🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 324

Radius: 12.9

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.72 AU - 0.88 AU

Year: 477 Days

Day: 11.9 Hours

Environment

Temp: -171 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 17,396,411 km

• M1: 160,818 km (0.118 R)
• M2: 740,360 km (0.034 R)
• M3: 1,223,411 km (0.112 R)
• M4: 1,635,105 km (0.061 R)
• M5: 2,858,367 km (0.054 R)
• M6: 3,777,496 km (0.098 R)
• M7: 4,828,122 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 932.3

Radius: 9.1

Gravity: 11.26 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.76 AU - 0.88 AU

Year: 495 Days

Day: 14.4 Hours

Environment

Temp: -170 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 17,396,411 km

• M1: 113,246 km (0.066 R)
• M2: 602,580 km (0.056 R)
• M3: 1,098,647 km (0.109 R)
• M4: 1,384,678 km (0.071 R)
• M5: 1,875,957 km (0.1 R)
• M6: 2,733,452 km (0.112 R)
• M7: 3,497,449 km (0.113 R)
• M8: 3,818,186 km (0.078 R)
• M9: 4,381,722 km (0.108 R)
• M10: 4,675,831 km (0.081 R)
• M11: 5,049,527 km (0.108 R)
• M12: 5,857,205 km (0.111 R)
• M13: 6,369,877 km (0.099 R)
• M14: 6,870,881 km (0.053 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 451

Radius: 11.6

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.91 AU - 0.99 AU

Year: 617 Days

Day: 14.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 17,396,411 km

• M1: 144,212 km (0.087 R)
• M2: 586,573 km (0.091 R)
• M3: 969,544 km (0.076 R)
• M4: 1,554,920 km (0.103 R)
• M5: 1,926,073 km (0.079 R)
• M6: 2,502,174 km (0.088 R)
• M7: 2,885,743 km (0.076 R)
• M8: 3,467,230 km (0.119 R)
• M9: 4,850,262 km (0.115 R)
• M10: 5,922,131 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 161.1

Radius: 14

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.95 AU - 1.17 AU

Year: 728 Days

Day: 10.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 17,396,411 km

• M1: 174,132 km (0.097 R)
• M2: 742,604 km (0.084 R)
• M3: 1,202,767 km (0.096 R)
• M4: 1,734,139 km (0.043 R)
• M5: 2,201,632 km (0.047 R)
• M6: 2,687,526 km (0.109 R)
• M7: 3,558,485 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 88

Radius: 14.8

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.01 AU - 1.35 AU

Year: 855 Days

Day: 10.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 17,396,411 km

• M1: 184,005 km (0.035 R)
• M2: 747,690 km (0.076 R)
• M3: 1,248,394 km (0.07 R)
• M4: 2,026,154 km (0.091 R)
• M5: 3,672,329 km (0.086 R)
• M6: 4,545,980 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 916.7

Radius: 8.2

Gravity: 13.63 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.1 AU - 1.62 AU

Year: 1058 Days

Day: 9.1 Hours

Environment

Temp: -178 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 17,396,411 km

• M1: 126,560 km (0.111 R)
• M2: 405,709 km (0.057 R)
• M3: 685,607 km (0.106 R)
• M4: 1,020,108 km (0.071 R)
• M5: 1,471,445 km (0.071 R)
• M6: 1,905,428 km (0.059 R)
• M7: 2,236,787 km (0.103 R)
• M8: 2,866,146 km (0.074 R)
• M9: 4,119,028 km (0.114 R)
• M10: 4,528,028 km (0.11 R)
• M11: 5,345,132 km (0.097 R)
• M12: 5,788,839 km (0.112 R)
• M13: 6,302,857 km (0.115 R)
• M14: 7,118,016 km (0.077 R)
• M15: 7,396,268 km (0.103 R)
• M16: 7,947,686 km (0.108 R)
• M17: 8,413,833 km (0.088 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 867.4

Radius: 12.7

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.6 AU - 2.48 AU

Year: 1943 Days

Day: 12.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 17,396,411 km

• M1: 159,172 km (0.045 R)
• M2: 749,635 km (0.088 R)
• M3: 1,398,890 km (0.092 R)
• M4: 1,857,856 km (0.12 R)
• M5: 2,724,327 km (0.084 R)
• M6: 3,267,068 km (0.073 R)
• M7: 4,187,394 km (0.056 R)
• M8: 4,698,121 km (0.119 R)
• M9: 5,554,419 km (0.082 R)
• M10: 7,725,234 km (0.119 R)
• M11: 8,624,916 km (0.087 R)
• M12: 10,266,154 km (0.118 R)
• M13: 13,713,038 km (0.116 R)
• M14: 14,203,570 km (0.114 R)
• M15: 14,937,796 km (0.096 R)
• M16: 16,184,844 km (0.094 R)
• M17: 16,582,176 km (0.082 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: 392 - 16,871 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit