🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 996.4

Radius: 12.3

Gravity: 6.59 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.65 AU - 0.69 AU

Year: 379 Days

Day: 13.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 22,167,432 km

• M1: 153,039 km (0.084 R)
• M2: 546,631 km (0.057 R)
• M3: 935,585 km (0.062 R)
• M4: 1,461,870 km (0.114 R)
• M5: 2,344,348 km (0.094 R)
• M6: 2,825,754 km (0.073 R)
• M7: 3,384,801 km (0.091 R)
• M8: 3,767,772 km (0.114 R)
• M9: 4,404,311 km (0.081 R)
• M10: 5,207,203 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 895.1

Radius: 11.6

Gravity: 6.65 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.73 AU - 0.83 AU

Year: 476 Days

Day: 7.4 Hours

Environment

Temp: -154 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 22,167,432 km

• M1: 144,212 km (0.115 R)
• M2: 675,883 km (0.106 R)
• M3: 1,270,684 km (0.048 R)
• M4: 1,749,098 km (0.066 R)
• M5: 2,404,786 km (0.03 R)
• M6: 2,817,975 km (0.094 R)
• M7: 3,464,238 km (0.09 R)
• M8: 3,870,695 km (0.111 R)
• M9: 4,609,110 km (0.064 R)
• M10: 5,036,811 km (0.098 R)
• M11: 5,404,821 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 33.6

Radius: 11.9

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.12 AU - 1.14 AU

Year: 829 Days

Day: 11.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 22,167,432 km

• M1: 148,102 km (0.08 R)
• M2: 622,626 km (0.099 R)
• M3: 1,072,916 km (0.116 R)
• M4: 1,951,355 km (0.115 R)
• M5: 3,139,611 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 690.9

Radius: 13.5

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.14 AU - 1.32 AU

Year: 942 Days

Day: 11.9 Hours

Environment

Temp: -175 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 22,167,432 km

• M1: 167,998 km (0.047 R)
• M2: 643,570 km (0.057 R)
• M3: 1,209,499 km (0.098 R)
• M4: 1,777,522 km (0.027 R)
• M5: 2,443,083 km (0.068 R)
• M6: 3,031,451 km (0.109 R)
• M7: 3,537,242 km (0.091 R)
• M8: 4,411,043 km (0.038 R)
• M9: 5,175,937 km (0.117 R)
• M10: 6,879,108 km (0.056 R)
• M11: 7,909,389 km (0.062 R)
• M12: 8,821,786 km (0.095 R)
• M13: 9,716,382 km (0.063 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 885.8

Radius: 9.9

Gravity: 9.04 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.39 AU - 1.83 AU

Year: 1410 Days

Day: 14.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 22,167,432 km

• M1: 123,568 km (0.091 R)
• M2: 447,746 km (0.117 R)
• M3: 822,040 km (0.097 R)
• M4: 1,392,607 km (0.067 R)
• M5: 1,713,195 km (0.082 R)
• M6: 2,306,949 km (0.037 R)
• M7: 2,720,288 km (0.065 R)
• M8: 3,306,412 km (0.11 R)
• M9: 4,750,331 km (0.091 R)
• M10: 5,968,955 km (0.112 R)
• M11: 7,493,806 km (0.105 R)
• M12: 10,656,754 km (0.081 R)
• M13: 11,996,104 km (0.119 R)
• M14: 12,647,752 km (0.119 R)
• M15: 14,147,620 km (0.118 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 132.5

Radius: 4.2

Gravity: 7.51 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 5.72 AU - 5.96 AU

Year: 9742 Days

Day: 20.5 Hours

Environment

Temp: -236 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 22,167,432 km

• M1: 54,454 km (0.104 R)
• M2: 289,921 km (0.119 R)
• M3: 1,885,232 km (0.097 R)
• M4: 3,853,192 km (0.104 R)
• M5: 7,246,670 km (0.116 R)
• M6: 9,298,405 km (0.118 R)
• M7: 10,032,332 km (0.106 R)
• M8: 10,542,611 km (0.11 R)
• M9: 13,817,009 km (0.1 R)
• M10: 14,934,056 km (0.07 R)
• M11: 15,430,721 km (0.067 R)
• M12: 15,654,819 km (0.113 R)
• M13: 18,834,671 km (0.029 R)
• M14: 24,943,799 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 21.3

Radius: 5.2

Gravity: 0.79 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 8.5 AU - 8.98 AU

Year: 17835 Days

Day: 16.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 22,167,432 km

• M1: 78,688 km (0.078 R)
• M2: 313,108 km (0.069 R)
• M3: 1,725,761 km (0.119 R)
• M4: 3,721,995 km (0.044 R)
• M5: 6,078,760 km (0.054 R)
• M6: 7,168,880 km (0.092 R)
• M7: 11,086,848 km (0.12 R)
• M8: 12,748,431 km (0.074 R)
• M9: 13,495,374 km (0.115 R)
• M10: 14,025,399 km (0.076 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 218 - 18,335 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit