🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.44

Radius: 0.72

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.66 AU - 0.72 AU

Year: 242 Days

Day: 13.6 Hours

Environment

Temp: 1 °C

Axial Tilt: 35.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 61,982,700 km

• M1: 16,755 km (0.036 R)
• M2: 61,485 km (0.086 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.04

Radius: 1.02

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.72 AU - 0.9 AU

Year: 307 Days

Day: 32.1 Hours

Environment

Temp: -7 °C

Axial Tilt: 93.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.25

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.01 AU - 1.47 AU

Year: 582 Days

Day: 37.9 Hours

Environment

Temp: -76 °C

Axial Tilt: 10.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 61,982,700 km

• M1: 815,009 km (0.118 R)

Asteroid Belt

Center: 2.2 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 178.5

Radius: 14.9

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 2.79 AU - 3.53 AU

Year: 2369 Days

Day: 6.5 Hours

Environment

Temp: -141 °C

Axial Tilt: 85.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,982,700 km

• M1: 185,352 km (0.108 R)
• M2: 798,553 km (0.109 R)
• M3: 1,264,850 km (0.116 R)
• M4: 1,883,437 km (0.071 R)
• M5: 2,615,420 km (0.036 R)
• M6: 3,310,002 km (0.083 R)
• M7: 4,473,575 km (0.111 R)
• M8: 6,499,878 km (0.11 R)
• M9: 6,998,936 km (0.041 R)
• M10: 7,574,739 km (0.102 R)
• M11: 10,360,550 km (0.095 R)
• M12: 11,110,335 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655.7

Radius: 14.6

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 4.72 AU - 7.52 AU

Year: 6385 Days

Day: 8 Hours

Environment

Temp: -174 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 61,982,700 km

• M1: 183,407 km (0.105 R)
• M2: 801,097 km (0.052 R)
• M3: 1,433,896 km (0.034 R)
• M4: 1,961,078 km (0.108 R)
• M5: 2,819,022 km (0.115 R)
• M6: 3,939,959 km (0.077 R)
• M7: 5,487,998 km (0.074 R)
• M8: 6,042,856 km (0.107 R)
• M9: 7,633,680 km (0.077 R)
• M10: 8,567,320 km (0.059 R)
• M11: 10,064,047 km (0.106 R)
• M12: 12,083,170 km (0.036 R)
• M13: 12,759,651 km (0.088 R)
• M14: 15,418,454 km (0.053 R)
• M15: 18,023,551 km (0.053 R)
• M16: 18,700,931 km (0.091 R)
• M17: 21,132,345 km (0.116 R)
• M18: 22,579,405 km (0.094 R)
• M19: 23,128,728 km (0.034 R)
• M20: 24,172,922 km (0.109 R)
• M21: 26,615,256 km (0.105 R)
• M22: 29,217,811 km (0.067 R)
• M23: 30,628,668 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 574.9

Radius: 13.7

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 6.74 AU - 8.52 AU

Year: 8889 Days

Day: 9.9 Hours

Environment

Temp: -180 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 61,982,700 km

• M1: 170,392 km (0.032 R)
• M2: 683,513 km (0.039 R)
• M3: 1,560,156 km (0.074 R)
• M4: 2,935,709 km (0.078 R)
• M5: 3,549,957 km (0.085 R)
• M6: 4,195,921 km (0.087 R)
• M7: 5,097,996 km (0.101 R)
• M8: 6,725,322 km (0.118 R)
• M9: 7,758,594 km (0.106 R)
• M10: 8,461,854 km (0.112 R)
• M11: 14,695,148 km (0.116 R)
• M12: 17,452,985 km (0.07 R)
• M13: 18,014,875 km (0.083 R)
• M14: 18,516,476 km (0.084 R)
• M15: 19,622,902 km (0.09 R)
• M16: 27,112,968 km (0.107 R)
• M17: 29,715,523 km (0.03 R)
• M18: 32,480,390 km (0.117 R)
• M19: 34,856,902 km (0.095 R)
• M20: 36,656,415 km (0.102 R)
• M21: 37,462,897 km (0.108 R)
• M22: 40,196,349 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 465.4

Radius: 6.1

Gravity: 12.51 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 10.22 AU - 14.06 AU

Year: 17840 Days

Day: 24.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 61,982,700 km

• M1: 82,728 km (0.101 R)
• M2: 276,606 km (0.059 R)
• M3: 819,348 km (0.092 R)
• M4: 1,815,071 km (0.077 R)
• M5: 2,341,356 km (0.085 R)
• M6: 2,798,976 km (0.109 R)
• M7: 3,340,520 km (0.069 R)
• M8: 9,823,943 km (0.109 R)
• M9: 12,920,020 km (0.036 R)
• M10: 14,475,838 km (0.078 R)
• M11: 16,380,518 km (0.111 R)
• M12: 17,632,203 km (0.119 R)
• M13: 20,061,224 km (0.111 R)
• M14: 20,948,040 km (0.118 R)
• M15: 27,574,628 km (0.073 R)
• M16: 41,690,982 km (0.076 R)
• M17: 43,571,277 km (0.087 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 557 - 17,914 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit