🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 258.4

Radius: 10.4

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.46 AU - 0.62 AU

Year: 279 Days

Day: 9.7 Hours

Environment

Temp: -149 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 54,781,757 km

• M1: 129,402 km (0.077 R)
• M2: 484,548 km (0.066 R)
• M3: 840,142 km (0.111 R)
• M4: 1,251,087 km (0.101 R)
• M5: 1,641,837 km (0.106 R)
• M6: 2,587,445 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 563.2

Radius: 12.2

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.48 AU - 0.66 AU

Year: 302 Days

Day: 7.2 Hours

Environment

Temp: -146 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 54,781,757 km

• M1: 151,692 km (0.103 R)
• M2: 643,720 km (0.107 R)
• M3: 1,144,873 km (0.064 R)
• M4: 1,582,596 km (0.085 R)
• M5: 2,118,007 km (0.108 R)
• M6: 2,941,693 km (0.113 R)
• M7: 3,624,457 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 103.6

Radius: 13.7

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.24 AU - 1.8 AU

Year: 1317 Days

Day: 9.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 54,781,757 km

• M1: 170,392 km (0.101 R)
• M2: 611,107 km (0.071 R)
• M3: 1,091,765 km (0.093 R)
• M4: 1,661,284 km (0.085 R)
• M5: 2,323,405 km (0.089 R)
• M6: 3,708,830 km (0.077 R)
• M7: 4,224,644 km (0.069 R)
• M8: 4,881,678 km (0.078 R)
• M9: 5,452,394 km (0.05 R)
• M10: 6,122,143 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 748.5

Radius: 10.4

Gravity: 6.92 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.38 AU - 1.82 AU

Year: 1423 Days

Day: 6.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 54,781,757 km

• M1: 129,552 km (0.111 R)
• M2: 777,311 km (0.092 R)
• M3: 1,295,667 km (0.075 R)
• M4: 2,158,398 km (0.101 R)
• M5: 2,769,805 km (0.049 R)
• M6: 3,139,012 km (0.042 R)
• M7: 4,300,640 km (0.058 R)
• M8: 4,979,515 km (0.059 R)
• M9: 5,506,997 km (0.091 R)
• M10: 6,071,430 km (0.117 R)
• M11: 6,501,523 km (0.079 R)
• M12: 7,693,370 km (0.058 R)
• M13: 8,226,088 km (0.092 R)
• M14: 9,491,387 km (0.062 R)
• M15: 11,410,129 km (0.073 R)
• M16: 12,029,165 km (0.043 R)
• M17: 13,019,353 km (0.116 R)
• M18: 13,374,498 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 281.8

Radius: 10.4

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.72 AU - 1.82 AU

Year: 1655 Days

Day: 11 Hours

Environment

Temp: -188 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 54,781,757 km

• M1: 129,402 km (0.039 R)
• M2: 493,823 km (0.12 R)
• M3: 944,411 km (0.116 R)
• M4: 1,648,269 km (0.1 R)
• M5: 2,310,090 km (0.11 R)
• M6: 3,265,871 km (0.102 R)
• M7: 3,724,688 km (0.045 R)
• M8: 4,175,576 km (0.115 R)
• M9: 4,698,869 km (0.043 R)
• M10: 5,504,753 km (0.08 R)
• M11: 6,178,542 km (0.098 R)
• M12: 6,535,632 km (0.115 R)
• M13: 7,121,307 km (0.091 R)
• M14: 7,844,015 km (0.116 R)
• M15: 10,061,803 km (0.093 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 609.9

Radius: 7.2

Gravity: 11.77 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 5.03 AU - 6.27 AU

Year: 9440 Days

Day: 21.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 54,781,757 km

• M1: 89,609 km (0.078 R)
• M2: 398,080 km (0.03 R)
• M3: 1,333,665 km (0.081 R)
• M4: 1,623,885 km (0.1 R)
• M5: 1,923,978 km (0.119 R)
• M6: 2,616,766 km (0.066 R)
• M7: 3,119,564 km (0.09 R)
• M8: 4,206,393 km (0.095 R)
• M9: 4,865,820 km (0.087 R)
• M10: 5,173,244 km (0.106 R)
• M11: 6,173,904 km (0.096 R)
• M12: 7,417,511 km (0.075 R)
• M13: 10,141,688 km (0.113 R)
• M14: 11,698,853 km (0.102 R)
• M15: 12,879,479 km (0.116 R)
• M16: 13,709,598 km (0.062 R)
• M17: 16,209,378 km (0.08 R)
• M18: 20,944,300 km (0.111 R)
• M19: 21,348,963 km (0.103 R)
• M20: 25,229,083 km (0.106 R)
• M21: 30,166,411 km (0.071 R)
• M22: 30,682,673 km (0.12 R)
• M23: 31,309,787 km (0.1 R)
• M24: 33,024,029 km (0.035 R)
• M25: 35,596,514 km (0.094 R)
• M26: 37,226,084 km (0.071 R)
• M27: 37,700,608 km (0.089 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 760.6

Radius: 7.8

Gravity: 12.5 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 6.01 AU - 6.95 AU

Year: 11595 Days

Day: 15.1 Hours

Environment

Temp: -238 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 54,781,757 km

• M1: 97,089 km (0.088 R)
• M2: 410,646 km (0.093 R)
• M3: 663,616 km (0.094 R)
• M4: 1,403,378 km (0.101 R)
• M5: 1,806,245 km (0.056 R)
• M6: 2,362,150 km (0.092 R)
• M7: 3,027,113 km (0.1 R)
• M8: 5,146,915 km (0.068 R)
• M9: 6,069,485 km (0.104 R)
• M10: 7,479,744 km (0.091 R)
• M11: 7,875,131 km (0.059 R)
• M12: 9,096,299 km (0.12 R)
• M13: 12,387,751 km (0.113 R)
• M14: 13,256,466 km (0.1 R)
• M15: 16,691,831 km (0.085 R)
• M16: 17,291,569 km (0.086 R)
• M17: 18,139,639 km (0.076 R)
• M18: 19,835,182 km (0.065 R)
• M19: 20,678,614 km (0.101 R)
• M20: 21,457,870 km (0.06 R)
• M21: 31,252,192 km (0.049 R)
• M22: 32,740,990 km (0.111 R)
• M23: 39,170,258 km (0.049 R)
• M24: 41,578,185 km (0.118 R)
• M25: 44,083,052 km (0.118 R)
• M26: 44,796,334 km (0.103 R)
• M27: 45,372,436 km (0.117 R)
• M28: 48,026,452 km (0.102 R)
• M29: 51,723,613 km (0.066 R)
• M30: 54,291,012 km (0.053 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 353 - 17,186 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit