🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 207.4

Radius: 10

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.77 AU - 0.85 AU

Year: 464 Days

Day: 10 Hours

Environment

Temp: -144 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 20,385,338 km

• M1: 124,316 km (0.111 R)
• M2: 438,023 km (0.083 R)
• M3: 831,914 km (0.113 R)
• M4: 1,241,064 km (0.118 R)
• M5: 2,141,045 km (0.115 R)
• M6: 2,563,808 km (0.086 R)
• M7: 3,251,360 km (0.114 R)
• M8: 3,916,173 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 864.2

Radius: 10.1

Gravity: 8.47 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.93 AU - 1.37 AU

Year: 784 Days

Day: 7.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 20,385,338 km

• M1: 126,261 km (0.098 R)
• M2: 468,241 km (0.05 R)
• M3: 1,275,023 km (0.063 R)
• M4: 1,649,616 km (0.066 R)
• M5: 2,068,191 km (0.035 R)
• M6: 2,477,939 km (0.116 R)
• M7: 2,829,644 km (0.108 R)
• M8: 3,295,940 km (0.09 R)
• M9: 3,981,547 km (0.037 R)
• M10: 4,500,802 km (0.078 R)
• M11: 5,119,838 km (0.094 R)
• M12: 5,977,632 km (0.069 R)
• M13: 6,398,002 km (0.12 R)
• M14: 7,111,584 km (0.118 R)
• M15: 8,203,798 km (0.072 R)
• M16: 9,046,183 km (0.053 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 478.5

Radius: 12.5

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.17 AU - 1.25 AU

Year: 846 Days

Day: 8.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 20,385,338 km

• M1: 156,031 km (0.08 R)
• M2: 666,309 km (0.07 R)
• M3: 1,346,082 km (0.092 R)
• M4: 1,910,066 km (0.118 R)
• M5: 2,374,268 km (0.058 R)
• M6: 2,797,480 km (0.119 R)
• M7: 3,309,853 km (0.115 R)
• M8: 3,827,162 km (0.088 R)
• M9: 4,704,404 km (0.1 R)
• M10: 5,378,791 km (0.09 R)
• M11: 7,472,862 km (0.118 R)
• M12: 7,935,419 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.8

Radius: 14.3

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.05 AU - 1.45 AU

Year: 889 Days

Day: 11.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 20,385,338 km

• M1: 177,872 km (0.087 R)
• M2: 685,757 km (0.033 R)
• M3: 1,281,156 km (0.098 R)
• M4: 1,948,961 km (0.078 R)
• M5: 2,494,844 km (0.051 R)
• M6: 2,970,715 km (0.12 R)
• M7: 3,996,507 km (0.078 R)
• M8: 4,565,877 km (0.113 R)
• M9: 5,765,502 km (0.084 R)
• M10: 6,340,107 km (0.113 R)
• M11: 7,213,759 km (0.069 R)
• M12: 9,691,698 km (0.078 R)
• M13: 10,169,214 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 200.8

Radius: 11.3

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.1 AU - 1.62 AU

Year: 1008 Days

Day: 5.5 Hours

Environment

Temp: -165 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 20,385,338 km

• M1: 141,370 km (0.106 R)
• M2: 666,608 km (0.052 R)
• M3: 1,129,614 km (0.066 R)
• M4: 1,862,793 km (0.071 R)
• M5: 2,528,802 km (0.112 R)
• M6: 2,946,180 km (0.088 R)
• M7: 4,439,018 km (0.089 R)
• M8: 4,936,879 km (0.027 R)
• M9: 5,351,565 km (0.037 R)
• M10: 5,771,486 km (0.06 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 821

Radius: 14.2

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 2.26 AU - 2.38 AU

Year: 2247 Days

Day: 10.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 20,385,338 km

• M1: 176,675 km (0.118 R)
• M2: 781,649 km (0.103 R)
• M3: 1,334,114 km (0.1 R)
• M4: 1,990,998 km (0.066 R)
• M5: 2,437,548 km (0.1 R)
• M6: 3,128,241 km (0.1 R)
• M7: 4,284,034 km (0.11 R)
• M8: 5,086,178 km (0.114 R)
• M9: 5,858,701 km (0.106 R)
• M10: 6,461,431 km (0.07 R)
• M11: 7,699,802 km (0.106 R)
• M12: 8,489,380 km (0.088 R)
• M13: 9,402,226 km (0.076 R)
• M14: 10,156,648 km (0.115 R)
• M15: 11,584,111 km (0.116 R)
• M16: 14,503,514 km (0.106 R)
• M17: 15,413,667 km (0.06 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 390.4

Radius: 9.4

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 3.04 AU - 3.4 AU

Year: 3674 Days

Day: 7.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 20,385,338 km

• M1: 116,986 km (0.086 R)
• M2: 464,950 km (0.106 R)
• M3: 806,333 km (0.116 R)
• M4: 1,127,070 km (0.077 R)
• M5: 1,586,635 km (0.075 R)
• M6: 2,443,532 km (0.09 R)
• M7: 4,195,472 km (0.116 R)
• M8: 5,530,334 km (0.115 R)
• M9: 6,050,635 km (0.106 R)
• M10: 6,461,880 km (0.096 R)
• M11: 8,099,229 km (0.057 R)
• M12: 9,298,256 km (0.073 R)
• M13: 9,996,579 km (0.065 R)
• M14: 10,339,457 km (0.112 R)
• M15: 11,170,024 km (0.083 R)
• M16: 13,602,336 km (0.119 R)
• M17: 14,405,527 km (0.085 R)
• M18: 18,729,953 km (0.047 R)
• M19: 19,251,900 km (0.101 R)
• M20: 19,962,639 km (0.102 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: 176 - 16,010 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit