🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958.7

Radius: 14.4

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.58 AU - 0.6 AU

Year: 302 Days

Day: 5.3 Hours

Environment

Temp: -149 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 20,190,258 km

• M1: 179,069 km (0.119 R)
• M2: 727,644 km (0.069 R)
• M3: 1,459,178 km (0.037 R)
• M4: 2,948,574 km (0.066 R)
• M5: 3,804,274 km (0.098 R)
• M6: 4,706,947 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 592.5

Radius: 14.2

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.72 AU - 0.88 AU

Year: 477 Days

Day: 9.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 20,190,258 km

• M1: 176,675 km (0.115 R)
• M2: 697,425 km (0.089 R)
• M3: 1,320,351 km (0.114 R)
• M4: 2,050,987 km (0.091 R)
• M5: 3,084,708 km (0.099 R)
• M6: 3,872,939 km (0.091 R)
• M7: 5,113,554 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 417.8

Radius: 9.7

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.82 AU - 0.88 AU

Year: 523 Days

Day: 12.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 20,190,258 km

• M1: 120,576 km (0.105 R)
• M2: 460,761 km (0.064 R)
• M3: 871,408 km (0.113 R)
• M4: 1,376,749 km (0.034 R)
• M5: 1,778,270 km (0.103 R)
• M6: 2,810,794 km (0.06 R)
• M7: 3,164,593 km (0.102 R)
• M8: 3,897,623 km (0.08 R)
• M9: 4,201,905 km (0.118 R)
• M10: 4,593,851 km (0.088 R)
• M11: 5,102,634 km (0.037 R)
• M12: 5,484,108 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381

Radius: 10

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 2 AU - 2.8 AU

Year: 2479 Days

Day: 9.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 20,190,258 km

• M1: 124,316 km (0.055 R)
• M2: 448,794 km (0.069 R)
• M3: 769,232 km (0.071 R)
• M4: 1,292,526 km (0.08 R)
• M5: 1,696,141 km (0.098 R)
• M6: 2,007,603 km (0.092 R)
• M7: 2,344,797 km (0.112 R)
• M8: 2,664,188 km (0.076 R)
• M9: 3,474,710 km (0.093 R)
• M10: 3,910,339 km (0.099 R)
• M11: 5,172,346 km (0.068 R)
• M12: 5,671,405 km (0.075 R)
• M13: 7,392,080 km (0.104 R)
• M14: 11,263,074 km (0.099 R)
• M15: 11,908,439 km (0.104 R)
• M16: 12,699,064 km (0.1 R)
• M17: 14,340,901 km (0.032 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 343.1

Radius: 8

Gravity: 5.36 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 2.3 AU - 3.6 AU

Year: 3379 Days

Day: 5.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 20,190,258 km

• M1: 99,483 km (0.106 R)
• M2: 469,139 km (0.06 R)
• M3: 834,158 km (0.074 R)
• M4: 1,083,687 km (0.089 R)
• M5: 1,934,300 km (0.092 R)
• M6: 2,637,560 km (0.088 R)
• M7: 3,188,828 km (0.041 R)
• M8: 3,554,894 km (0.103 R)
• M9: 4,066,818 km (0.1 R)
• M10: 4,498,109 km (0.076 R)
• M11: 5,476,479 km (0.098 R)
• M12: 5,748,149 km (0.036 R)
• M13: 8,419,518 km (0.089 R)
• M14: 9,860,444 km (0.076 R)
• M15: 11,741,189 km (0.05 R)
• M16: 12,573,551 km (0.095 R)
• M17: 13,355,649 km (0.057 R)
• M18: 15,209,316 km (0.097 R)
• M19: 16,298,688 km (0.086 R)
• M20: 17,598,993 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 842.6

Radius: 10.3

Gravity: 7.94 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 2.42 AU - 3.56 AU

Year: 3448 Days

Day: 6.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 20,190,258 km

• M1: 128,355 km (0.056 R)
• M2: 466,745 km (0.085 R)
• M3: 820,096 km (0.096 R)
• M4: 1,214,585 km (0.1 R)
• M5: 1,784,703 km (0.057 R)
• M6: 2,139,549 km (0.055 R)
• M7: 3,065,859 km (0.049 R)
• M8: 3,953,872 km (0.076 R)
• M9: 4,954,532 km (0.034 R)
• M10: 5,500,863 km (0.046 R)
• M11: 6,144,882 km (0.088 R)
• M12: 6,901,249 km (0.087 R)
• M13: 8,097,882 km (0.102 R)
• M14: 9,196,529 km (0.086 R)
• M15: 9,662,826 km (0.03 R)
• M16: 11,687,782 km (0.037 R)
• M17: 14,702,479 km (0.09 R)
• M18: 15,941,897 km (0.025 R)
• M19: 16,786,826 km (0.072 R)
• M20: 17,959,524 km (0.104 R)
• M21: 21,873,752 km (0.056 R)
• M22: 23,630,330 km (0.102 R)
• M23: 25,177,022 km (0.093 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958.1

Radius: 9.5

Gravity: 10.62 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 2.63 AU - 3.71 AU

Year: 3764 Days

Day: 8.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 20,190,258 km

• M1: 120,875 km (0.092 R)
• M2: 527,332 km (0.119 R)
• M3: 907,610 km (0.111 R)
• M4: 1,270,684 km (0.085 R)
• M5: 1,859,202 km (0.045 R)
• M6: 2,345,994 km (0.111 R)
• M7: 2,653,717 km (0.084 R)
• M8: 3,292,649 km (0.11 R)
• M9: 3,765,977 km (0.119 R)
• M10: 4,427,050 km (0.052 R)
• M11: 4,722,506 km (0.071 R)
• M12: 5,861,993 km (0.073 R)
• M13: 6,279,969 km (0.092 R)
• M14: 8,301,036 km (0.091 R)
• M15: 9,459,223 km (0.08 R)
• M16: 13,373,750 km (0.116 R)
• M17: 13,994,133 km (0.086 R)
• M18: 14,418,392 km (0.115 R)
• M19: 16,906,803 km (0.053 R)
• M20: 18,378,398 km (0.03 R)
• M21: 18,887,330 km (0.06 R)
• M22: 20,000,039 km (0.117 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 295.5

Radius: 14.7

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 2.86 AU - 3.92 AU

Year: 4162 Days

Day: 8.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 20,190,258 km

• M1: 182,809 km (0.085 R)
• M2: 650,900 km (0.104 R)
• M3: 1,237,922 km (0.1 R)
• M4: 1,957,787 km (0.029 R)
• M5: 3,028,609 km (0.075 R)
• M6: 3,829,855 km (0.106 R)
• M7: 4,679,571 km (0.047 R)
• M8: 5,354,257 km (0.084 R)
• M9: 5,882,787 km (0.078 R)
• M10: 7,650,585 km (0.108 R)
• M11: 9,532,077 km (0.083 R)
• M12: 15,160,697 km (0.076 R)
• M13: 19,891,580 km (0.08 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 211 - 15,731 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit