🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.48

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.61 AU - 0.69 AU

Year: 224 Days

Day: 31.8 Hours

Environment

Temp: 28 °C

Axial Tilt: 7.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.08

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.58 AU - 0.8 AU

Year: 245 Days

Day: 21.8 Hours

Environment

Temp: 5 °C

Axial Tilt: 15.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.21

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.75 AU - 0.99 AU

Year: 347 Days

Day: 17.7 Hours

Environment

Temp: -32 °C

Axial Tilt: 37.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.28

Radius: 1.39

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1 AU - 1.16 AU

Year: 480 Days

Day: 39.7 Hours

Environment

Temp: -56 °C

Axial Tilt: 2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.49

Radius: 0.75

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 2.16 AU - 2.98 AU

Year: 1761 Days

Day: 32.1 Hours

Environment

Temp: -124 °C

Axial Tilt: 1.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537.4

Radius: 14.1

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 2.46 AU - 3.68 AU

Year: 2300 Days

Day: 7.5 Hours

Environment

Temp: -152 °C

Axial Tilt: 132.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 74,522,466 km

• M1: 175,478 km (0.108 R)
• M2: 1,508,246 km (0.081 R)
• M3: 2,095,118 km (0.091 R)
• M4: 2,936,756 km (0.109 R)
• M5: 3,598,876 km (0.114 R)
• M6: 4,788,927 km (0.032 R)
• M7: 6,201,729 km (0.118 R)
• M8: 7,966,386 km (0.117 R)
• M9: 8,549,668 km (0.102 R)
• M10: 9,095,700 km (0.077 R)
• M11: 10,010,790 km (0.107 R)
• M12: 11,401,751 km (0.099 R)
• M13: 13,681,473 km (0.111 R)
• M14: 16,543,879 km (0.117 R)

Asteroid Belt

Center: 3.33 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 799.4

Radius: 12.6

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 3.57 AU - 3.59 AU

Year: 2896 Days

Day: 7.3 Hours

Environment

Temp: -145 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 74,522,466 km

• M1: 156,629 km (0.106 R)
• M2: 564,882 km (0.112 R)
• M3: 1,073,066 km (0.047 R)
• M4: 1,602,792 km (0.085 R)
• M5: 2,263,715 km (0.065 R)
• M6: 2,997,941 km (0.079 R)
• M7: 3,496,252 km (0.099 R)
• M8: 4,524,887 km (0.12 R)
• M9: 6,014,433 km (0.116 R)
• M10: 7,113,678 km (0.047 R)
• M11: 7,519,088 km (0.076 R)
• M12: 8,039,390 km (0.101 R)
• M13: 8,758,806 km (0.083 R)
• M14: 9,708,303 km (0.077 R)
• M15: 11,134,869 km (0.038 R)
• M16: 12,833,253 km (0.087 R)
• M17: 13,436,133 km (0.038 R)
• M18: 15,153,367 km (0.12 R)
• M19: 15,774,647 km (0.1 R)
• M20: 18,782,611 km (0.049 R)
• M21: 20,234,907 km (0.108 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 507.3

Radius: 10.8

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 5.85 AU - 7.29 AU

Year: 7199 Days

Day: 7.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 74,522,466 km

• M1: 134,339 km (0.086 R)
• M2: 508,932 km (0.09 R)
• M3: 1,118,842 km (0.043 R)
• M4: 1,462,319 km (0.119 R)
• M5: 1,863,690 km (0.077 R)
• M6: 2,561,116 km (0.098 R)
• M7: 3,050,151 km (0.064 R)
• M8: 4,874,048 km (0.098 R)
• M9: 5,388,665 km (0.114 R)
• M10: 5,939,035 km (0.107 R)
• M11: 6,560,615 km (0.094 R)
• M12: 7,010,306 km (0.106 R)
• M13: 9,230,787 km (0.102 R)
• M14: 9,885,427 km (0.079 R)
• M15: 11,985,482 km (0.083 R)
• M16: 14,598,508 km (0.116 R)
• M17: 16,601,325 km (0.098 R)
• M18: 19,337,021 km (0.044 R)
• M19: 19,689,922 km (0.12 R)
• M20: 21,975,329 km (0.117 R)
• M21: 25,346,517 km (0.094 R)
• M22: 27,955,653 km (0.09 R)
• M23: 30,073,660 km (0.11 R)
• M24: 31,706,371 km (0.113 R)
• M25: 32,098,916 km (0.083 R)
• M26: 33,906,058 km (0.085 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 504.1

Radius: 5.2

Gravity: 18.64 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 9.22 AU - 12.32 AU

Year: 15110 Days

Day: 19 Hours

Environment

Temp: -201 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 74,522,466 km

• M1: 65,823 km (0.102 R)
• M2: 245,490 km (0.105 R)
• M3: 486,642 km (0.106 R)
• M4: 784,641 km (0.105 R)
• M5: 2,401,943 km (0.108 R)
• M6: 2,764,718 km (0.103 R)
• M7: 4,221,652 km (0.046 R)
• M8: 4,464,898 km (0.083 R)
• M9: 4,717,569 km (0.074 R)
• M10: 6,242,121 km (0.045 R)
• M11: 10,828,941 km (0.075 R)
• M12: 14,229,151 km (0.12 R)
• M13: 14,501,120 km (0.118 R)
• M14: 20,008,865 km (0.103 R)
• M15: 29,425,901 km (0.088 R)
• M16: 37,674,877 km (0.096 R)
• M17: 41,419,761 km (0.104 R)
• M18: 50,895,739 km (0.039 R)

Asteroid Belt

Center: 11.06 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Ice Giant

Semi-Major Axis: 11.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 963.4

Radius: 5.4

Gravity: 33.04 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 9.33 AU - 13.37 AU

Year: 16346 Days

Day: 19.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 74,522,466 km

• M1: 67,169 km (0.064 R)
• M2: 258,655 km (0.108 R)
• M3: 610,808 km (0.103 R)
• M4: 1,033,422 km (0.116 R)
• M5: 1,437,187 km (0.107 R)
• M6: 1,666,819 km (0.115 R)
• M7: 2,670,472 km (0.096 R)
• M8: 2,916,710 km (0.091 R)
• M9: 7,361,711 km (0.063 R)
• M10: 8,826,723 km (0.081 R)
• M11: 10,119,099 km (0.052 R)
• M12: 12,590,306 km (0.036 R)
• M13: 14,001,463 km (0.069 R)
• M14: 15,281,123 km (0.106 R)
• M15: 18,070,824 km (0.118 R)
• M16: 19,312,038 km (0.029 R)
• M17: 20,798,891 km (0.045 R)
• M18: 21,667,905 km (0.108 R)
• M19: 22,965,667 km (0.104 R)
• M20: 23,998,490 km (0.118 R)
• M21: 27,626,538 km (0.042 R)
• M22: 29,510,274 km (0.096 R)
• M23: 33,531,465 km (0.084 R)
• M24: 38,331,462 km (0.111 R)
• M25: 40,224,923 km (0.072 R)
• M26: 42,948,202 km (0.061 R)
• M27: 44,354,871 km (0.075 R)
• M28: 44,830,592 km (0.032 R)
• M29: 46,277,952 km (0.119 R)
• M30: 49,265,421 km (0.082 R)
• M31: 51,676,191 km (0.037 R)
• M32: 61,122,399 km (0.116 R)
• M33: 64,509,893 km (0.102 R)
• M34: 71,438,967 km (0.101 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 395 - 12,997 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit