🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 548.3

Radius: 14.2

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.69 AU - 0.95 AU

Year: 504 Days

Day: 14.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 117.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 64,367,476 km

• M1: 189,840 km (0.081 R)
• M2: 706,401 km (0.065 R)
• M3: 1,443,171 km (0.083 R)
• M4: 2,276,880 km (0.079 R)
• M5: 3,171,176 km (0.041 R)
• M6: 3,681,753 km (0.088 R)
• M7: 4,646,659 km (0.05 R)
• M8: 5,213,037 km (0.115 R)
• M9: 6,069,485 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 110.4

Radius: 10

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.89 AU - 0.95 AU

Year: 599 Days

Day: 8.2 Hours

Environment

Temp: -179 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 64,367,476 km

• M1: 130,599 km (0.081 R)
• M2: 467,344 km (0.098 R)
• M3: 874,998 km (0.097 R)
• M4: 1,729,800 km (0.094 R)
• M5: 2,515,937 km (0.115 R)
• M6: 3,047,907 km (0.116 R)
• M7: 3,991,271 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 885.5

Radius: 9

Gravity: 10.93 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.44 AU - 1.76 AU

Year: 1373 Days

Day: 5.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 64,367,476 km

• M1: 111,899 km (0.096 R)
• M2: 408,103 km (0.064 R)
• M3: 728,542 km (0.08 R)
• M4: 1,162,525 km (0.112 R)
• M5: 1,664,875 km (0.084 R)
• M6: 3,148,886 km (0.085 R)
• M7: 4,146,853 km (0.112 R)
• M8: 4,798,950 km (0.067 R)
• M9: 5,473,636 km (0.117 R)
• M10: 6,404,135 km (0.083 R)
• M11: 7,037,233 km (0.086 R)
• M12: 7,823,071 km (0.082 R)
• M13: 8,606,066 km (0.075 R)
• M14: 9,472,537 km (0.045 R)
• M15: 9,861,043 km (0.099 R)
• M16: 11,414,168 km (0.101 R)
• M17: 11,817,334 km (0.054 R)
• M18: 12,808,121 km (0.1 R)
• M19: 13,853,361 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 49.9

Radius: 10.7

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.71 AU - 1.99 AU

Year: 1707 Days

Day: 11.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 64,367,476 km

• M1: 188,942 km (0.073 R)
• M2: 566,976 km (0.096 R)
• M3: 956,230 km (0.095 R)
• M4: 2,308,295 km (0.058 R)
• M5: 3,115,525 km (0.107 R)
• M6: 4,381,422 km (0.104 R)
• M7: 5,804,996 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 191.2

Radius: 8.1

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.88 AU - 2.04 AU

Year: 1861 Days

Day: 9 Hours

Environment

Temp: -198 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 64,367,476 km

• M1: 100,679 km (0.112 R)
• M2: 384,766 km (0.079 R)
• M3: 723,904 km (0.103 R)
• M4: 1,015,919 km (0.102 R)
• M5: 1,589,029 km (0.12 R)
• M6: 1,914,703 km (0.032 R)
• M7: 2,628,883 km (0.094 R)
• M8: 3,155,318 km (0.027 R)
• M9: 3,407,690 km (0.109 R)
• M10: 3,704,193 km (0.037 R)
• M11: 4,264,587 km (0.062 R)
• M12: 4,880,331 km (0.079 R)
• M13: 6,050,635 km (0.089 R)
• M14: 6,644,539 km (0.05 R)
• M15: 9,471,789 km (0.091 R)
• M16: 9,881,388 km (0.071 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 943.8

Radius: 10.3

Gravity: 8.9 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 2.26 AU - 2.82 AU

Year: 2746 Days

Day: 5.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 64,367,476 km

• M1: 128,056 km (0.03 R)
• M2: 549,772 km (0.099 R)
• M3: 1,040,154 km (0.109 R)
• M4: 1,376,899 km (0.078 R)
• M5: 1,997,730 km (0.116 R)
• M6: 2,322,956 km (0.104 R)
• M7: 2,668,228 km (0.083 R)
• M8: 3,241,935 km (0.066 R)
• M9: 3,636,275 km (0.08 R)
• M10: 3,958,060 km (0.114 R)
• M11: 4,919,077 km (0.119 R)
• M12: 5,493,383 km (0.113 R)
• M13: 5,918,840 km (0.11 R)
• M14: 6,598,313 km (0.096 R)
• M15: 7,944,993 km (0.047 R)
• M16: 8,282,785 km (0.111 R)
• M17: 8,771,970 km (0.027 R)
• M18: 9,206,552 km (0.059 R)
• M19: 10,556,523 km (0.113 R)
• M20: 11,815,090 km (0.087 R)
• M21: 12,480,651 km (0.103 R)
• M22: 12,984,497 km (0.041 R)
• M23: 13,741,462 km (0.089 R)
• M24: 15,604,554 km (0.12 R)
• M25: 16,028,514 km (0.088 R)
• M26: 18,855,016 km (0.109 R)
• M27: 22,263,754 km (0.042 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 542

Radius: 5.6

Gravity: 17.28 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 7.06 AU - 7.24 AU

Year: 12967 Days

Day: 22.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 64,367,476 km

• M1: 69,862 km (0.054 R)
• M2: 254,466 km (0.118 R)
• M3: 600,187 km (0.077 R)
• M4: 1,129,165 km (0.047 R)
• M5: 1,548,787 km (0.08 R)
• M6: 1,746,854 km (0.107 R)
• M7: 2,567,249 km (0.1 R)
• M8: 3,364,007 km (0.029 R)
• M9: 3,751,615 km (0.082 R)
• M10: 4,026,277 km (0.063 R)
• M11: 5,227,847 km (0.096 R)
• M12: 7,094,829 km (0.101 R)
• M13: 7,775,649 km (0.11 R)
• M14: 8,877,138 km (0.063 R)
• M15: 10,718,687 km (0.096 R)
• M16: 11,441,993 km (0.097 R)
• M17: 12,138,072 km (0.068 R)
• M18: 12,739,306 km (0.086 R)
• M19: 13,109,561 km (0.075 R)
• M20: 14,197,436 km (0.072 R)
• M21: 16,551,508 km (0.113 R)
• M22: 17,140,924 km (0.103 R)
• M23: 17,440,868 km (0.081 R)
• M24: 20,889,847 km (0.036 R)
• M25: 24,199,700 km (0.096 R)
• M26: 24,482,440 km (0.078 R)
• M27: 28,257,691 km (0.099 R)
• M28: 28,676,266 km (0.059 R)
• M29: 29,848,814 km (0.114 R)
• M30: 35,948,967 km (0.046 R)
• M31: 40,534,889 km (0.085 R)
• M32: 41,604,365 km (0.054 R)
• M33: 42,146,208 km (0.094 R)
• M34: 47,677,141 km (0.033 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 466.1

Radius: 5.9

Gravity: 13.39 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 8.16 AU - 10.2 AU

Year: 18865 Days

Day: 18.1 Hours

Environment

Temp: -240 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 64,367,476 km

• M1: 73,602 km (0.095 R)
• M2: 378,183 km (0.115 R)
• M3: 579,991 km (0.081 R)
• M4: 1,310,926 km (0.107 R)
• M5: 1,757,775 km (0.113 R)
• M6: 2,180,090 km (0.066 R)
• M7: 2,447,571 km (0.074 R)
• M8: 5,893,259 km (0.081 R)
• M9: 6,621,501 km (0.109 R)
• M10: 9,430,201 km (0.114 R)
• M11: 12,360,225 km (0.072 R)
• M12: 16,380,668 km (0.077 R)
• M13: 20,200,500 km (0.069 R)
• M14: 26,445,014 km (0.064 R)
• M15: 33,863,722 km (0.051 R)
• M16: 38,590,566 km (0.087 R)
• M17: 49,004,373 km (0.072 R)
• M18: 53,304,713 km (0.032 R)
• M19: 56,956,697 km (0.096 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 370 - 17,330 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit