🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.61 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 575.3

Radius: 9.3

Gravity: 6.65 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.14 AU - 1.3 AU

Year: 930 Days

Day: 11.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 69,574,756 km

• M1: 117,584 km (0.027 R)
• M2: 410,497 km (0.098 R)
• M3: 752,178 km (0.1 R)
• M4: 1,155,195 km (0.086 R)
• M5: 1,913,806 km (0.1 R)
• M6: 2,248,306 km (0.059 R)
• M7: 2,645,190 km (0.078 R)
• M8: 3,301,027 km (0.097 R)
• M9: 3,922,007 km (0.115 R)
• M10: 4,399,973 km (0.082 R)
• M11: 4,722,356 km (0.097 R)
• M12: 6,173,904 km (0.097 R)
• M13: 7,001,928 km (0.058 R)
• M14: 9,174,389 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.9

Radius: 11.5

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.86 AU - 2.32 AU

Year: 2086 Days

Day: 6.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 69,574,756 km

• M1: 150,944 km (0.087 R)
• M2: 797,656 km (0.092 R)
• M3: 1,806,843 km (0.116 R)
• M4: 2,431,265 km (0.097 R)
• M5: 3,083,811 km (0.117 R)
• M6: 3,581,223 km (0.117 R)
• M7: 4,488,834 km (0.055 R)
• M8: 6,359,705 km (0.034 R)
• M9: 6,756,438 km (0.083 R)
• M10: 7,311,147 km (0.078 R)
• M11: 7,746,926 km (0.1 R)
• M12: 8,480,404 km (0.09 R)
• M13: 9,944,668 km (0.032 R)
• M14: 10,335,717 km (0.097 R)
• M15: 11,110,933 km (0.111 R)
• M16: 11,532,201 km (0.064 R)
• M17: 12,204,344 km (0.085 R)
• M18: 12,570,559 km (0.034 R)
• M19: 13,583,487 km (0.114 R)
• M20: 13,977,079 km (0.049 R)
• M21: 15,771,356 km (0.117 R)
• M22: 16,255,155 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 463.3

Radius: 10.9

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 2.19 AU - 2.27 AU

Year: 2299 Days

Day: 13.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 69,574,756 km

• M1: 135,685 km (0.119 R)
• M2: 902,973 km (0.114 R)
• M3: 1,286,990 km (0.082 R)
• M4: 1,834,369 km (0.08 R)
• M5: 2,286,005 km (0.085 R)
• M6: 2,899,207 km (0.098 R)
• M7: 3,670,982 km (0.045 R)
• M8: 4,656,084 km (0.109 R)
• M9: 5,737,826 km (0.112 R)
• M10: 6,199,785 km (0.094 R)
• M11: 6,712,756 km (0.063 R)
• M12: 7,620,964 km (0.095 R)
• M13: 8,089,804 km (0.093 R)
• M14: 9,215,678 km (0.063 R)
• M15: 9,646,968 km (0.069 R)
• M16: 11,699,301 km (0.107 R)
• M17: 12,483,793 km (0.087 R)
• M18: 12,971,183 km (0.073 R)
• M19: 13,811,773 km (0.119 R)
• M20: 14,688,117 km (0.096 R)
• M21: 15,185,829 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 473.3

Radius: 10.3

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 2.46 AU - 3.5 AU

Year: 3551 Days

Day: 5.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 69,574,756 km

• M1: 128,056 km (0.104 R)
• M2: 576,999 km (0.114 R)
• M3: 1,224,159 km (0.078 R)
• M4: 1,681,779 km (0.114 R)
• M5: 2,078,513 km (0.086 R)
• M6: 2,478,538 km (0.099 R)
• M7: 3,417,115 km (0.064 R)
• M8: 4,122,469 km (0.119 R)
• M9: 4,532,367 km (0.03 R)
• M10: 5,769,242 km (0.092 R)
• M11: 8,310,760 km (0.082 R)
• M12: 10,151,113 km (0.061 R)
• M13: 10,660,643 km (0.093 R)
• M14: 13,468,745 km (0.083 R)
• M15: 18,697,939 km (0.053 R)
• M16: 20,808,615 km (0.082 R)
• M17: 21,249,031 km (0.086 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 721

Radius: 4.3

Gravity: 38.99 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 7.23 AU - 9.73 AU

Year: 17045 Days

Day: 19.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 69,574,756 km

• M1: 55,950 km (0.078 R)
• M2: 192,532 km (0.075 R)
• M3: 493,673 km (0.09 R)
• M4: 1,452,446 km (0.074 R)
• M5: 2,164,980 km (0.116 R)
• M6: 3,868,302 km (0.08 R)
• M7: 6,221,177 km (0.114 R)
• M8: 6,430,913 km (0.09 R)
• M9: 7,088,695 km (0.078 R)
• M10: 11,245,721 km (0.115 R)
• M11: 13,201,264 km (0.116 R)
• M12: 23,291,341 km (0.094 R)
• M13: 26,437,085 km (0.039 R)
• M14: 26,766,350 km (0.069 R)
• M15: 28,339,521 km (0.115 R)
• M16: 29,382,817 km (0.118 R)
• M17: 32,414,567 km (0.108 R)
• M18: 39,375,356 km (0.042 R)
• M19: 44,582,110 km (0.108 R)
• M20: 48,734,199 km (0.055 R)
• M21: 55,255,021 km (0.101 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 195 - 19,542 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit