🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.8

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.86 AU - 0.92 AU

Year: 292 Days

Day: 36.4 Hours

Environment

Temp: 123 °C

Axial Tilt: 39.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 68,628,236 km

• M1: 43,832 km (0.069 R)
• M2: 558,598 km (0.083 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.59

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.81 AU - 1.19 AU

Year: 348 Days

Day: 43.1 Hours

Environment

Temp: 176 °C

Axial Tilt: 23.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.76

Radius: 0.9

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.98 AU - 1.1 AU

Year: 369 Days

Day: 27.2 Hours

Environment

Temp: 125 °C

Axial Tilt: 47.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 68,628,236 km

• M1: 148,401 km (0.093 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.35

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.08 AU - 1.58 AU

Year: 534 Days

Day: 27.8 Hours

Environment

Temp: 16 °C

Axial Tilt: 1.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.59

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 1.47 AU - 2.39 AU

Year: 934 Days

Day: 22.4 Hours

Environment

Temp: -48 °C

Axial Tilt: 3.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.57 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 11.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952.7

Radius: 14.7

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 8.76 AU - 13.66 AU

Year: 13071 Days

Day: 10.9 Hours

Environment

Temp: -164 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 68,628,236 km

• M1: 191,784 km (0.118 R)
• M2: 708,496 km (0.12 R)
• M3: 1,887,626 km (0.119 R)
• M4: 3,466,033 km (0.106 R)
• M5: 5,396,594 km (0.097 R)
• M6: 6,270,245 km (0.112 R)
• M7: 7,236,348 km (0.091 R)
• M8: 8,059,884 km (0.11 R)
• M9: 8,693,132 km (0.087 R)
• M10: 9,840,249 km (0.029 R)
• M11: 10,794,085 km (0.108 R)
• M12: 12,498,603 km (0.081 R)
• M13: 13,348,468 km (0.084 R)
• M14: 15,236,543 km (0.1 R)
• M15: 18,105,531 km (0.088 R)
• M16: 23,300,766 km (0.051 R)
• M17: 24,287,214 km (0.074 R)
• M18: 27,959,992 km (0.077 R)
• M19: 28,736,704 km (0.073 R)
• M20: 29,756,363 km (0.098 R)
• M21: 35,092,070 km (0.096 R)
• M22: 37,581,528 km (0.085 R)
• M23: 42,910,055 km (0.095 R)
• M24: 57,854,134 km (0.076 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 898.9

Radius: 7.7

Gravity: 15.16 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 12.96 AU - 15.72 AU

Year: 18911 Days

Day: 18.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 68,628,236 km

• M1: 95,892 km (0.036 R)
• M2: 595,100 km (0.12 R)
• M3: 859,440 km (0.035 R)
• M4: 1,245,851 km (0.084 R)
• M5: 1,799,363 km (0.113 R)
• M6: 2,872,878 km (0.117 R)
• M7: 4,222,101 km (0.101 R)
• M8: 4,599,087 km (0.101 R)
• M9: 6,034,329 km (0.116 R)
• M10: 6,558,071 km (0.101 R)
• M11: 6,923,689 km (0.056 R)
• M12: 8,311,957 km (0.091 R)
• M13: 9,876,601 km (0.099 R)
• M14: 10,175,498 km (0.108 R)
• M15: 12,232,917 km (0.116 R)
• M16: 12,717,315 km (0.093 R)
• M17: 13,142,771 km (0.102 R)
• M18: 17,758,015 km (0.114 R)
• M19: 19,014,787 km (0.059 R)
• M20: 22,620,395 km (0.08 R)
• M21: 23,455,899 km (0.057 R)
• M22: 29,517,754 km (0.084 R)
• M23: 30,138,436 km (0.062 R)
• M24: 32,314,038 km (0.076 R)
• M25: 32,840,772 km (0.08 R)
• M26: 40,828,400 km (0.106 R)
• M27: 51,435,637 km (0.08 R)
• M28: 55,844,436 km (0.101 R)
• M29: 58,334,642 km (0.075 R)
• M30: 66,671,732 km (0.097 R)
• M31: 69,472,204 km (0.102 R)
• M32: 72,350,317 km (0.108 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 185.8

Radius: 5.1

Gravity: 7.14 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 11.49 AU - 18.63 AU

Year: 20353 Days

Day: 21.1 Hours

Environment

Temp: -176 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 68,628,236 km

• M1: 93,947 km (0.106 R)
• M2: 544,387 km (0.099 R)
• M3: 1,434,195 km (0.088 R)
• M4: 1,633,908 km (0.102 R)
• M5: 1,901,239 km (0.108 R)
• M6: 2,271,195 km (0.103 R)
• M7: 3,130,635 km (0.084 R)
• M8: 3,803,526 km (0.116 R)
• M9: 3,965,391 km (0.099 R)
• M10: 4,131,744 km (0.091 R)
• M11: 14,502,018 km (0.113 R)
• M12: 15,574,485 km (0.067 R)
• M13: 19,028,999 km (0.069 R)
• M14: 20,149,038 km (0.109 R)
• M15: 22,083,488 km (0.114 R)
• M16: 25,070,060 km (0.066 R)
• M17: 25,259,152 km (0.025 R)
• M18: 26,414,496 km (0.085 R)
• M19: 28,830,053 km (0.088 R)
• M20: 30,197,976 km (0.094 R)
• M21: 31,279,269 km (0.088 R)
• M22: 31,718,788 km (0.113 R)
• M23: 36,587,002 km (0.065 R)
• M24: 40,353,726 km (0.083 R)

Planet 9 - Ice Giant

Semi-Major Axis: 21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 179

Radius: 6.8

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 18.73 AU - 23.27 AU

Year: 33514 Days

Day: 24.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 68,628,236 km

• M1: 84,523 km (0.09 R)
• M2: 824,434 km (0.054 R)
• M3: 1,317,359 km (0.066 R)
• M4: 2,437,548 km (0.111 R)
• M5: 3,390,337 km (0.109 R)
• M6: 3,728,129 km (0.079 R)
• M7: 5,162,772 km (0.07 R)
• M8: 6,541,167 km (0.11 R)
• M9: 7,065,507 km (0.108 R)
• M10: 9,176,932 km (0.043 R)
• M11: 9,501,709 km (0.093 R)
• M12: 10,116,855 km (0.091 R)
• M13: 10,698,791 km (0.114 R)
• M14: 17,718,073 km (0.092 R)
• M15: 26,858,951 km (0.103 R)
• M16: 29,117,281 km (0.099 R)
• M17: 34,524,945 km (0.092 R)
• M18: 35,047,490 km (0.101 R)
• M19: 35,310,633 km (0.061 R)
• M20: 35,974,548 km (0.117 R)
• M21: 45,532,805 km (0.083 R)
• M22: 46,161,116 km (0.054 R)
• M23: 48,732,254 km (0.118 R)
• M24: 59,784,994 km (0.069 R)
• M25: 64,006,646 km (0.051 R)

Kuiper Belt

Range: 31.5 - 54.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 173 - 11,698 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit