🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.31

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.58 AU - 0.6 AU

Year: 174 Days

Day: 19.2 Hours

Environment

Temp: 184 °C

Axial Tilt: 62.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 44,055,899 km

• M1: 25,880 km (0.092 R)
• M2: 378,183 km (0.112 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.82

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.57 AU - 0.91 AU

Year: 245 Days

Day: 19.3 Hours

Environment

Temp: 72 °C

Axial Tilt: 38.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.88

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.81 AU - 0.85 AU

Year: 291 Days

Day: 21.7 Hours

Environment

Temp: 33 °C

Axial Tilt: 46.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 44,055,899 km

• M1: 159,322 km (0.086 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.26

Radius: 0.58

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 3.07 AU - 3.33 AU

Year: 2204 Days

Day: 38.4 Hours

Environment

Temp: -120 °C

Axial Tilt: 8.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 44,055,899 km

• M1: 17,204 km (0.113 R)

Asteroid Belt

Center: 3.92 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966.9

Radius: 12.1

Gravity: 6.6 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 4 AU - 5.26 AU

Year: 3836 Days

Day: 13.5 Hours

Environment

Temp: -151 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 44,055,899 km

• M1: 150,645 km (0.04 R)
• M2: 629,807 km (0.047 R)
• M3: 1,146,817 km (0.054 R)
• M4: 1,523,505 km (0.098 R)
• M5: 2,621,852 km (0.106 R)
• M6: 3,214,858 km (0.11 R)
• M7: 4,498,408 km (0.06 R)
• M8: 5,082,438 km (0.111 R)
• M9: 5,716,583 km (0.079 R)
• M10: 7,904,452 km (0.095 R)
• M11: 8,604,421 km (0.067 R)
• M12: 9,345,379 km (0.081 R)
• M13: 10,601,403 km (0.076 R)
• M14: 12,014,355 km (0.028 R)
• M15: 13,965,859 km (0.055 R)
• M16: 14,498,427 km (0.093 R)
• M17: 15,266,911 km (0.059 R)
• M18: 18,046,739 km (0.069 R)
• M19: 21,357,190 km (0.099 R)
• M20: 25,208,887 km (0.107 R)
• M21: 27,546,503 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 317.8

Radius: 9.4

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 6.75 AU - 7.07 AU

Year: 6993 Days

Day: 9.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 44,055,899 km

• M1: 123,568 km (0.097 R)
• M2: 494,870 km (0.079 R)
• M3: 834,457 km (0.119 R)
• M4: 1,323,044 km (0.054 R)
• M5: 2,289,745 km (0.037 R)
• M6: 3,007,067 km (0.117 R)
• M7: 3,778,693 km (0.109 R)
• M8: 4,140,719 km (0.098 R)
• M9: 4,961,563 km (0.088 R)
• M10: 5,595,110 km (0.07 R)
• M11: 8,450,485 km (0.11 R)
• M12: 9,152,099 km (0.1 R)
• M13: 10,276,775 km (0.109 R)
• M14: 11,259,334 km (0.064 R)
• M15: 13,514,372 km (0.114 R)
• M16: 14,310,682 km (0.117 R)
• M17: 15,996,500 km (0.112 R)
• M18: 16,526,974 km (0.119 R)
• M19: 20,437,762 km (0.088 R)
• M20: 21,843,533 km (0.114 R)
• M21: 23,013,837 km (0.082 R)
• M22: 24,071,644 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559

Radius: 14

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 6.07 AU - 9.29 AU

Year: 8194 Days

Day: 7.4 Hours

Environment

Temp: -167 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 44,055,899 km

• M1: 175,329 km (0.118 R)
• M2: 755,469 km (0.082 R)
• M3: 2,350,781 km (0.079 R)
• M4: 3,214,260 km (0.114 R)
• M5: 3,974,965 km (0.081 R)
• M6: 5,824,743 km (0.102 R)
• M7: 7,031,848 km (0.119 R)
• M8: 8,153,383 km (0.11 R)
• M9: 9,845,634 km (0.068 R)
• M10: 11,349,691 km (0.093 R)
• M11: 12,670,491 km (0.051 R)
• M12: 13,114,049 km (0.102 R)
• M13: 17,587,922 km (0.098 R)
• M14: 19,721,039 km (0.118 R)
• M15: 22,582,846 km (0.038 R)
• M16: 25,623,273 km (0.111 R)
• M17: 36,256,241 km (0.099 R)

Planet 8 - Ice Giant

Semi-Major Axis: 11.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 228.1

Radius: 7.9

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 9.44 AU - 13.82 AU

Year: 15270 Days

Day: 16.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 44,055,899 km

• M1: 98,435 km (0.08 R)
• M2: 409,300 km (0.063 R)
• M3: 973,134 km (0.061 R)
• M4: 1,887,626 km (0.092 R)
• M5: 2,567,847 km (0.044 R)
• M6: 3,039,978 km (0.066 R)
• M7: 3,766,725 km (0.06 R)
• M8: 5,206,754 km (0.105 R)
• M9: 5,560,104 km (0.057 R)
• M10: 5,826,987 km (0.08 R)
• M11: 6,102,396 km (0.102 R)
• M12: 7,214,058 km (0.077 R)
• M13: 8,542,487 km (0.113 R)
• M14: 9,172,145 km (0.085 R)
• M15: 10,026,797 km (0.06 R)
• M16: 13,677,434 km (0.104 R)
• M17: 15,111,180 km (0.069 R)
• M18: 15,632,529 km (0.104 R)
• M19: 16,988,633 km (0.115 R)
• M20: 17,910,904 km (0.082 R)
• M21: 21,771,128 km (0.102 R)
• M22: 22,773,733 km (0.091 R)
• M23: 23,029,246 km (0.05 R)
• M24: 24,691,577 km (0.118 R)
• M25: 31,401,491 km (0.057 R)
• M26: 33,223,443 km (0.111 R)
• M27: 35,570,035 km (0.053 R)
• M28: 36,260,280 km (0.066 R)
• M29: 37,194,519 km (0.057 R)
• M30: 39,232,790 km (0.083 R)
• M31: 42,235,368 km (0.106 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 380 - 11,286 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit