🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.8 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 773

Radius: 14.8

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.48 AU - 1.72 AU

Year: 1373 Days

Day: 13 Hours

Environment

Temp: -203 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 59,107,448 km

• M1: 184,005 km (0.042 R)
• M2: 954,883 km (0.099 R)
• M3: 1,433,896 km (0.08 R)
• M4: 1,910,963 km (0.095 R)
• M5: 2,410,620 km (0.063 R)
• M6: 3,069,599 km (0.088 R)
• M7: 3,552,949 km (0.094 R)
• M8: 4,656,533 km (0.094 R)
• M9: 8,113,141 km (0.08 R)
• M10: 10,052,229 km (0.082 R)
• M11: 10,581,955 km (0.117 R)
• M12: 11,305,560 km (0.081 R)
• M13: 11,915,321 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329.6

Radius: 12.3

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.56 AU - 2.42 AU

Year: 1904 Days

Day: 11 Hours

Environment

Temp: -204 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 59,107,448 km

• M1: 154,086 km (0.074 R)
• M2: 540,348 km (0.063 R)
• M3: 1,102,237 km (0.101 R)
• M4: 1,762,562 km (0.101 R)
• M5: 2,229,307 km (0.096 R)
• M6: 2,649,079 km (0.049 R)
• M7: 3,929,038 km (0.086 R)
• M8: 5,028,284 km (0.1 R)
• M9: 5,458,228 km (0.058 R)
• M10: 5,846,135 km (0.09 R)
• M11: 7,326,855 km (0.113 R)
• M12: 7,827,110 km (0.092 R)
• M13: 8,322,130 km (0.03 R)
• M14: 10,383,588 km (0.084 R)
• M15: 11,886,897 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 259.4

Radius: 13.3

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 2.28 AU - 2.32 AU

Year: 2366 Days

Day: 11.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 59,107,448 km

• M1: 165,455 km (0.076 R)
• M2: 598,691 km (0.102 R)
• M3: 1,022,801 km (0.04 R)
• M4: 1,578,258 km (0.105 R)
• M5: 2,344,947 km (0.077 R)
• M6: 3,066,308 km (0.11 R)
• M7: 4,087,762 km (0.077 R)
• M8: 6,216,091 km (0.051 R)
• M9: 6,797,278 km (0.089 R)
• M10: 7,230,813 km (0.083 R)
• M11: 8,911,246 km (0.106 R)
• M12: 10,299,664 km (0.078 R)
• M13: 12,608,408 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 673.2

Radius: 9.5

Gravity: 7.46 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 3.17 AU - 3.23 AU

Year: 3883 Days

Day: 5.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 59,107,448 km

• M1: 118,482 km (0.093 R)
• M2: 498,610 km (0.096 R)
• M3: 1,110,315 km (0.106 R)
• M4: 1,449,454 km (0.118 R)
• M5: 1,948,662 km (0.104 R)
• M6: 2,403,290 km (0.038 R)
• M7: 3,350,095 km (0.099 R)
• M8: 3,855,287 km (0.072 R)
• M9: 4,719,813 km (0.077 R)
• M10: 5,094,855 km (0.102 R)
• M11: 5,462,566 km (0.114 R)
• M12: 7,083,010 km (0.113 R)
• M13: 7,744,831 km (0.068 R)
• M14: 8,339,333 km (0.096 R)
• M15: 10,598,710 km (0.065 R)
• M16: 12,850,457 km (0.113 R)
• M17: 13,434,936 km (0.103 R)
• M18: 13,784,097 km (0.071 R)
• M19: 15,187,774 km (0.103 R)
• M20: 17,439,222 km (0.079 R)
• M21: 20,358,325 km (0.09 R)
• M22: 20,952,379 km (0.107 R)
• M23: 21,489,884 km (0.112 R)
• M24: 24,612,889 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202.6

Radius: 9.4

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 3.27 AU - 4.81 AU

Year: 5508 Days

Day: 12 Hours

Environment

Temp: -212 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 59,107,448 km

• M1: 116,986 km (0.047 R)
• M2: 532,269 km (0.099 R)
• M3: 1,269,488 km (0.092 R)
• M4: 1,587,832 km (0.043 R)
• M5: 2,332,680 km (0.063 R)
• M6: 2,768,608 km (0.061 R)
• M7: 4,090,006 km (0.094 R)
• M8: 5,277,364 km (0.05 R)
• M9: 5,685,168 km (0.106 R)
• M10: 6,031,936 km (0.087 R)
• M11: 6,709,614 km (0.063 R)
• M12: 8,976,919 km (0.119 R)
• M13: 10,479,929 km (0.079 R)
• M14: 10,840,011 km (0.114 R)
• M15: 12,675,727 km (0.089 R)
• M16: 15,161,744 km (0.116 R)
• M17: 16,789,369 km (0.083 R)
• M18: 21,076,246 km (0.088 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 112.2

Radius: 7.6

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 7.18 AU - 9.4 AU

Year: 16189 Days

Day: 24.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 59,107,448 km

• M1: 124,465 km (0.112 R)
• M2: 533,316 km (0.091 R)
• M3: 992,432 km (0.116 R)
• M4: 4,337,441 km (0.107 R)
• M5: 4,766,787 km (0.088 R)
• M6: 7,614,980 km (0.033 R)
• M7: 8,941,614 km (0.065 R)
• M8: 14,414,503 km (0.088 R)
• M9: 18,907,974 km (0.109 R)
• M10: 28,637,820 km (0.084 R)
• M11: 33,521,143 km (0.046 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 268.6

Radius: 3.5

Gravity: 21.93 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 7.96 AU - 12.3 AU

Year: 21868 Days

Day: 21.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 59,107,448 km

• M1: 43,533 km (0.049 R)
• M2: 198,816 km (0.118 R)
• M3: 323,580 km (0.096 R)
• M4: 734,376 km (0.08 R)
• M5: 955,332 km (0.055 R)
• M6: 1,142,629 km (0.115 R)
• M7: 1,425,219 km (0.076 R)
• M8: 1,686,566 km (0.053 R)
• M9: 1,872,068 km (0.039 R)
• M10: 2,663,740 km (0.091 R)
• M11: 2,776,387 km (0.039 R)
• M12: 3,084,110 km (0.055 R)
• M13: 3,656,022 km (0.093 R)
• M14: 3,967,186 km (0.084 R)
• M15: 5,318,803 km (0.106 R)
• M16: 5,534,074 km (0.087 R)
• M17: 5,717,930 km (0.089 R)
• M18: 6,214,894 km (0.038 R)
• M19: 7,971,023 km (0.09 R)
• M20: 8,205,443 km (0.04 R)
• M21: 8,541,590 km (0.093 R)
• M22: 9,189,797 km (0.107 R)
• M23: 9,552,123 km (0.072 R)
• M24: 11,807,610 km (0.083 R)
• M25: 15,095,323 km (0.037 R)
• M26: 15,892,530 km (0.076 R)
• M27: 16,114,683 km (0.116 R)
• M28: 18,370,469 km (0.071 R)
• M29: 19,615,722 km (0.104 R)
• M30: 24,466,133 km (0.112 R)
• M31: 33,693,629 km (0.084 R)
• M32: 38,270,576 km (0.093 R)
• M33: 44,259,577 km (0.092 R)
• M34: 59,107,465 km (0.117 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 409 - 19,346 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit