🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.33

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.55 AU - 0.65 AU

Year: 171 Days

Day: 15.2 Hours

Environment

Temp: 211 °C

Axial Tilt: 12.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.97

Radius: 0.99

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.11 AU - 1.27 AU

Year: 477 Days

Day: 39.7 Hours

Environment

Temp: -9 °C

Axial Tilt: 32.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 37,672,543 km

• M1: 122,072 km (0.12 R)
• M2: 464,501 km (0.07 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.38

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.88 AU - 3.1 AU

Year: 1442 Days

Day: 23.5 Hours

Environment

Temp: -79 °C

Axial Tilt: 18.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 37,672,543 km

• M1: 111,750 km (0.09 R)

Asteroid Belt

Center: 3.88 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.5

Radius: 15

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 4.51 AU - 6.01 AU

Year: 4428 Days

Day: 7.2 Hours

Environment

Temp: -145 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 37,672,543 km

• M1: 186,997 km (0.108 R)
• M2: 774,917 km (0.093 R)
• M3: 1,373,308 km (0.111 R)
• M4: 1,879,248 km (0.113 R)
• M5: 2,587,295 km (0.119 R)
• M6: 3,143,051 km (0.109 R)
• M7: 4,387,706 km (0.075 R)
• M8: 4,917,132 km (0.095 R)
• M9: 5,386,571 km (0.077 R)
• M10: 5,940,382 km (0.077 R)
• M11: 6,827,946 km (0.114 R)
• M12: 7,967,732 km (0.058 R)
• M13: 9,011,626 km (0.12 R)
• M14: 9,757,072 km (0.12 R)
• M15: 13,157,881 km (0.116 R)
• M16: 14,465,366 km (0.1 R)
• M17: 14,971,157 km (0.079 R)
• M18: 18,789,343 km (0.104 R)
• M19: 19,331,186 km (0.071 R)
• M20: 19,945,435 km (0.058 R)
• M21: 21,277,754 km (0.039 R)
• M22: 22,265,249 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.7

Radius: 9.2

Gravity: 5.9 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 5.05 AU - 6.71 AU

Year: 5234 Days

Day: 7.3 Hours

Environment

Temp: -143 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 37,672,543 km

• M1: 114,442 km (0.1 R)
• M2: 403,615 km (0.114 R)
• M3: 845,527 km (0.061 R)
• M4: 1,860,698 km (0.119 R)
• M5: 2,196,994 km (0.117 R)
• M6: 2,848,792 km (0.074 R)
• M7: 3,561,477 km (0.08 R)
• M8: 4,084,171 km (0.076 R)
• M9: 5,015,867 km (0.11 R)
• M10: 5,673,350 km (0.049 R)
• M11: 6,863,102 km (0.11 R)
• M12: 7,638,467 km (0.106 R)
• M13: 7,957,410 km (0.076 R)
• M14: 8,471,129 km (0.087 R)
• M15: 10,188,213 km (0.103 R)
• M16: 11,748,070 km (0.098 R)
• M17: 12,511,768 km (0.084 R)
• M18: 13,410,103 km (0.119 R)
• M19: 14,457,886 km (0.103 R)
• M20: 20,123,307 km (0.097 R)
• M21: 21,008,029 km (0.107 R)
• M22: 21,424,958 km (0.109 R)
• M23: 22,419,335 km (0.094 R)
• M24: 22,708,957 km (0.101 R)
• M25: 23,148,176 km (0.041 R)
• M26: 25,903,320 km (0.092 R)
• M27: 26,949,757 km (0.102 R)
• M28: 27,940,544 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 404.7

Radius: 13.6

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 5.6 AU - 6.34 AU

Year: 5355 Days

Day: 14.1 Hours

Environment

Temp: -158 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 37,672,543 km

• M1: 196,272 km (0.112 R)
• M2: 792,121 km (0.111 R)
• M3: 1,855,762 km (0.111 R)
• M4: 4,723,104 km (0.112 R)
• M5: 5,947,114 km (0.114 R)
• M6: 9,403,124 km (0.056 R)
• M7: 10,761,472 km (0.104 R)
• M8: 12,153,181 km (0.088 R)
• M9: 20,689,685 km (0.084 R)
• M10: 22,267,493 km (0.117 R)
• M11: 22,978,083 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 272.8

Radius: 11.8

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 8.88 AU - 13.68 AU

Year: 13907 Days

Day: 5.8 Hours

Environment

Temp: -181 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 37,672,543 km

• M1: 146,756 km (0.087 R)
• M2: 563,984 km (0.077 R)
• M3: 970,890 km (0.025 R)
• M4: 1,401,433 km (0.087 R)
• M5: 2,105,889 km (0.12 R)
• M6: 3,368,046 km (0.118 R)
• M7: 4,326,370 km (0.095 R)
• M8: 5,142,726 km (0.089 R)
• M9: 5,753,085 km (0.107 R)
• M10: 6,198,289 km (0.059 R)
• M11: 10,889,379 km (0.097 R)
• M12: 11,412,522 km (0.079 R)
• M13: 16,903,811 km (0.037 R)
• M14: 20,452,123 km (0.097 R)
• M15: 21,330,263 km (0.113 R)
• M16: 23,419,247 km (0.111 R)
• M17: 25,095,791 km (0.08 R)
• M18: 32,498,193 km (0.101 R)
• M19: 37,455,866 km (0.043 R)
• M20: 41,236,803 km (0.079 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 149.5

Radius: 6.2

Gravity: 3.89 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 11.17 AU - 16.27 AU

Year: 18655 Days

Day: 19.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 37,672,543 km

• M1: 77,193 km (0.07 R)
• M2: 327,470 km (0.086 R)
• M3: 695,780 km (0.085 R)
• M4: 936,333 km (0.116 R)
• M5: 1,291,628 km (0.102 R)
• M6: 2,165,280 km (0.116 R)
• M7: 3,745,482 km (0.112 R)
• M8: 5,026,937 km (0.117 R)
• M9: 6,503,319 km (0.103 R)
• M10: 7,540,481 km (0.079 R)
• M11: 7,826,362 km (0.109 R)
• M12: 8,247,480 km (0.091 R)
• M13: 9,506,945 km (0.069 R)
• M14: 10,582,853 km (0.066 R)
• M15: 10,786,754 km (0.11 R)
• M16: 16,169,136 km (0.084 R)
• M17: 18,568,686 km (0.076 R)
• M18: 19,698,898 km (0.091 R)
• M19: 21,438,572 km (0.06 R)
• M20: 22,851,224 km (0.046 R)
• M21: 24,060,125 km (0.098 R)
• M22: 32,975,709 km (0.118 R)
• M23: 36,106,942 km (0.116 R)
• M24: 36,686,185 km (0.099 R)
• M25: 37,744,291 km (0.071 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 37.8

Radius: 5.5

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 17.83 AU - 19.55 AU

Year: 29661 Days

Day: 22.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 37,672,543 km

• M1: 69,264 km (0.111 R)
• M2: 833,559 km (0.095 R)
• M3: 1,221,467 km (0.114 R)
• M4: 5,325,385 km (0.08 R)
• M5: 7,329,847 km (0.106 R)
• M6: 13,698,677 km (0.052 R)
• M7: 19,831,591 km (0.118 R)
• M8: 20,275,598 km (0.117 R)
• M9: 28,593,090 km (0.08 R)
• M10: 29,733,923 km (0.049 R)
• M11: 32,106,097 km (0.099 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 242 - 16,681 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit