🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 235.2

Radius: 8.9

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.84 AU - 0.98 AU

Year: 561 Days

Day: 6.1 Hours

Environment

Temp: -156 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 46,400,693 km

• M1: 110,852 km (0.084 R)
• M2: 427,551 km (0.074 R)
• M3: 1,033,721 km (0.113 R)
• M4: 1,340,995 km (0.12 R)
• M5: 1,845,140 km (0.104 R)
• M6: 2,470,908 km (0.048 R)
• M7: 2,908,183 km (0.083 R)
• M8: 4,013,262 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406.4

Radius: 8.3

Gravity: 5.9 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.71 AU - 1.85 AU

Year: 1533 Days

Day: 7.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 46,400,693 km

• M1: 104,270 km (0.11 R)
• M2: 440,566 km (0.081 R)
• M3: 797,357 km (0.105 R)
• M4: 1,090,718 km (0.079 R)
• M5: 1,490,144 km (0.118 R)
• M6: 2,037,074 km (0.043 R)
• M7: 2,908,482 km (0.11 R)
• M8: 3,558,036 km (0.072 R)
• M9: 3,827,312 km (0.079 R)
• M10: 4,461,009 km (0.075 R)
• M11: 4,889,008 km (0.066 R)
• M12: 5,550,829 km (0.088 R)
• M13: 6,316,471 km (0.089 R)
• M14: 7,581,620 km (0.111 R)
• M15: 10,094,565 km (0.083 R)
• M16: 11,198,897 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 603.1

Radius: 9.6

Gravity: 6.54 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.97 AU - 2.05 AU

Year: 1840 Days

Day: 12.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 46,400,693 km

• M1: 119,529 km (0.066 R)
• M2: 545,883 km (0.108 R)
• M3: 941,120 km (0.112 R)
• M4: 1,462,768 km (0.068 R)
• M5: 2,074,922 km (0.103 R)
• M6: 2,626,041 km (0.094 R)
• M7: 3,632,984 km (0.107 R)
• M8: 4,002,192 km (0.064 R)
• M9: 4,474,472 km (0.081 R)
• M10: 4,857,892 km (0.088 R)
• M11: 6,338,911 km (0.117 R)
• M12: 6,667,876 km (0.088 R)
• M13: 7,332,988 km (0.061 R)
• M14: 7,724,336 km (0.031 R)
• M15: 8,041,484 km (0.094 R)
• M16: 8,548,920 km (0.095 R)
• M17: 9,928,063 km (0.112 R)
• M18: 10,582,553 km (0.103 R)
• M19: 11,487,172 km (0.103 R)
• M20: 12,799,145 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 539.8

Radius: 12.8

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 2.5 AU - 2.8 AU

Year: 2785 Days

Day: 5.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 46,400,693 km

• M1: 159,621 km (0.074 R)
• M2: 620,532 km (0.056 R)
• M3: 1,449,603 km (0.098 R)
• M4: 2,078,363 km (0.112 R)
• M5: 2,884,097 km (0.079 R)
• M6: 3,869,349 km (0.106 R)
• M7: 4,885,717 km (0.078 R)
• M8: 5,615,904 km (0.074 R)
• M9: 6,860,558 km (0.062 R)
• M10: 7,383,403 km (0.118 R)
• M11: 8,217,261 km (0.107 R)
• M12: 9,044,538 km (0.103 R)
• M13: 9,461,018 km (0.1 R)
• M14: 12,277,497 km (0.112 R)
• M15: 18,053,022 km (0.073 R)
• M16: 18,826,892 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 465.6

Radius: 13.1

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 2.54 AU - 3.76 AU

Year: 3610 Days

Day: 13.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 46,400,693 km

• M1: 770,429 km (0.119 R)
• M2: 1,185,563 km (0.113 R)
• M3: 1,944,623 km (0.106 R)
• M4: 2,627,088 km (0.109 R)
• M5: 5,364,430 km (0.076 R)
• M6: 8,077,088 km (0.106 R)
• M7: 8,581,981 km (0.077 R)
• M8: 9,108,117 km (0.049 R)
• M9: 9,956,486 km (0.094 R)
• M10: 16,459,207 km (0.105 R)
• M11: 16,998,806 km (0.027 R)
• M12: 19,997,346 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559.1

Radius: 14.3

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 3.77 AU - 4.77 AU

Year: 5697 Days

Day: 8.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 46,400,693 km

• M1: 178,321 km (0.114 R)
• M2: 709,543 km (0.099 R)
• M3: 1,228,498 km (0.108 R)
• M4: 1,690,755 km (0.039 R)
• M5: 3,458,104 km (0.087 R)
• M6: 5,051,172 km (0.104 R)
• M7: 6,690,316 km (0.057 R)
• M8: 7,722,242 km (0.057 R)
• M9: 8,352,648 km (0.105 R)
• M10: 10,948,320 km (0.039 R)
• M11: 12,430,386 km (0.103 R)
• M12: 12,935,877 km (0.046 R)
• M13: 13,613,556 km (0.099 R)
• M14: 14,758,428 km (0.068 R)
• M15: 15,966,431 km (0.104 R)
• M16: 16,746,734 km (0.089 R)
• M17: 21,682,267 km (0.029 R)
• M18: 23,090,731 km (0.09 R)
• M19: 23,778,731 km (0.12 R)
• M20: 25,437,622 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839.7

Radius: 10.5

Gravity: 7.62 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 5.29 AU - 5.95 AU

Year: 8602 Days

Day: 13.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 46,400,693 km

• M1: 130,599 km (0.105 R)
• M2: 473,627 km (0.092 R)
• M3: 1,179,280 km (0.108 R)
• M4: 1,576,762 km (0.093 R)
• M5: 2,131,470 km (0.114 R)
• M6: 3,227,125 km (0.072 R)
• M7: 3,707,634 km (0.107 R)
• M8: 4,290,916 km (0.115 R)
• M9: 4,663,714 km (0.116 R)
• M10: 5,089,469 km (0.098 R)
• M11: 6,902,895 km (0.086 R)
• M12: 7,335,831 km (0.093 R)
• M13: 9,299,303 km (0.035 R)
• M14: 9,730,444 km (0.032 R)
• M15: 14,046,941 km (0.068 R)
• M16: 16,137,721 km (0.118 R)
• M17: 21,172,287 km (0.119 R)
• M18: 23,291,790 km (0.096 R)
• M19: 23,998,939 km (0.051 R)
• M20: 27,359,655 km (0.067 R)
• M21: 30,704,813 km (0.09 R)
• M22: 41,839,832 km (0.086 R)
• M23: 42,753,127 km (0.113 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 443 - 16,914 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit