🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.39

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.56 AU - 0.94 AU

Year: 226 Days

Day: 28.7 Hours

Environment

Temp: 134 °C

Axial Tilt: 0.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.56

Radius: 0.79

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.89 AU - 1.43 AU

Year: 435 Days

Day: 31.7 Hours

Environment

Temp: 23 °C

Axial Tilt: 39 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.32 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.38

Radius: 0.68

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.17 AU - 1.47 AU

Year: 528 Days

Day: 21.8 Hours

Environment

Temp: 0 °C

Axial Tilt: 20.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.04

Radius: 1.02

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.29 AU - 1.43 AU

Year: 552 Days

Day: 45.3 Hours

Environment

Temp: -3 °C

Axial Tilt: 18.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 94,459,901 km

• M1: 159,920 km (0.098 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.61 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.89

Radius: 0.95

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.24 AU - 1.98 AU

Year: 711 Days

Day: 35.8 Hours

Environment

Temp: 4 °C

Axial Tilt: 18.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 6 - Gas Giant

Semi-Major Axis: 6.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 117.2

Radius: 11.2

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 6.01 AU - 6.97 AU

Year: 5758 Days

Day: 14.2 Hours

Environment

Temp: -145 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 94,459,901 km

• M1: 148,251 km (0.094 R)
• M2: 531,970 km (0.082 R)
• M3: 1,110,914 km (0.054 R)
• M4: 1,941,631 km (0.1 R)
• M5: 2,875,869 km (0.054 R)
• M6: 3,596,034 km (0.058 R)
• M7: 4,580,238 km (0.113 R)
• M8: 7,018,384 km (0.115 R)
• M9: 7,757,996 km (0.07 R)
• M10: 10,290,987 km (0.115 R)
• M11: 11,927,887 km (0.109 R)
• M12: 14,141,188 km (0.052 R)
• M13: 15,909,285 km (0.112 R)
• M14: 16,924,306 km (0.091 R)
• M15: 17,447,749 km (0.027 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 881.5

Radius: 12.2

Gravity: 5.92 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 6.04 AU - 7.7 AU

Year: 6271 Days

Day: 9.1 Hours

Environment

Temp: -157 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 94,459,901 km

• M1: 159,471 km (0.095 R)
• M2: 579,393 km (0.078 R)
• M3: 1,032,375 km (0.106 R)
• M4: 1,647,073 km (0.03 R)
• M5: 2,970,415 km (0.071 R)
• M6: 3,414,721 km (0.105 R)
• M7: 3,830,753 km (0.084 R)
• M8: 5,051,471 km (0.088 R)
• M9: 5,783,753 km (0.083 R)
• M10: 6,209,359 km (0.119 R)
• M11: 8,702,557 km (0.033 R)
• M12: 9,218,969 km (0.055 R)
• M13: 9,939,283 km (0.106 R)
• M14: 10,941,139 km (0.108 R)
• M15: 12,704,450 km (0.05 R)
• M16: 13,313,463 km (0.099 R)
• M17: 13,941,923 km (0.084 R)
• M18: 14,470,752 km (0.085 R)
• M19: 15,568,650 km (0.112 R)
• M20: 16,918,771 km (0.077 R)
• M21: 20,823,276 km (0.106 R)
• M22: 21,359,734 km (0.111 R)
• M23: 23,433,908 km (0.093 R)
• M24: 26,522,954 km (0.103 R)
• M25: 33,601,926 km (0.115 R)
• M26: 34,234,276 km (0.094 R)
• M27: 35,305,995 km (0.094 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 96.6

Radius: 6.3

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 14.92 AU - 20.44 AU

Year: 25889 Days

Day: 18.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 94,459,901 km

• M1: 113,694 km (0.06 R)
• M2: 687,851 km (0.048 R)
• M3: 1,477,429 km (0.117 R)
• M4: 1,796,970 km (0.088 R)
• M5: 3,175,065 km (0.094 R)
• M6: 3,582,570 km (0.101 R)
• M7: 4,329,362 km (0.065 R)
• M8: 5,271,979 km (0.112 R)
• M9: 7,977,306 km (0.056 R)
• M10: 12,915,981 km (0.119 R)
• M11: 19,496,941 km (0.11 R)
• M12: 23,586,049 km (0.061 R)
• M13: 31,539,420 km (0.06 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 676.1

Radius: 4.5

Gravity: 33.39 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 16.98 AU - 20.14 AU

Year: 27846 Days

Day: 22.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 94,459,901 km

• M1: 56,099 km (0.115 R)
• M2: 1,478,625 km (0.104 R)
• M3: 3,091,739 km (0.101 R)
• M4: 6,143,237 km (0.089 R)
• M5: 7,614,232 km (0.111 R)
• M6: 11,367,793 km (0.045 R)
• M7: 13,253,474 km (0.034 R)
• M8: 19,642,350 km (0.104 R)
• M9: 20,549,362 km (0.1 R)
• M10: 23,325,749 km (0.091 R)
• M11: 25,270,372 km (0.082 R)
• M12: 26,706,212 km (0.074 R)
• M13: 41,333,592 km (0.078 R)
• M14: 48,936,605 km (0.094 R)
• M15: 52,872,675 km (0.054 R)
• M16: 58,854,046 km (0.112 R)
• M17: 62,435,868 km (0.096 R)
• M18: 65,714,455 km (0.119 R)
• M19: 71,666,057 km (0.12 R)
• M20: 75,745,740 km (0.099 R)
• M21: 83,839,733 km (0.118 R)
• M22: 85,949,661 km (0.039 R)
• M23: 91,933,875 km (0.076 R)

Kuiper Belt

Range: 31.5 - 53.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 423 - 15,351 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit