🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 82.9

Radius: 9.4

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.86 AU - 1.12 AU

Year: 646 Days

Day: 7.9 Hours

Environment

Temp: -150 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 10,096,040 km

• M1: 116,986 km (0.096 R)
• M2: 445,203 km (0.04 R)
• M3: 846,574 km (0.09 R)
• M4: 1,622,688 km (0.102 R)
• M5: 1,948,662 km (0.113 R)
• M6: 2,279,273 km (0.098 R)
• M7: 2,823,959 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 100.3

Radius: 8.1

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.16 AU - 1.28 AU

Year: 884 Days

Day: 5.5 Hours

Environment

Temp: -175 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 10,096,040 km

• M1: 100,979 km (0.082 R)
• M2: 431,889 km (0.105 R)
• M3: 714,779 km (0.078 R)
• M4: 977,472 km (0.074 R)
• M5: 1,487,601 km (0.118 R)
• M6: 2,004,013 km (0.087 R)
• M7: 2,343,600 km (0.085 R)
• M8: 2,616,018 km (0.1 R)
• M9: 2,869,287 km (0.064 R)
• M10: 3,694,020 km (0.112 R)
• M11: 4,233,470 km (0.115 R)
• M12: 4,925,510 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 699.6

Radius: 11.3

Gravity: 5.48 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 2.05 AU - 2.47 AU

Year: 2229 Days

Day: 9.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 10,096,040 km

• M1: 140,622 km (0.086 R)
• M2: 522,845 km (0.09 R)
• M3: 1,200,972 km (0.114 R)
• M4: 1,854,116 km (0.109 R)
• M5: 2,367,536 km (0.115 R)
• M6: 3,085,456 km (0.094 R)
• M7: 3,701,201 km (0.082 R)
• M8: 4,097,186 km (0.038 R)
• M9: 4,542,390 km (0.074 R)
• M10: 5,340,943 km (0.11 R)
• M11: 6,024,755 km (0.119 R)
• M12: 9,120,085 km (0.086 R)
• M13: 9,530,731 km (0.065 R)
• M14: 10,799,769 km (0.077 R)
• M15: 13,848,724 km (0.109 R)
• M16: 14,300,509 km (0.074 R)
• M17: 14,996,887 km (0.117 R)
• M18: 16,207,284 km (0.043 R)
• M19: 17,744,701 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 276

Radius: 10.6

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 2.72 AU - 3.3 AU

Year: 3426 Days

Day: 10.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 10,096,040 km

• M1: 131,796 km (0.091 R)
• M2: 481,855 km (0.084 R)
• M3: 888,462 km (0.08 R)
• M4: 1,266,047 km (0.076 R)
• M5: 1,894,956 km (0.08 R)
• M6: 2,269,101 km (0.066 R)
• M7: 2,810,495 km (0.09 R)
• M8: 3,250,762 km (0.059 R)
• M9: 5,492,935 km (0.118 R)
• M10: 6,159,244 km (0.098 R)
• M11: 6,525,459 km (0.1 R)
• M12: 7,742,587 km (0.041 R)
• M13: 8,326,169 km (0.098 R)
• M14: 10,074,369 km (0.092 R)
• M15: 12,095,437 km (0.103 R)
• M16: 13,570,023 km (0.112 R)
• M17: 16,124,257 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 358.9

Radius: 13

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 3.16 AU - 3.86 AU

Year: 4314 Days

Day: 11.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 10,096,040 km

• M1: 162,014 km (0.064 R)
• M2: 622,178 km (0.1 R)
• M3: 1,068,877 km (0.093 R)
• M4: 1,480,869 km (0.115 R)
• M5: 2,629,332 km (0.082 R)
• M6: 4,028,371 km (0.112 R)
• M7: 6,231,649 km (0.099 R)
• M8: 7,200,744 km (0.12 R)
• M9: 7,705,637 km (0.065 R)
• M10: 8,335,893 km (0.064 R)
• M11: 8,786,631 km (0.119 R)
• M12: 17,270,775 km (0.055 R)
• M13: 20,460,052 km (0.03 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 972.4

Radius: 9.1

Gravity: 11.74 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 3.24 AU - 4 AU

Year: 4518 Days

Day: 11.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 10,096,040 km

• M1: 113,395 km (0.069 R)
• M2: 410,048 km (0.106 R)
• M3: 868,116 km (0.103 R)
• M4: 1,269,787 km (0.073 R)
• M5: 1,563,447 km (0.065 R)
• M6: 2,291,540 km (0.108 R)
• M7: 3,332,293 km (0.097 R)
• M8: 3,946,691 km (0.056 R)
• M9: 4,380,226 km (0.117 R)
• M10: 4,899,031 km (0.115 R)
• M11: 5,634,155 km (0.042 R)
• M12: 7,112,332 km (0.105 R)
• M13: 7,429,329 km (0.085 R)
• M14: 8,995,021 km (0.12 R)
• M15: 10,632,369 km (0.115 R)
• M16: 11,425,537 km (0.09 R)
• M17: 12,560,985 km (0.089 R)
• M18: 13,394,096 km (0.116 R)
• M19: 16,601,175 km (0.111 R)
• M20: 17,925,565 km (0.087 R)
• M21: 19,523,719 km (0.106 R)
• M22: 19,868,243 km (0.075 R)
• M23: 22,095,905 km (0.086 R)
• M24: 23,154,609 km (0.087 R)
• M25: 24,644,903 km (0.094 R)
• M26: 25,536,357 km (0.114 R)
• M27: 27,728,713 km (0.096 R)
• M28: 29,318,191 km (0.118 R)
• M29: 31,719,985 km (0.097 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21.9

Radius: 14.2

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 4 AU - 4.16 AU

Year: 5406 Days

Day: 8.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 10,096,040 km

• M1: 192,084 km (0.119 R)
• M2: 801,994 km (0.097 R)
• M3: 2,102,000 km (0.093 R)
• M4: 4,261,744 km (0.085 R)
• M5: 5,030,228 km (0.085 R)
• M6: 5,746,503 km (0.112 R)
• M7: 7,264,173 km (0.073 R)
• M8: 8,843,478 km (0.116 R)
• M9: 9,370,511 km (0.079 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 468 - 11,759 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit