🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 358

Radius: 11.9

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.78 AU - 1.14 AU

Year: 649 Days

Day: 8 Hours

Environment

Temp: -165 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 40,478,013 km

• M1: 147,952 km (0.095 R)
• M2: 520,451 km (0.063 R)
• M3: 932,144 km (0.113 R)
• M4: 1,348,326 km (0.084 R)
• M5: 1,766,751 km (0.081 R)
• M6: 2,174,555 km (0.101 R)
• M7: 2,716,847 km (0.119 R)
• M8: 3,312,546 km (0.104 R)
• M9: 4,528,028 km (0.069 R)
• M10: 5,189,251 km (0.113 R)
• M11: 5,722,418 km (0.048 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 735.7

Radius: 10

Gravity: 7.36 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.1 AU - 1.22 AU

Year: 862 Days

Day: 10.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 40,478,013 km

• M1: 124,316 km (0.114 R)
• M2: 455,077 km (0.075 R)
• M3: 840,142 km (0.12 R)
• M4: 1,176,737 km (0.107 R)
• M5: 1,655,300 km (0.101 R)
• M6: 2,281,517 km (0.048 R)
• M7: 2,956,054 km (0.117 R)
• M8: 3,340,520 km (0.101 R)
• M9: 3,803,376 km (0.098 R)
• M10: 4,210,582 km (0.108 R)
• M11: 4,560,641 km (0.042 R)
• M12: 5,150,355 km (0.106 R)
• M13: 6,014,582 km (0.12 R)
• M14: 6,972,757 km (0.079 R)
• M15: 7,904,452 km (0.105 R)
• M16: 8,283,982 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 475.6

Radius: 10.7

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.22 AU - 1.48 AU

Year: 1083 Days

Day: 11.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 40,478,013 km

• M1: 133,142 km (0.089 R)
• M2: 526,884 km (0.117 R)
• M3: 982,409 km (0.112 R)
• M4: 1,387,071 km (0.107 R)
• M5: 1,903,334 km (0.117 R)
• M6: 2,399,251 km (0.093 R)
• M7: 2,768,608 km (0.076 R)
• M8: 3,270,359 km (0.085 R)
• M9: 3,862,617 km (0.105 R)
• M10: 4,662,816 km (0.112 R)
• M11: 5,648,965 km (0.064 R)
• M12: 6,394,561 km (0.06 R)
• M13: 7,417,362 km (0.111 R)
• M14: 9,359,441 km (0.051 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 215.1

Radius: 10.8

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.75 AU - 1.95 AU

Year: 1737 Days

Day: 12.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 40,478,013 km

• M1: 144,362 km (0.054 R)
• M2: 559,795 km (0.098 R)
• M3: 1,064,688 km (0.06 R)
• M4: 1,430,904 km (0.107 R)
• M5: 2,507,859 km (0.113 R)
• M6: 4,407,303 km (0.076 R)
• M7: 4,883,473 km (0.1 R)
• M8: 6,002,615 km (0.11 R)
• M9: 9,524,747 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 50.1

Radius: 11.9

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 2.36 AU - 2.52 AU

Year: 2631 Days

Day: 14.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 40,478,013 km

• M1: 148,401 km (0.1 R)
• M2: 1,807,890 km (0.118 R)
• M3: 2,306,650 km (0.083 R)
• M4: 2,873,027 km (0.103 R)
• M5: 4,117,681 km (0.075 R)
• M6: 5,599,747 km (0.033 R)
• M7: 6,990,409 km (0.032 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689.9

Radius: 12.2

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 3.27 AU - 4.37 AU

Year: 5154 Days

Day: 11.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 40,478,013 km

• M1: 152,739 km (0.108 R)
• M2: 609,163 km (0.097 R)
• M3: 1,149,360 km (0.084 R)
• M4: 1,597,556 km (0.082 R)
• M5: 2,300,965 km (0.107 R)
• M6: 2,787,457 km (0.117 R)
• M7: 3,301,924 km (0.065 R)
• M8: 4,398,626 km (0.086 R)
• M9: 5,843,143 km (0.081 R)
• M10: 7,230,813 km (0.08 R)
• M11: 8,436,722 km (0.027 R)
• M12: 11,058,574 km (0.054 R)
• M13: 13,325,580 km (0.09 R)
• M14: 15,189,270 km (0.043 R)
• M15: 16,849,807 km (0.079 R)
• M16: 17,787,785 km (0.11 R)
• M17: 21,095,095 km (0.084 R)
• M18: 22,332,419 km (0.038 R)
• M19: 22,780,465 km (0.033 R)
• M20: 24,317,583 km (0.069 R)
• M21: 27,172,209 km (0.091 R)
• M22: 27,683,086 km (0.058 R)
• M23: 28,636,324 km (0.111 R)
• M24: 29,165,451 km (0.099 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 922.1

Radius: 13

Gravity: 5.46 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 3.78 AU - 5.96 AU

Year: 7418 Days

Day: 9.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 40,478,013 km

• M1: 203,603 km (0.03 R)
• M2: 680,521 km (0.111 R)
• M3: 1,215,483 km (0.08 R)
• M4: 2,947,826 km (0.113 R)
• M5: 4,020,892 km (0.098 R)
• M6: 6,594,573 km (0.054 R)
• M7: 8,079,781 km (0.049 R)
• M8: 11,330,244 km (0.11 R)
• M9: 12,303,976 km (0.12 R)
• M10: 14,356,309 km (0.067 R)
• M11: 16,833,052 km (0.116 R)
• M12: 18,100,445 km (0.075 R)
• M13: 19,430,519 km (0.072 R)
• M14: 22,036,814 km (0.088 R)
• M15: 25,317,345 km (0.071 R)
• M16: 26,510,687 km (0.101 R)
• M17: 28,419,407 km (0.079 R)
• M18: 32,295,488 km (0.026 R)
• M19: 33,918,026 km (0.12 R)
• M20: 34,582,091 km (0.112 R)
• M21: 38,990,890 km (0.039 R)
• M22: 39,842,102 km (0.094 R)
• M23: 41,455,515 km (0.106 R)
• M24: 42,087,566 km (0.111 R)
• M25: 42,597,844 km (0.099 R)

Asteroid Belt

Center: 5.72 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 6.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 306.7

Radius: 3.8

Gravity: 21.24 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 6.5 AU - 6.62 AU

Year: 11598 Days

Day: 22.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 40,478,013 km

• M1: 53,556 km (0.062 R)
• M2: 192,084 km (0.087 R)
• M3: 337,942 km (0.087 R)
• M4: 466,147 km (0.069 R)
• M5: 620,233 km (0.058 R)
• M6: 791,223 km (0.087 R)
• M7: 1,275,172 km (0.076 R)
• M8: 3,085,755 km (0.09 R)
• M9: 3,562,224 km (0.088 R)
• M10: 3,906,150 km (0.099 R)
• M11: 4,191,583 km (0.106 R)
• M12: 5,285,293 km (0.102 R)
• M13: 5,897,746 km (0.036 R)
• M14: 7,378,167 km (0.083 R)
• M15: 8,141,565 km (0.1 R)
• M16: 8,780,348 km (0.112 R)
• M17: 11,150,576 km (0.099 R)
• M18: 11,460,842 km (0.087 R)
• M19: 11,618,219 km (0.094 R)
• M20: 11,776,943 km (0.042 R)
• M21: 13,156,684 km (0.111 R)
• M22: 15,582,413 km (0.107 R)
• M23: 15,710,918 km (0.106 R)
• M24: 22,832,375 km (0.091 R)
• M25: 25,317,495 km (0.119 R)
• M26: 26,033,620 km (0.104 R)
• M27: 26,947,364 km (0.077 R)
• M28: 27,412,314 km (0.096 R)
• M29: 29,227,534 km (0.098 R)
• M30: 32,150,228 km (0.089 R)
• M31: 36,492,755 km (0.112 R)
• M32: 39,039,958 km (0.086 R)
• M33: 39,994,841 km (0.09 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 335 - 13,990 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit