🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 554.7

Radius: 12.3

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.64 AU - 0.92 AU

Year: 445 Days

Day: 6.2 Hours

Environment

Temp: -152 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 42,902,929 km

• M1: 153,039 km (0.048 R)
• M2: 880,982 km (0.12 R)
• M3: 1,742,965 km (0.119 R)
• M4: 2,292,887 km (0.112 R)
• M5: 3,009,610 km (0.065 R)
• M6: 3,539,037 km (0.116 R)
• M7: 4,103,769 km (0.097 R)
• M8: 5,178,629 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 431

Radius: 13

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.24 AU - 1.54 AU

Year: 1058 Days

Day: 10.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 42,902,929 km

• M1: 161,715 km (0.051 R)
• M2: 752,477 km (0.071 R)
• M3: 1,303,596 km (0.057 R)
• M4: 2,170,665 km (0.07 R)
• M5: 2,913,269 km (0.11 R)
• M6: 3,587,507 km (0.094 R)
• M7: 4,000,546 km (0.111 R)
• M8: 4,714,577 km (0.094 R)
• M9: 5,212,139 km (0.099 R)
• M10: 6,209,060 km (0.118 R)
• M11: 7,236,797 km (0.098 R)
• M12: 7,876,777 km (0.12 R)
• M13: 8,502,694 km (0.115 R)
• M14: 9,161,673 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 206.3

Radius: 13.6

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.19 AU - 1.73 AU

Year: 1139 Days

Day: 5.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 42,902,929 km

• M1: 169,195 km (0.09 R)
• M2: 677,828 km (0.057 R)
• M3: 1,280,408 km (0.103 R)
• M4: 1,739,524 km (0.066 R)
• M5: 2,224,221 km (0.065 R)
• M6: 3,564,917 km (0.089 R)
• M7: 4,005,034 km (0.105 R)
• M8: 5,513,878 km (0.084 R)
• M9: 5,972,695 km (0.067 R)
• M10: 6,842,906 km (0.051 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.9

Radius: 14

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.39 AU - 1.79 AU

Year: 1295 Days

Day: 8.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 42,902,929 km

• M1: 174,132 km (0.117 R)
• M2: 698,173 km (0.117 R)
• M3: 1,760,917 km (0.079 R)
• M4: 2,346,891 km (0.044 R)
• M5: 3,149,634 km (0.067 R)
• M6: 3,935,621 km (0.093 R)
• M7: 4,460,111 km (0.081 R)
• M8: 5,651,209 km (0.091 R)
• M9: 6,789,350 km (0.118 R)
• M10: 7,962,047 km (0.12 R)
• M11: 8,420,565 km (0.093 R)
• M12: 8,988,139 km (0.101 R)
• M13: 10,434,751 km (0.11 R)
• M14: 11,846,506 km (0.105 R)
• M15: 12,791,516 km (0.118 R)
• M16: 13,583,038 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 509.3

Radius: 12.4

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.56 AU - 2.34 AU

Year: 1758 Days

Day: 7.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 42,902,929 km

• M1: 154,235 km (0.06 R)
• M2: 647,310 km (0.066 R)
• M3: 1,042,697 km (0.114 R)
• M4: 1,691,354 km (0.059 R)
• M5: 2,103,944 km (0.11 R)
• M6: 2,533,141 km (0.107 R)
• M7: 3,050,001 km (0.102 R)
• M8: 3,888,797 km (0.117 R)
• M9: 4,335,047 km (0.067 R)
• M10: 5,417,388 km (0.116 R)
• M11: 5,838,506 km (0.079 R)
• M12: 7,341,366 km (0.029 R)
• M13: 8,140,368 km (0.083 R)
• M14: 8,635,088 km (0.027 R)
• M15: 9,589,074 km (0.075 R)
• M16: 10,141,389 km (0.103 R)
• M17: 11,816,287 km (0.072 R)
• M18: 13,030,872 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 145.5

Radius: 12.3

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 3.95 AU - 5.55 AU

Year: 6684 Days

Day: 8.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 42,902,929 km

• M1: 153,039 km (0.078 R)
• M2: 585,077 km (0.073 R)
• M3: 1,401,582 km (0.12 R)
• M4: 1,784,553 km (0.072 R)
• M5: 2,378,457 km (0.108 R)
• M6: 2,850,587 km (0.097 R)
• M7: 3,986,185 km (0.114 R)
• M8: 4,913,243 km (0.066 R)
• M9: 7,316,233 km (0.104 R)
• M10: 8,155,627 km (0.108 R)
• M11: 8,808,921 km (0.108 R)
• M12: 10,857,365 km (0.106 R)
• M13: 12,123,711 km (0.103 R)
• M14: 13,345,476 km (0.108 R)
• M15: 16,567,665 km (0.115 R)
• M16: 17,059,094 km (0.118 R)
• M17: 18,650,067 km (0.119 R)
• M18: 19,481,682 km (0.091 R)
• M19: 20,275,897 km (0.061 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 576.6

Radius: 8.4

Gravity: 8.17 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 5.4 AU - 6.38 AU

Year: 9230 Days

Day: 12 Hours

Environment

Temp: -213 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 42,902,929 km

• M1: 106,214 km (0.096 R)
• M2: 518,057 km (0.084 R)
• M3: 919,129 km (0.052 R)
• M4: 1,203,216 km (0.057 R)
• M5: 1,801,458 km (0.105 R)
• M6: 2,343,451 km (0.069 R)
• M7: 2,643,245 km (0.119 R)
• M8: 2,947,527 km (0.072 R)
• M9: 4,297,498 km (0.119 R)
• M10: 5,583,741 km (0.117 R)
• M11: 5,882,487 km (0.12 R)
• M12: 6,769,004 km (0.074 R)
• M13: 7,421,102 km (0.114 R)
• M14: 7,823,669 km (0.084 R)
• M15: 15,101,157 km (0.103 R)
• M16: 16,212,370 km (0.094 R)
• M17: 16,549,414 km (0.112 R)
• M18: 17,447,450 km (0.101 R)
• M19: 21,285,982 km (0.118 R)
• M20: 25,290,567 km (0.11 R)
• M21: 25,652,893 km (0.033 R)
• M22: 27,996,793 km (0.09 R)
• M23: 28,579,925 km (0.071 R)
• M24: 30,174,489 km (0.039 R)
• M25: 38,325,927 km (0.118 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: 159 - 12,179 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit