🌌 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: 994.9

Radius: 14

Gravity: 5.08 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.68 AU - 0.76 AU

Year: 394 Days

Day: 11 Hours

Environment

Temp: -147 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,959,005 km

• M1: 174,132 km (0.025 R)
• M2: 650,302 km (0.099 R)
• M3: 1,367,474 km (0.067 R)
• M4: 1,823,000 km (0.092 R)
• M5: 2,280,919 km (0.105 R)
• M6: 2,733,751 km (0.095 R)
• M7: 3,317,333 km (0.102 R)
• M8: 4,050,811 km (0.091 R)
• M9: 4,647,707 km (0.074 R)
• M10: 5,173,543 km (0.079 R)
• M11: 6,037,022 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 12.5

Radius: 11.6

Gravity: 0.09 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.78 AU - 1.12 AU

Year: 598 Days

Day: 9.8 Hours

Environment

Temp: -151 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 54,959,005 km

• M1: 144,811 km (0.064 R)
• M2: 894,446 km (0.052 R)
• M3: 1,369,120 km (0.048 R)
• M4: 1,887,028 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 119.6

Radius: 9.8

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.92 AU - 1.08 AU

Year: 646 Days

Day: 9.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 54,959,005 km

• M1: 122,221 km (0.106 R)
• M2: 661,522 km (0.119 R)
• M3: 1,144,873 km (0.117 R)
• M4: 1,634,207 km (0.105 R)
• M5: 2,561,116 km (0.043 R)
• M6: 3,248,219 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 627.8

Radius: 12.5

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.3 AU - 1.7 AU

Year: 1186 Days

Day: 14 Hours

Environment

Temp: -172 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 54,959,005 km

• M1: 185,801 km (0.097 R)
• M2: 768,484 km (0.104 R)
• M3: 1,351,018 km (0.073 R)
• M4: 1,750,295 km (0.038 R)
• M5: 2,329,388 km (0.043 R)
• M6: 3,415,319 km (0.095 R)
• M7: 3,892,686 km (0.105 R)
• M8: 4,556,901 km (0.036 R)
• M9: 5,415,742 km (0.12 R)
• M10: 5,981,222 km (0.112 R)
• M11: 6,725,471 km (0.07 R)
• M12: 9,962,620 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 151.8

Radius: 13.8

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.24 AU - 1.9 AU

Year: 1270 Days

Day: 14.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 54,959,005 km

• M1: 171,589 km (0.072 R)
• M2: 1,126,771 km (0.103 R)
• M3: 1,852,919 km (0.074 R)
• M4: 2,343,750 km (0.11 R)
• M5: 2,967,573 km (0.105 R)
• M6: 4,147,152 km (0.103 R)
• M7: 4,661,170 km (0.086 R)
• M8: 5,966,262 km (0.071 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 755.6

Radius: 14

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 2.46 AU - 3.22 AU

Year: 3090 Days

Day: 5.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 54,959,005 km

• M1: 176,525 km (0.084 R)
• M2: 699,669 km (0.059 R)
• M3: 1,266,496 km (0.044 R)
• M4: 1,850,226 km (0.083 R)
• M5: 2,304,106 km (0.073 R)
• M6: 2,768,608 km (0.102 R)
• M7: 3,406,044 km (0.109 R)
• M8: 3,931,881 km (0.113 R)
• M9: 4,378,131 km (0.101 R)
• M10: 6,314,676 km (0.059 R)
• M11: 7,206,279 km (0.03 R)
• M12: 9,129,958 km (0.039 R)
• M13: 9,575,311 km (0.093 R)
• M14: 10,073,921 km (0.109 R)
• M15: 11,040,472 km (0.077 R)
• M16: 14,612,122 km (0.109 R)
• M17: 16,769,323 km (0.07 R)
• M18: 20,297,738 km (0.096 R)
• M19: 22,169,058 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 538.3

Radius: 6.2

Gravity: 14 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 6.21 AU - 9.23 AU

Year: 13850 Days

Day: 21.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 54,959,005 km

• M1: 77,043 km (0.118 R)
• M2: 571,015 km (0.091 R)
• M3: 965,804 km (0.103 R)
• M4: 1,544,149 km (0.064 R)
• M5: 1,875,509 km (0.101 R)
• M6: 2,553,336 km (0.079 R)
• M7: 2,971,313 km (0.104 R)
• M8: 4,114,241 km (0.067 R)
• M9: 4,319,938 km (0.119 R)
• M10: 4,752,126 km (0.032 R)
• M11: 5,419,033 km (0.045 R)
• M12: 8,109,850 km (0.119 R)
• M13: 9,158,382 km (0.114 R)
• M14: 11,931,627 km (0.058 R)
• M15: 12,351,399 km (0.055 R)
• M16: 16,509,771 km (0.1 R)
• M17: 17,333,756 km (0.097 R)
• M18: 23,696,602 km (0.052 R)
• M19: 30,116,295 km (0.089 R)
• M20: 31,344,643 km (0.11 R)
• M21: 34,139,580 km (0.116 R)
• M22: 34,985,108 km (0.1 R)
• M23: 35,229,251 km (0.082 R)
• M24: 37,861,426 km (0.111 R)
• M25: 38,767,091 km (0.053 R)
• M26: 39,687,268 km (0.116 R)
• M27: 41,434,571 km (0.084 R)
• M28: 42,257,958 km (0.09 R)
• M29: 42,812,966 km (0.049 R)
• M30: 46,099,033 km (0.081 R)
• M31: 46,687,102 km (0.082 R)
• M32: 48,481,528 km (0.11 R)
• M33: 50,476,865 km (0.07 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 450 - 18,876 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit