🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 443.7

Radius: 13.7

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.65 AU - 0.85 AU

Year: 426 Days

Day: 12.3 Hours

Environment

Temp: -138 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 32,456,075 km

• M1: 170,841 km (0.039 R)
• M2: 604,076 km (0.113 R)
• M3: 1,085,333 km (0.075 R)
• M4: 1,519,166 km (0.046 R)
• M5: 2,025,854 km (0.092 R)
• M6: 2,673,613 km (0.11 R)
• M7: 3,258,391 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 591.1

Radius: 10.4

Gravity: 5.47 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.57 AU - 0.95 AU

Year: 435 Days

Day: 5.9 Hours

Environment

Temp: -142 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 32,456,075 km

• M1: 130,001 km (0.069 R)
• M2: 537,655 km (0.089 R)
• M3: 891,005 km (0.066 R)
• M4: 1,809,536 km (0.094 R)
• M5: 2,983,281 km (0.108 R)
• M6: 3,562,374 km (0.032 R)
• M7: 4,338,039 km (0.101 R)
• M8: 4,692,885 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 789

Radius: 9.1

Gravity: 9.53 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.34 AU - 2.16 AU

Year: 1519 Days

Day: 6.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 32,456,075 km

• M1: 114,442 km (0.108 R)
• M2: 484,847 km (0.109 R)
• M3: 873,502 km (0.115 R)
• M4: 1,249,142 km (0.084 R)
• M5: 1,595,760 km (0.076 R)
• M6: 1,951,504 km (0.11 R)
• M7: 2,335,073 km (0.105 R)
• M8: 2,618,412 km (0.042 R)
• M9: 2,983,131 km (0.095 R)
• M10: 3,333,789 km (0.056 R)
• M11: 4,633,944 km (0.094 R)
• M12: 5,520,311 km (0.118 R)
• M13: 6,171,361 km (0.089 R)
• M14: 6,540,569 km (0.097 R)
• M15: 7,542,725 km (0.103 R)
• M16: 8,857,840 km (0.101 R)
• M17: 9,392,502 km (0.055 R)
• M18: 9,915,197 km (0.025 R)
• M19: 10,388,226 km (0.102 R)
• M20: 10,911,818 km (0.056 R)
• M21: 11,785,919 km (0.109 R)
• M22: 12,355,587 km (0.066 R)
• M23: 12,784,933 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 936.6

Radius: 10.9

Gravity: 7.88 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.75 AU - 2.21 AU

Year: 1828 Days

Day: 5.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 32,456,075 km

• M1: 135,984 km (0.081 R)
• M2: 512,672 km (0.092 R)
• M3: 896,091 km (0.112 R)
• M4: 1,239,867 km (0.087 R)
• M5: 1,934,450 km (0.091 R)
• M6: 3,041,474 km (0.111 R)
• M7: 3,644,503 km (0.05 R)
• M8: 4,012,963 km (0.104 R)
• M9: 5,044,739 km (0.078 R)
• M10: 5,410,057 km (0.043 R)
• M11: 6,667,128 km (0.118 R)
• M12: 7,249,513 km (0.041 R)
• M13: 8,838,841 km (0.066 R)
• M14: 9,337,600 km (0.037 R)
• M15: 9,750,041 km (0.095 R)
• M16: 10,138,846 km (0.041 R)
• M17: 10,537,973 km (0.057 R)
• M18: 13,458,572 km (0.095 R)
• M19: 13,985,606 km (0.092 R)
• M20: 14,848,187 km (0.091 R)
• M21: 15,268,856 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.7

Radius: 14.7

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.73 AU - 2.33 AU

Year: 1897 Days

Day: 5.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 32,456,075 km

• M1: 182,809 km (0.1 R)
• M2: 672,143 km (0.079 R)
• M3: 1,321,248 km (0.104 R)
• M4: 1,895,555 km (0.108 R)
• M5: 2,662,842 km (0.093 R)
• M6: 3,388,093 km (0.079 R)
• M7: 4,242,745 km (0.061 R)
• M8: 5,475,731 km (0.058 R)
• M9: 6,284,457 km (0.031 R)
• M10: 7,494,704 km (0.05 R)
• M11: 9,071,316 km (0.048 R)
• M12: 10,719,585 km (0.106 R)
• M13: 11,688,830 km (0.078 R)
• M14: 12,598,833 km (0.048 R)
• M15: 13,111,057 km (0.09 R)
• M16: 14,262,063 km (0.074 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 869

Radius: 9.2

Gravity: 10.27 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 3.97 AU - 3.97 AU

Year: 5189 Days

Day: 8.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 32,456,075 km

• M1: 116,387 km (0.099 R)
• M2: 515,365 km (0.066 R)
• M3: 989,291 km (0.045 R)
• M4: 1,975,889 km (0.097 R)
• M5: 3,830,603 km (0.097 R)
• M6: 5,730,945 km (0.095 R)
• M7: 6,169,267 km (0.094 R)
• M8: 6,903,044 km (0.104 R)
• M9: 8,705,100 km (0.088 R)
• M10: 11,179,898 km (0.112 R)
• M11: 12,269,269 km (0.109 R)
• M12: 14,889,177 km (0.097 R)
• M13: 15,658,260 km (0.044 R)
• M14: 16,640,968 km (0.082 R)
• M15: 21,428,399 km (0.068 R)
• M16: 22,027,987 km (0.118 R)
• M17: 23,894,221 km (0.102 R)
• M18: 24,947,988 km (0.069 R)
• M19: 26,887,674 km (0.106 R)
• M20: 29,843,429 km (0.095 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.8

Radius: 14.3

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 3.71 AU - 4.39 AU

Year: 5347 Days

Day: 13.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 131.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 32,456,075 km

• M1: 178,021 km (0.096 R)
• M2: 790,026 km (0.063 R)
• M3: 1,563,597 km (0.071 R)
• M4: 2,105,440 km (0.116 R)
• M5: 2,593,279 km (0.103 R)
• M6: 3,321,372 km (0.11 R)
• M7: 3,895,678 km (0.075 R)
• M8: 6,060,509 km (0.098 R)
• M9: 6,958,096 km (0.069 R)
• M10: 7,530,757 km (0.066 R)
• M11: 8,212,624 km (0.106 R)
• M12: 9,143,422 km (0.111 R)
• M13: 10,740,529 km (0.118 R)
• M14: 13,311,967 km (0.076 R)
• M15: 13,805,191 km (0.12 R)
• M16: 14,828,141 km (0.106 R)
• M17: 16,270,264 km (0.093 R)
• M18: 17,346,920 km (0.106 R)
• M19: 18,002,159 km (0.069 R)
• M20: 19,362,153 km (0.089 R)
• M21: 20,067,507 km (0.094 R)
• M22: 21,305,579 km (0.072 R)
• M23: 22,517,023 km (0.044 R)
• M24: 23,534,587 km (0.08 R)
• M25: 26,772,035 km (0.05 R)
• M26: 28,723,689 km (0.086 R)
• M27: 29,548,721 km (0.039 R)
• M28: 30,201,417 km (0.11 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 412.4

Radius: 11.5

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 4.26 AU - 5.6 AU

Year: 7181 Days

Day: 12.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 32,456,075 km

• M1: 143,315 km (0.114 R)
• M2: 765,044 km (0.088 R)
• M3: 2,134,462 km (0.034 R)
• M4: 2,606,145 km (0.092 R)
• M5: 4,505,439 km (0.096 R)
• M6: 7,956,512 km (0.073 R)
• M7: 11,037,480 km (0.063 R)
• M8: 18,287,293 km (0.1 R)
• M9: 20,767,775 km (0.106 R)
• M10: 22,693,099 km (0.12 R)
• M11: 24,654,178 km (0.092 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: 426 - 16,161 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit