🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 255.4

Radius: 14.3

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.54 AU - 0.74 AU

Year: 341 Days

Day: 10.8 Hours

Environment

Temp: -161 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 33,061,936 km

• M1: 179,069 km (0.07 R)
• M2: 703,708 km (0.115 R)
• M3: 1,225,655 km (0.109 R)
• M4: 2,053,979 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 603.3

Radius: 8.9

Gravity: 7.62 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.65 AU - 0.79 AU

Year: 407 Days

Day: 11.8 Hours

Environment

Temp: -152 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 33,061,936 km

• M1: 110,702 km (0.044 R)
• M2: 400,773 km (0.083 R)
• M3: 842,834 km (0.049 R)
• M4: 1,273,377 km (0.085 R)
• M5: 1,567,486 km (0.102 R)
• M6: 2,099,905 km (0.118 R)
• M7: 2,386,086 km (0.082 R)
• M8: 2,901,152 km (0.103 R)
• M9: 3,213,362 km (0.05 R)
• M10: 3,693,123 km (0.104 R)
• M11: 3,995,759 km (0.118 R)
• M12: 4,383,517 km (0.072 R)
• M13: 4,781,597 km (0.088 R)
• M14: 5,157,387 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 117

Radius: 8.7

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.95 AU - 1.53 AU

Year: 921 Days

Day: 12.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 33,061,936 km

• M1: 108,159 km (0.109 R)
• M2: 390,750 km (0.076 R)
• M3: 963,859 km (0.064 R)
• M4: 2,544,061 km (0.056 R)
• M5: 3,326,309 km (0.109 R)
• M6: 3,693,123 km (0.103 R)
• M7: 4,579,191 km (0.044 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 788.3

Radius: 9.4

Gravity: 8.92 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.43 AU - 1.87 AU

Year: 1413 Days

Day: 12.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 33,061,936 km

• M1: 116,836 km (0.09 R)
• M2: 615,894 km (0.112 R)
• M3: 1,117,945 km (0.067 R)
• M4: 1,726,210 km (0.093 R)
• M5: 2,414,360 km (0.096 R)
• M6: 2,892,026 km (0.074 R)
• M7: 3,290,704 km (0.088 R)
• M8: 6,048,541 km (0.118 R)
• M9: 6,603,400 km (0.103 R)
• M10: 6,906,335 km (0.114 R)
• M11: 7,458,651 km (0.089 R)
• M12: 10,066,142 km (0.043 R)
• M13: 11,628,990 km (0.063 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 439.1

Radius: 9.9

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 2.63 AU - 3.77 AU

Year: 3817 Days

Day: 12.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 33,061,936 km

• M1: 123,867 km (0.12 R)
• M2: 548,725 km (0.115 R)
• M3: 900,280 km (0.112 R)
• M4: 2,080,607 km (0.087 R)
• M5: 2,499,780 km (0.109 R)
• M6: 2,891,727 km (0.093 R)
• M7: 4,044,229 km (0.117 R)
• M8: 4,609,858 km (0.057 R)
• M9: 5,608,125 km (0.058 R)
• M10: 6,172,259 km (0.118 R)
• M11: 6,656,357 km (0.073 R)
• M12: 8,296,100 km (0.081 R)
• M13: 9,691,249 km (0.116 R)
• M14: 10,825,800 km (0.092 R)
• M15: 11,743,882 km (0.091 R)
• M16: 12,090,350 km (0.079 R)
• M17: 12,398,971 km (0.098 R)
• M18: 17,799,603 km (0.059 R)
• M19: 19,375,617 km (0.078 R)
• M20: 20,979,157 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 216.2

Radius: 13.7

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 4.11 AU - 5.01 AU

Year: 6493 Days

Day: 11.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 33,061,936 km

• M1: 170,392 km (0.049 R)
• M2: 794,215 km (0.095 R)
• M3: 1,285,345 km (0.07 R)
• M4: 1,833,023 km (0.044 R)
• M5: 3,171,774 km (0.055 R)
• M6: 3,975,863 km (0.108 R)
• M7: 4,694,680 km (0.074 R)
• M8: 5,472,290 km (0.055 R)
• M9: 6,392,766 km (0.098 R)
• M10: 10,340,953 km (0.043 R)
• M11: 13,915,744 km (0.088 R)
• M12: 15,253,298 km (0.064 R)
• M13: 16,562,579 km (0.119 R)
• M14: 19,279,575 km (0.06 R)
• M15: 22,213,040 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 468.7

Radius: 12.1

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 3.98 AU - 5.54 AU

Year: 6925 Days

Day: 14.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 33,061,936 km

• M1: 152,889 km (0.111 R)
• M2: 791,074 km (0.06 R)
• M3: 1,218,774 km (0.09 R)
• M4: 1,764,058 km (0.11 R)
• M5: 2,641,450 km (0.092 R)
• M6: 3,050,600 km (0.097 R)
• M7: 4,414,334 km (0.109 R)
• M8: 4,967,547 km (0.077 R)
• M9: 7,843,416 km (0.09 R)
• M10: 9,698,729 km (0.031 R)
• M11: 11,781,132 km (0.106 R)
• M12: 12,230,972 km (0.091 R)
• M13: 13,595,454 km (0.082 R)
• M14: 15,058,821 km (0.09 R)
• M15: 17,064,480 km (0.107 R)
• M16: 20,865,761 km (0.083 R)
• M17: 21,822,739 km (0.116 R)
• M18: 22,731,995 km (0.108 R)
• M19: 23,118,257 km (0.089 R)
• M20: 23,666,234 km (0.07 R)
• M21: 24,707,136 km (0.063 R)
• M22: 25,115,538 km (0.098 R)
• M23: 26,537,765 km (0.04 R)
• M24: 28,996,256 km (0.105 R)
• M25: 33,061,877 km (0.097 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 524 - 12,544 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit