🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 464

Radius: 11.8

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.65 AU - 0.77 AU

Year: 399 Days

Day: 8.1 Hours

Environment

Temp: -158 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 23,626,430 km

• M1: 148,850 km (0.072 R)
• M2: 798,105 km (0.085 R)
• M3: 1,294,171 km (0.071 R)
• M4: 1,686,118 km (0.112 R)
• M5: 2,055,475 km (0.078 R)
• M6: 2,662,094 km (0.036 R)
• M7: 3,085,306 km (0.057 R)
• M8: 3,519,589 km (0.093 R)
• M9: 4,689,744 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 615

Radius: 12.5

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.88 AU - 1.22 AU

Year: 717 Days

Day: 10.8 Hours

Environment

Temp: -170 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 23,626,430 km

• M1: 156,330 km (0.117 R)
• M2: 585,077 km (0.077 R)
• M3: 1,275,471 km (0.073 R)
• M4: 1,897,799 km (0.105 R)
• M5: 4,316,048 km (0.047 R)
• M6: 4,997,317 km (0.039 R)
• M7: 6,152,811 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 553.1

Radius: 11.5

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.23 AU - 1.67 AU

Year: 1164 Days

Day: 11.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 23,626,430 km

• M1: 154,834 km (0.12 R)
• M2: 527,183 km (0.084 R)
• M3: 1,119,142 km (0.11 R)
• M4: 2,844,155 km (0.057 R)
• M5: 3,301,027 km (0.071 R)
• M6: 4,078,487 km (0.114 R)
• M7: 4,626,015 km (0.101 R)
• M8: 7,470,469 km (0.115 R)
• M9: 7,925,695 km (0.118 R)
• M10: 8,561,486 km (0.089 R)
• M11: 9,345,828 km (0.056 R)
• M12: 9,934,944 km (0.061 R)
• M13: 10,423,980 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 274.4

Radius: 14.3

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 2.61 AU - 2.69 AU

Year: 2877 Days

Day: 8 Hours

Environment

Temp: -206 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 23,626,430 km

• M1: 178,321 km (0.056 R)
• M2: 695,481 km (0.053 R)
• M3: 1,537,268 km (0.072 R)
• M4: 2,380,252 km (0.106 R)
• M5: 3,911,536 km (0.118 R)
• M6: 4,755,417 km (0.049 R)
• M7: 5,930,060 km (0.116 R)
• M8: 6,420,741 km (0.1 R)
• M9: 8,147,250 km (0.062 R)
• M10: 8,786,481 km (0.08 R)
• M11: 10,028,592 km (0.076 R)
• M12: 11,913,974 km (0.119 R)
• M13: 12,738,857 km (0.07 R)
• M14: 13,643,625 km (0.093 R)
• M15: 15,306,854 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 439

Radius: 12

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 2.44 AU - 3.18 AU

Year: 3141 Days

Day: 10.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 23,626,430 km

• M1: 149,299 km (0.087 R)
• M2: 692,189 km (0.078 R)
• M3: 1,841,550 km (0.118 R)
• M4: 2,677,353 km (0.093 R)
• M5: 3,132,729 km (0.115 R)
• M6: 6,028,345 km (0.087 R)
• M7: 7,162,447 km (0.105 R)
• M8: 9,106,172 km (0.087 R)
• M9: 9,886,624 km (0.082 R)
• M10: 15,242,527 km (0.036 R)
• M11: 18,091,469 km (0.045 R)
• M12: 19,039,620 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 304.1

Radius: 14.5

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 2.36 AU - 3.4 AU

Year: 3259 Days

Day: 10.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 23,626,430 km

• M1: 180,415 km (0.117 R)
• M2: 915,090 km (0.109 R)
• M3: 1,773,333 km (0.083 R)
• M4: 2,271,494 km (0.04 R)
• M5: 2,731,657 km (0.104 R)
• M6: 3,254,801 km (0.092 R)
• M7: 4,404,461 km (0.12 R)
• M8: 6,339,958 km (0.063 R)
• M9: 7,012,699 km (0.115 R)
• M10: 7,792,553 km (0.071 R)
• M11: 8,565,675 km (0.113 R)
• M12: 9,423,319 km (0.115 R)
• M13: 9,979,225 km (0.118 R)
• M14: 12,673,333 km (0.043 R)
• M15: 16,309,758 km (0.076 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 254.4

Radius: 11.8

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 3.49 AU - 4.85 AU

Year: 5679 Days

Day: 10.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 23,626,430 km

• M1: 146,756 km (0.101 R)
• M2: 578,794 km (0.041 R)
• M3: 1,037,461 km (0.066 R)
• M4: 1,660,686 km (0.059 R)
• M5: 2,759,632 km (0.035 R)
• M6: 6,866,393 km (0.103 R)
• M7: 7,496,948 km (0.116 R)
• M8: 9,507,842 km (0.113 R)
• M9: 11,899,912 km (0.062 R)
• M10: 13,427,007 km (0.119 R)
• M11: 13,964,064 km (0.104 R)
• M12: 14,925,380 km (0.105 R)
• M13: 16,421,807 km (0.103 R)
• M14: 18,015,922 km (0.051 R)
• M15: 19,154,960 km (0.115 R)
• M16: 22,178,034 km (0.092 R)
• M17: 23,345,795 km (0.11 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: 355 - 14,230 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit