• M2: 640,578 km (0.068 R)
• M3: 1,154,746 km (0.088 R)
• M4: 2,536,432 km (0.093 R)
• M5: 3,820,430 km (0.096 R)
• M6: 4,549,421 km (0.102 R)
• M7: 5,369,816 km (0.111 R)
• M8: 7,176,958 km (0.102 R)
• M9: 7,770,712 km (0.117 R)
• M10: 10,030,986 km (0.089 R)
• M11: 11,466,378 km (0.111 R)
• M12: 12,049,959 km (0.105 R)
• M13: 12,606,313 km (0.057 R)
• M14: 15,595,279 km (0.063 R)
• M15: 18,843,049 km (0.079 R)
• M16: 22,517,771 km (0.115 R)
• M17: 23,149,971 km (0.05 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 161.5

Radius: 3.9

Gravity: 10.62 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 6.29 AU - 6.43 AU

Year: 11274 Days

Day: 24.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 32,076,733 km

• M1: 48,919 km (0.098 R)
• M2: 304,731 km (0.094 R)
• M3: 1,481,468 km (0.039 R)
• M4: 1,948,363 km (0.096 R)
• M5: 2,577,272 km (0.067 R)
• M6: 3,480,993 km (0.105 R)
• M7: 4,052,008 km (0.079 R)
• M8: 5,794,524 km (0.115 R)
• M9: 6,932,066 km (0.109 R)
• M10: 7,070,893 km (0.059 R)
• M11: 8,642,867 km (0.117 R)
• M12: 9,942,574 km (0.057 R)
• M13: 11,081,313 km (0.064 R)
• M14: 12,869,905 km (0.102 R)
• M15: 16,263,233 km (0.11 R)
• M16: 16,570,208 km (0.115 R)
• M17: 17,837,302 km (0.036 R)
• M18: 21,139,226 km (0.074 R)
• M19: 21,284,935 km (0.109 R)
• M20: 23,241,824 km (0.076 R)
• M21: 23,709,767 km (0.114 R)
• M22: 27,682,488 km (0.094 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 270 - 14,434 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit