🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.82

Radius: 0.92

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.58 AU - 0.64 AU

Year: 174 Days

Day: 31.7 Hours

Environment

Temp: 178 °C

Axial Tilt: 39.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.75

Radius: 1.25

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.81 AU - 1.29 AU

Year: 393 Days

Day: 16.1 Hours

Environment

Temp: 36 °C

Axial Tilt: 49.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.6

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.18 AU - 1.28 AU

Year: 498 Days

Day: 47.9 Hours

Environment

Temp: 12 °C

Axial Tilt: 31.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 84,415,302 km

• M1: 39,195 km (0.079 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.95

Radius: 1.31

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.28 AU - 1.92 AU

Year: 739 Days

Day: 19.5 Hours

Environment

Temp: -53 °C

Axial Tilt: 34 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.71

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.73 AU - 2.81 AU

Year: 1249 Days

Day: 17.7 Hours

Environment

Temp: -83 °C

Axial Tilt: 22 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.25

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 2.46 AU - 3.36 AU

Year: 1813 Days

Day: 18.5 Hours

Environment

Temp: -91 °C

Axial Tilt: 2.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.12 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 9.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 440.3

Radius: 12.6

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 8.77 AU - 9.87 AU

Year: 10392 Days

Day: 6.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 154.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 84,415,302 km

• M1: 159,621 km (0.11 R)
• M2: 553,961 km (0.087 R)
• M3: 1,309,879 km (0.096 R)
• M4: 1,704,069 km (0.056 R)
• M5: 3,908,095 km (0.054 R)
• M6: 5,832,073 km (0.027 R)
• M7: 6,452,007 km (0.068 R)
• M8: 7,823,969 km (0.11 R)
• M9: 8,364,466 km (0.11 R)
• M10: 9,063,836 km (0.044 R)
• M11: 13,452,589 km (0.079 R)
• M12: 15,483,679 km (0.112 R)
• M13: 18,865,787 km (0.07 R)
• M14: 21,005,037 km (0.111 R)
• M15: 21,403,416 km (0.045 R)
• M16: 22,462,719 km (0.101 R)
• M17: 27,810,095 km (0.091 R)
• M18: 32,549,804 km (0.066 R)
• M19: 33,406,850 km (0.12 R)
• M20: 37,451,229 km (0.076 R)
• M21: 40,690,770 km (0.071 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636.4

Radius: 9.6

Gravity: 6.91 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 10.01 AU - 12.25 AU

Year: 13562 Days

Day: 9.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 75.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 84,415,302 km

• M1: 119,379 km (0.116 R)
• M2: 524,191 km (0.066 R)
• M3: 1,232,537 km (0.097 R)
• M4: 1,572,573 km (0.098 R)
• M5: 2,656,260 km (0.1 R)
• M6: 3,434,019 km (0.12 R)
• M7: 3,834,493 km (0.039 R)
• M8: 6,056,769 km (0.095 R)
• M9: 6,643,492 km (0.092 R)
• M10: 8,021,887 km (0.05 R)
• M11: 9,124,273 km (0.072 R)
• M12: 10,162,333 km (0.099 R)
• M13: 10,488,606 km (0.091 R)
• M14: 11,864,308 km (0.11 R)
• M15: 15,896,868 km (0.086 R)
• M16: 16,337,135 km (0.05 R)
• M17: 21,286,879 km (0.045 R)
• M18: 26,328,926 km (0.101 R)
• M19: 28,637,221 km (0.108 R)
• M20: 31,077,162 km (0.113 R)
• M21: 31,997,788 km (0.113 R)
• M22: 32,700,000 km (0.08 R)
• M23: 33,173,926 km (0.081 R)
• M24: 42,788,881 km (0.07 R)
• M25: 46,564,581 km (0.112 R)
• M26: 52,312,281 km (0.086 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 596.8

Radius: 4.4

Gravity: 30.83 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 13.99 AU - 19.51 AU

Year: 25039 Days

Day: 24.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 84,415,302 km

• M1: 54,753 km (0.119 R)
• M2: 546,780 km (0.088 R)
• M3: 1,121,834 km (0.107 R)
• M4: 1,589,328 km (0.094 R)
• M5: 2,471,806 km (0.116 R)
• M6: 3,399,761 km (0.114 R)
• M7: 5,175,338 km (0.062 R)
• M8: 6,084,295 km (0.077 R)
• M9: 8,813,259 km (0.11 R)
• M10: 9,560,351 km (0.066 R)
• M11: 10,040,560 km (0.08 R)
• M12: 11,179,598 km (0.063 R)
• M13: 12,331,801 km (0.102 R)
• M14: 15,270,203 km (0.115 R)
• M15: 17,468,843 km (0.053 R)
• M16: 23,978,893 km (0.114 R)
• M17: 24,640,265 km (0.06 R)
• M18: 55,224,204 km (0.103 R)
• M19: 61,964,485 km (0.116 R)
• M20: 69,677,003 km (0.046 R)
• M21: 74,691,524 km (0.105 R)
• M22: 78,004,818 km (0.064 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 205 - 19,539 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit