🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 103.7

Radius: 13.9

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.72 AU - 0.94 AU

Year: 496 Days

Day: 12.1 Hours

Environment

Temp: -140 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 37,793,437 km

• M1: 172,935 km (0.112 R)
• M2: 649,704 km (0.033 R)
• M3: 1,221,167 km (0.105 R)
• M4: 2,428,273 km (0.117 R)
• M5: 3,209,323 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 746.9

Radius: 14.2

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.84 AU - 1.28 AU

Year: 716 Days

Day: 8.8 Hours

Environment

Temp: -152 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 37,793,437 km

• M1: 176,675 km (0.03 R)
• M2: 622,926 km (0.087 R)
• M3: 1,186,910 km (0.07 R)
• M4: 1,719,179 km (0.07 R)
• M5: 2,229,756 km (0.064 R)
• M6: 2,738,389 km (0.067 R)
• M7: 4,538,051 km (0.093 R)
• M8: 5,718,678 km (0.085 R)
• M9: 6,188,415 km (0.066 R)
• M10: 7,205,980 km (0.108 R)
• M11: 8,431,486 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 551.4

Radius: 14.5

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.94 AU - 1.2 AU

Year: 726 Days

Day: 9.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 37,793,437 km

• M1: 180,415 km (0.114 R)
• M2: 698,921 km (0.093 R)
• M3: 1,258,417 km (0.066 R)
• M4: 1,867,281 km (0.093 R)
• M5: 2,449,964 km (0.066 R)
• M6: 3,068,851 km (0.081 R)
• M7: 3,681,454 km (0.055 R)
• M8: 4,238,556 km (0.072 R)
• M9: 5,363,532 km (0.06 R)
• M10: 6,297,023 km (0.066 R)
• M11: 7,141,354 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201.7

Radius: 9.8

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.85 AU - 1.39 AU

Year: 778 Days

Day: 14 Hours

Environment

Temp: -161 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 37,793,437 km

• M1: 204,500 km (0.106 R)
• M2: 516,711 km (0.096 R)
• M3: 837,150 km (0.113 R)
• M4: 1,164,171 km (0.069 R)
• M5: 2,014,784 km (0.064 R)
• M6: 2,678,101 km (0.091 R)
• M7: 3,077,827 km (0.118 R)
• M8: 3,664,250 km (0.045 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631

Radius: 8.7

Gravity: 8.34 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.54 AU - 1.72 AU

Year: 1365 Days

Day: 13.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 37,793,437 km

• M1: 108,309 km (0.074 R)
• M2: 445,802 km (0.117 R)
• M3: 739,163 km (0.078 R)
• M4: 1,075,908 km (0.113 R)
• M5: 1,576,911 km (0.085 R)
• M6: 1,912,459 km (0.112 R)
• M7: 2,203,577 km (0.114 R)
• M8: 2,769,057 km (0.099 R)
• M9: 3,505,527 km (0.036 R)
• M10: 3,778,244 km (0.079 R)
• M11: 4,779,203 km (0.026 R)
• M12: 5,217,375 km (0.109 R)
• M13: 5,574,166 km (0.117 R)
• M14: 6,407,426 km (0.087 R)
• M15: 6,915,910 km (0.049 R)
• M16: 7,477,350 km (0.114 R)
• M17: 8,151,738 km (0.095 R)
• M18: 8,662,016 km (0.047 R)
• M19: 9,314,412 km (0.079 R)
• M20: 9,967,407 km (0.119 R)
• M21: 11,157,159 km (0.075 R)
• M22: 11,433,915 km (0.102 R)
• M23: 11,786,367 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56.1

Radius: 14.8

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 2.26 AU - 2.64 AU

Year: 2516 Days

Day: 11.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 37,793,437 km

• M1: 184,005 km (0.089 R)
• M2: 695,481 km (0.074 R)
• M3: 1,461,272 km (0.112 R)
• M4: 1,980,227 km (0.106 R)
• M5: 2,484,372 km (0.112 R)
• M6: 3,801,132 km (0.1 R)
• M7: 4,415,381 km (0.092 R)
• M8: 5,580,749 km (0.089 R)
• M9: 6,771,697 km (0.118 R)
• M10: 7,541,229 km (0.066 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 273.4

Radius: 11.5

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 2.68 AU - 4.16 AU

Year: 4149 Days

Day: 7.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 100.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 37,793,437 km

• M1: 143,165 km (0.098 R)
• M2: 548,276 km (0.05 R)
• M3: 908,957 km (0.116 R)
• M4: 1,566,439 km (0.11 R)
• M5: 2,758,734 km (0.055 R)
• M6: 3,194,812 km (0.074 R)
• M7: 3,945,644 km (0.084 R)
• M8: 4,588,466 km (0.107 R)
• M9: 7,569,951 km (0.11 R)
• M10: 8,464,098 km (0.104 R)
• M11: 8,936,827 km (0.038 R)
• M12: 9,427,209 km (0.104 R)
• M13: 10,009,594 km (0.086 R)
• M14: 10,500,424 km (0.101 R)
• M15: 11,367,344 km (0.111 R)
• M16: 13,606,226 km (0.077 R)
• M17: 18,373,910 km (0.109 R)
• M18: 19,399,253 km (0.06 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 898.4

Radius: 5

Gravity: 35.94 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 6.82 AU - 7.3 AU

Year: 12306 Days

Day: 21 Hours

Environment

Temp: -232 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 37,793,437 km

• M1: 63,130 km (0.112 R)
• M2: 241,900 km (0.111 R)
• M3: 462,108 km (0.061 R)
• M4: 635,641 km (0.083 R)
• M5: 804,089 km (0.117 R)
• M6: 1,036,863 km (0.107 R)
• M7: 1,412,054 km (0.057 R)
• M8: 1,943,426 km (0.077 R)
• M9: 2,128,329 km (0.062 R)
• M10: 2,893,821 km (0.081 R)
• M11: 3,236,251 km (0.116 R)
• M12: 3,605,159 km (0.116 R)
• M13: 4,180,213 km (0.061 R)
• M14: 4,617,787 km (0.114 R)
• M15: 4,948,548 km (0.08 R)
• M16: 7,952,772 km (0.079 R)
• M17: 8,623,420 km (0.094 R)
• M18: 8,821,637 km (0.093 R)
• M19: 10,076,314 km (0.073 R)
• M20: 12,050,557 km (0.101 R)
• M21: 13,724,109 km (0.099 R)
• M22: 16,668,195 km (0.042 R)
• M23: 17,445,206 km (0.062 R)
• M24: 17,603,481 km (0.079 R)
• M25: 18,084,139 km (0.05 R)
• M26: 22,621,592 km (0.107 R)
• M27: 25,050,612 km (0.093 R)
• M28: 26,693,197 km (0.109 R)
• M29: 27,327,193 km (0.09 R)
• M30: 30,763,905 km (0.075 R)
• M31: 34,477,821 km (0.083 R)
• M32: 34,977,927 km (0.088 R)
• M33: 36,248,910 km (0.08 R)
• M34: 50,695,726 km (0.109 R)
• M35: 52,651,270 km (0.078 R)
• M36: 53,982,691 km (0.12 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 97

Radius: 6.7

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 7.56 AU - 11.04 AU

Year: 18605 Days

Day: 19.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 37,793,437 km

• M1: 83,775 km (0.03 R)
• M2: 341,981 km (0.096 R)
• M3: 1,539,512 km (0.118 R)
• M4: 1,887,028 km (0.071 R)
• M5: 5,922,879 km (0.107 R)
• M6: 13,073,358 km (0.08 R)
• M7: 17,366,368 km (0.077 R)
• M8: 20,497,451 km (0.079 R)
• M9: 22,997,681 km (0.109 R)
• M10: 27,482,475 km (0.106 R)
• M11: 31,504,863 km (0.067 R)
• M12: 33,135,031 km (0.119 R)
• M13: 33,760,649 km (0.118 R)
• M14: 37,680,412 km (0.074 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 501 - 17,524 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit