🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 343.7

Radius: 14

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.54 AU - 0.82 AU

Year: 357 Days

Day: 11.6 Hours

Environment

Temp: -136 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 17,122,943 km

• M1: 174,132 km (0.106 R)
• M2: 683,064 km (0.045 R)
• M3: 1,143,526 km (0.118 R)
• M4: 1,795,025 km (0.099 R)
• M5: 2,635,466 km (0.08 R)
• M6: 3,231,314 km (0.049 R)
• M7: 3,769,717 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 354.8

Radius: 9.6

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.77 AU - 0.95 AU

Year: 507 Days

Day: 12 Hours

Environment

Temp: -157 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 17,122,943 km

• M1: 119,828 km (0.032 R)
• M2: 506,688 km (0.104 R)
• M3: 1,073,963 km (0.09 R)
• M4: 1,534,874 km (0.062 R)
• M5: 3,240,290 km (0.098 R)
• M6: 3,643,905 km (0.096 R)
• M7: 3,977,957 km (0.107 R)
• M8: 5,273,774 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 336.1

Radius: 11.7

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.79 AU - 0.99 AU

Year: 534 Days

Day: 8.4 Hours

Environment

Temp: -145 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 17,122,943 km

• M1: 145,559 km (0.082 R)
• M2: 577,747 km (0.098 R)
• M3: 943,963 km (0.117 R)
• M4: 1,873,414 km (0.096 R)
• M5: 2,345,395 km (0.093 R)
• M6: 2,775,489 km (0.089 R)
• M7: 3,381,959 km (0.068 R)
• M8: 3,796,944 km (0.106 R)
• M9: 4,192,780 km (0.117 R)
• M10: 4,644,715 km (0.107 R)
• M11: 5,344,384 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 601

Radius: 10

Gravity: 6.01 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.17 AU - 1.23 AU

Year: 836 Days

Day: 11.9 Hours

Environment

Temp: -170 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 17,122,943 km

• M1: 124,316 km (0.11 R)
• M2: 495,169 km (0.088 R)
• M3: 1,010,833 km (0.109 R)
• M4: 1,333,216 km (0.109 R)
• M5: 2,225,418 km (0.1 R)
• M6: 2,667,480 km (0.048 R)
• M7: 3,065,111 km (0.026 R)
• M8: 3,419,807 km (0.118 R)
• M9: 3,920,511 km (0.114 R)
• M10: 4,371,848 km (0.055 R)
• M11: 5,304,890 km (0.057 R)
• M12: 5,818,908 km (0.109 R)
• M13: 7,147,637 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812.8

Radius: 9.5

Gravity: 9.01 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.14 AU - 1.42 AU

Year: 921 Days

Day: 7 Hours

Environment

Temp: -165 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 17,122,943 km

• M1: 118,182 km (0.107 R)
• M2: 520,152 km (0.109 R)
• M3: 908,957 km (0.094 R)
• M4: 1,475,035 km (0.086 R)
• M5: 1,820,008 km (0.069 R)
• M6: 2,394,613 km (0.066 R)
• M7: 2,700,391 km (0.067 R)
• M8: 3,099,219 km (0.073 R)
• M9: 3,567,012 km (0.106 R)
• M10: 3,952,077 km (0.117 R)
• M11: 4,520,548 km (0.059 R)
• M12: 4,879,733 km (0.048 R)
• M13: 5,717,032 km (0.08 R)
• M14: 6,466,966 km (0.102 R)
• M15: 6,854,126 km (0.105 R)
• M16: 7,525,670 km (0.105 R)
• M17: 8,999,658 km (0.101 R)
• M18: 9,310,523 km (0.059 R)
• M19: 10,043,552 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 541.1

Radius: 14.3

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 2.01 AU - 2.29 AU

Year: 2004 Days

Day: 8.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 17,122,943 km

• M1: 177,872 km (0.051 R)
• M2: 711,936 km (0.04 R)
• M3: 1,159,533 km (0.112 R)
• M4: 1,795,324 km (0.112 R)
• M5: 2,755,742 km (0.055 R)
• M6: 3,385,101 km (0.117 R)
• M7: 4,334,897 km (0.066 R)
• M8: 5,191,046 km (0.119 R)
• M9: 6,230,901 km (0.115 R)
• M10: 7,972,669 km (0.092 R)
• M11: 9,227,047 km (0.044 R)
• M12: 10,191,056 km (0.113 R)
• M13: 10,715,396 km (0.088 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 939

Radius: 8

Gravity: 14.67 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 2.3 AU - 2.4 AU

Year: 2291 Days

Day: 5 Hours

Environment

Temp: -197 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 17,122,943 km

• M1: 99,483 km (0.067 R)
• M2: 370,255 km (0.103 R)
• M3: 619,036 km (0.062 R)
• M4: 1,024,895 km (0.065 R)
• M5: 1,931,009 km (0.089 R)
• M6: 2,320,562 km (0.115 R)
• M7: 3,019,035 km (0.067 R)
• M8: 3,381,361 km (0.054 R)
• M9: 3,695,815 km (0.096 R)
• M10: 4,214,471 km (0.109 R)
• M11: 4,965,004 km (0.098 R)
• M12: 5,471,243 km (0.075 R)
• M13: 5,801,705 km (0.074 R)
• M14: 7,078,971 km (0.101 R)
• M15: 7,471,666 km (0.094 R)
• M16: 8,169,241 km (0.118 R)
• M17: 8,703,455 km (0.079 R)
• M18: 10,292,633 km (0.082 R)
• M19: 11,155,812 km (0.108 R)
• M20: 14,176,343 km (0.118 R)
• M21: 15,797,086 km (0.09 R)
• M22: 16,207,882 km (0.094 R)
• M23: 17,428,900 km (0.095 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822.8

Radius: 14.3

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 3.74 AU - 5.7 AU

Year: 6520 Days

Day: 6.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 17,122,943 km

• M1: 177,872 km (0.108 R)
• M2: 766,539 km (0.08 R)
• M3: 1,302,997 km (0.1 R)
• M4: 2,692,313 km (0.071 R)
• M5: 3,404,100 km (0.107 R)
• M6: 3,865,459 km (0.099 R)
• M7: 4,887,662 km (0.108 R)
• M8: 5,508,942 km (0.11 R)
• M9: 6,182,581 km (0.082 R)
• M10: 6,661,743 km (0.07 R)
• M11: 8,170,138 km (0.104 R)
• M12: 9,266,242 km (0.115 R)
• M13: 9,895,899 km (0.077 R)
• M14: 12,062,824 km (0.087 R)
• M15: 12,542,435 km (0.084 R)
• M16: 13,654,097 km (0.043 R)
• M17: 16,589,506 km (0.089 R)
• M18: 17,050,268 km (0.109 R)
• M19: 17,723,309 km (0.078 R)
• M20: 24,517,894 km (0.062 R)
• M21: 28,163,146 km (0.039 R)
• M22: 28,631,237 km (0.083 R)
• M23: 29,104,415 km (0.118 R)
• M24: 29,582,680 km (0.108 R)
• M25: 30,163,718 km (0.112 R)
• M26: 32,359,366 km (0.115 R)
• M27: 37,291,458 km (0.105 R)

Asteroid Belt

Center: 5.19 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Gas Giant

Semi-Major Axis: 5.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 42.6

Radius: 12.8

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 4.98 AU - 6.34 AU

Year: 8562 Days

Day: 12.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 55.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 17,122,943 km

• M1: 162,912 km (0.11 R)
• M2: 568,622 km (0.03 R)
• M3: 970,591 km (0.074 R)
• M4: 2,503,371 km (0.034 R)
• M5: 3,154,271 km (0.06 R)
• M6: 4,543,886 km (0.117 R)
• M7: 5,587,780 km (0.051 R)
• M8: 7,033,344 km (0.034 R)
• M9: 9,141,028 km (0.087 R)
• M10: 9,823,793 km (0.12 R)
• M11: 12,608,408 km (0.1 R)
• M12: 14,749,452 km (0.072 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: 168 - 15,736 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit