🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 375

Radius: 13.2

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.53 AU - 0.75 AU

Year: 347 Days

Day: 11.4 Hours

Environment

Temp: -150 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 60,667,080 km

• M1: 164,258 km (0.114 R)
• M2: 744,399 km (0.096 R)
• M3: 1,157,140 km (0.066 R)
• M4: 2,081,505 km (0.049 R)
• M5: 2,741,231 km (0.065 R)
• M6: 3,473,214 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 360.1

Radius: 10.8

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.64 AU - 0.66 AU

Year: 355 Days

Day: 5.5 Hours

Environment

Temp: -147 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 60,667,080 km

• M1: 134,488 km (0.11 R)
• M2: 833,859 km (0.092 R)
• M3: 1,689,558 km (0.074 R)
• M4: 2,214,497 km (0.041 R)
• M5: 2,781,324 km (0.114 R)
• M6: 3,615,631 km (0.096 R)
• M7: 4,026,127 km (0.037 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 891.4

Radius: 10.9

Gravity: 7.5 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.55 AU - 1.61 AU

Year: 1347 Days

Day: 11.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 60,667,080 km

• M1: 136,134 km (0.088 R)
• M2: 525,687 km (0.084 R)
• M3: 870,959 km (0.11 R)
• M4: 1,233,285 km (0.057 R)
• M5: 1,767,050 km (0.113 R)
• M6: 2,232,299 km (0.092 R)
• M7: 2,931,969 km (0.089 R)
• M8: 3,396,320 km (0.049 R)
• M9: 4,435,726 km (0.115 R)
• M10: 5,432,347 km (0.096 R)
• M11: 6,772,445 km (0.073 R)
• M12: 7,670,332 km (0.089 R)
• M13: 8,034,004 km (0.1 R)
• M14: 8,735,618 km (0.118 R)
• M15: 9,319,798 km (0.117 R)
• M16: 10,061,504 km (0.078 R)
• M17: 10,911,818 km (0.045 R)
• M18: 13,346,972 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204.9

Radius: 9.1

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.39 AU - 2.19 AU

Year: 1624 Days

Day: 14.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 60,667,080 km

• M1: 113,246 km (0.076 R)
• M2: 507,137 km (0.087 R)
• M3: 816,804 km (0.114 R)
• M4: 1,565,392 km (0.039 R)
• M5: 1,859,502 km (0.071 R)
• M6: 2,232,599 km (0.101 R)
• M7: 2,527,755 km (0.026 R)
• M8: 3,144,248 km (0.068 R)
• M9: 3,502,535 km (0.116 R)
• M10: 3,949,982 km (0.12 R)
• M11: 4,368,258 km (0.086 R)
• M12: 4,780,250 km (0.109 R)
• M13: 5,161,875 km (0.118 R)
• M14: 7,384,749 km (0.104 R)
• M15: 7,722,840 km (0.061 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 565.7

Radius: 10.1

Gravity: 5.55 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 1.67 AU - 2.73 AU

Year: 2213 Days

Day: 6.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 60,667,080 km

• M1: 125,662 km (0.065 R)
• M2: 717,771 km (0.088 R)
• M3: 1,178,532 km (0.112 R)
• M4: 1,507,049 km (0.112 R)
• M5: 2,408,376 km (0.107 R)
• M6: 2,857,170 km (0.06 R)
• M7: 3,411,430 km (0.067 R)
• M8: 3,831,949 km (0.078 R)
• M9: 4,228,085 km (0.084 R)
• M10: 5,102,933 km (0.088 R)
• M11: 6,477,737 km (0.089 R)
• M12: 6,904,690 km (0.097 R)
• M13: 7,522,230 km (0.06 R)
• M14: 7,904,303 km (0.107 R)
• M15: 8,548,770 km (0.064 R)
• M16: 9,128,761 km (0.107 R)
• M17: 10,012,585 km (0.051 R)
• M18: 11,871,339 km (0.091 R)
• M19: 12,593,448 km (0.091 R)
• M20: 13,049,123 km (0.073 R)
• M21: 13,949,403 km (0.118 R)
• M22: 15,120,904 km (0.07 R)
• M23: 15,635,670 km (0.034 R)
• M24: 16,162,255 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643.6

Radius: 10.2

Gravity: 6.19 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 2.09 AU - 2.65 AU

Year: 2475 Days

Day: 10.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 60,667,080 km

• M1: 126,859 km (0.109 R)
• M2: 728,990 km (0.071 R)
• M3: 1,233,883 km (0.075 R)
• M4: 1,974,692 km (0.109 R)
• M5: 2,607,940 km (0.082 R)
• M6: 3,052,993 km (0.089 R)
• M7: 3,584,365 km (0.112 R)
• M8: 5,982,269 km (0.097 R)
• M9: 7,043,666 km (0.064 R)
• M10: 7,453,864 km (0.067 R)
• M11: 7,973,417 km (0.079 R)
• M12: 8,419,368 km (0.063 R)
• M13: 9,501,110 km (0.113 R)
• M14: 10,334,221 km (0.085 R)
• M15: 10,787,802 km (0.113 R)
• M16: 11,734,906 km (0.118 R)
• M17: 12,822,482 km (0.058 R)
• M18: 13,479,815 km (0.075 R)
• M19: 14,113,362 km (0.093 R)
• M20: 14,719,383 km (0.077 R)
• M21: 16,796,400 km (0.085 R)
• M22: 17,160,671 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 951.8

Radius: 10.4

Gravity: 8.8 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 2.53 AU - 3.01 AU

Year: 3127 Days

Day: 9.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 60,667,080 km

• M1: 129,402 km (0.084 R)
• M2: 512,373 km (0.114 R)
• M3: 970,741 km (0.097 R)
• M4: 1,321,248 km (0.116 R)
• M5: 1,958,386 km (0.078 R)
• M6: 2,333,278 km (0.062 R)
• M7: 4,457,119 km (0.112 R)
• M8: 5,011,529 km (0.039 R)
• M9: 6,435,252 km (0.05 R)
• M10: 8,181,657 km (0.064 R)
• M11: 10,511,644 km (0.12 R)
• M12: 12,820,986 km (0.116 R)
• M13: 15,235,795 km (0.116 R)
• M14: 18,600,700 km (0.104 R)
• M15: 19,154,063 km (0.036 R)
• M16: 21,078,789 km (0.105 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 376.9

Radius: 10.8

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 2.67 AU - 4.11 AU

Year: 4233 Days

Day: 6.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 60,667,080 km

• M1: 136,134 km (0.049 R)
• M2: 548,575 km (0.111 R)
• M3: 918,082 km (0.081 R)
• M4: 1,304,344 km (0.041 R)
• M5: 1,696,141 km (0.111 R)
• M6: 2,126,683 km (0.072 R)
• M7: 2,692,313 km (0.081 R)
• M8: 3,071,244 km (0.108 R)
• M9: 3,697,311 km (0.084 R)
• M10: 4,189,040 km (0.101 R)
• M11: 5,405,420 km (0.096 R)
• M12: 5,985,710 km (0.113 R)
• M13: 8,732,028 km (0.088 R)
• M14: 9,235,574 km (0.056 R)
• M15: 9,720,271 km (0.106 R)
• M16: 10,300,711 km (0.099 R)
• M17: 11,277,435 km (0.113 R)
• M18: 12,810,814 km (0.1 R)
• M19: 13,699,275 km (0.079 R)
• M20: 17,385,666 km (0.117 R)
• M21: 18,650,217 km (0.066 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 678.9

Radius: 7.1

Gravity: 13.47 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 4.68 AU - 7.56 AU

Year: 10269 Days

Day: 18.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 60,667,080 km

• M1: 90,507 km (0.089 R)
• M2: 410,945 km (0.057 R)
• M3: 1,002,156 km (0.089 R)
• M4: 1,260,212 km (0.119 R)
• M5: 1,996,683 km (0.085 R)
• M6: 2,372,622 km (0.119 R)
• M7: 4,002,790 km (0.085 R)
• M8: 8,166,548 km (0.102 R)
• M9: 14,691,708 km (0.109 R)
• M10: 18,211,147 km (0.055 R)
• M11: 27,650,922 km (0.105 R)
• M12: 28,661,606 km (0.104 R)
• M13: 31,841,458 km (0.045 R)
• M14: 47,343,537 km (0.1 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 524.2

Radius: 6.2

Gravity: 13.64 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 6.71 AU - 9.93 AU

Year: 16277 Days

Day: 24.5 Hours

Environment

Temp: -238 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 60,667,080 km

• M1: 78,389 km (0.096 R)
• M2: 591,510 km (0.103 R)
• M3: 1,023,848 km (0.029 R)
• M4: 1,539,661 km (0.075 R)
• M5: 1,864,737 km (0.117 R)
• M6: 2,062,506 km (0.118 R)
• M7: 2,630,679 km (0.112 R)
• M8: 4,598,190 km (0.045 R)
• M9: 4,894,394 km (0.102 R)
• M10: 6,448,416 km (0.079 R)
• M11: 8,596,492 km (0.113 R)
• M12: 8,794,709 km (0.105 R)
• M13: 18,137,695 km (0.103 R)
• M14: 20,505,231 km (0.093 R)
• M15: 21,946,756 km (0.104 R)
• M16: 24,037,236 km (0.037 R)
• M17: 24,233,658 km (0.1 R)
• M18: 25,231,626 km (0.113 R)
• M19: 26,153,149 km (0.069 R)
• M20: 33,362,420 km (0.119 R)
• M21: 38,347,469 km (0.091 R)
• M22: 39,701,181 km (0.087 R)
• M23: 40,807,008 km (0.105 R)
• M24: 41,086,606 km (0.05 R)
• M25: 42,075,299 km (0.088 R)
• M26: 43,079,699 km (0.067 R)
• M27: 44,542,317 km (0.081 R)
• M28: 44,987,520 km (0.105 R)
• M29: 46,188,941 km (0.114 R)
• M30: 46,645,065 km (0.118 R)
• M31: 46,950,693 km (0.09 R)
• M32: 47,566,139 km (0.05 R)
• M33: 49,603,363 km (0.048 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 533 - 13,874 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit