🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.73

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.54 AU - 0.88 AU

Year: 221 Days

Day: 20.2 Hours

Environment

Temp: 106 °C

Axial Tilt: 15.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 42,108,403 km

• M1: 87,814 km (0.119 R)
• M2: 227,090 km (0.067 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.75

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.63 AU - 0.87 AU

Year: 240 Days

Day: 25.4 Hours

Environment

Temp: 189 °C

Axial Tilt: 43.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.72

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.82 AU - 1.28 AU

Year: 397 Days

Day: 17.1 Hours

Environment

Temp: 10 °C

Axial Tilt: 42.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.74

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 2.04 AU - 3.22 AU

Year: 1574 Days

Day: 20.2 Hours

Environment

Temp: -97 °C

Axial Tilt: 35.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.42

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 2.44 AU - 3.24 AU

Year: 1766 Days

Day: 38.9 Hours

Environment

Temp: -109 °C

Axial Tilt: 29 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 725.8

Radius: 12.4

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 5.12 AU - 5.18 AU

Year: 4312 Days

Day: 6.7 Hours

Environment

Temp: -153 °C

Axial Tilt: 80.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 42,108,403 km

• M1: 154,535 km (0.029 R)
• M2: 630,555 km (0.086 R)
• M3: 1,263,803 km (0.09 R)
• M4: 1,837,810 km (0.108 R)
• M5: 2,766,962 km (0.117 R)
• M6: 3,338,127 km (0.114 R)
• M7: 3,768,969 km (0.113 R)
• M8: 4,794,163 km (0.09 R)
• M9: 5,908,966 km (0.1 R)
• M10: 6,574,677 km (0.113 R)
• M11: 7,771,460 km (0.053 R)
• M12: 10,811,887 km (0.09 R)
• M13: 14,462,374 km (0.033 R)
• M14: 15,391,676 km (0.064 R)
• M15: 19,250,254 km (0.096 R)
• M16: 20,918,569 km (0.078 R)
• M17: 21,964,707 km (0.113 R)
• M18: 25,469,037 km (0.11 R)
• M19: 27,808,150 km (0.094 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 915.7

Radius: 13.8

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 4.48 AU - 6.7 AU

Year: 4876 Days

Day: 5.4 Hours

Environment

Temp: -158 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 42,108,403 km

• M1: 171,589 km (0.069 R)
• M2: 615,894 km (0.099 R)
• M3: 1,179,130 km (0.057 R)
• M4: 1,985,613 km (0.06 R)
• M5: 3,339,024 km (0.091 R)
• M6: 3,838,382 km (0.106 R)
• M7: 4,539,248 km (0.091 R)
• M8: 5,734,685 km (0.093 R)
• M9: 6,358,059 km (0.026 R)
• M10: 7,449,376 km (0.084 R)
• M11: 7,927,042 km (0.092 R)
• M12: 8,503,741 km (0.032 R)
• M13: 9,442,318 km (0.114 R)
• M14: 10,268,847 km (0.112 R)
• M15: 11,381,107 km (0.102 R)
• M16: 12,470,030 km (0.051 R)
• M17: 14,120,693 km (0.106 R)
• M18: 15,495,647 km (0.079 R)
• M19: 15,973,163 km (0.095 R)
• M20: 18,644,083 km (0.057 R)
• M21: 19,252,947 km (0.092 R)
• M22: 19,735,699 km (0.063 R)
• M23: 20,439,407 km (0.106 R)
• M24: 23,815,083 km (0.086 R)
• M25: 24,937,067 km (0.111 R)
• M26: 27,027,698 km (0.034 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 471.1

Radius: 13.1

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 7.98 AU - 9.98 AU

Year: 9929 Days

Day: 13.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 42,108,403 km

• M1: 162,912 km (0.074 R)
• M2: 943,514 km (0.098 R)
• M3: 2,055,475 km (0.063 R)
• M4: 2,556,628 km (0.057 R)
• M5: 3,615,631 km (0.069 R)
• M6: 4,245,737 km (0.067 R)
• M7: 4,918,628 km (0.097 R)
• M8: 5,406,168 km (0.081 R)
• M9: 5,892,211 km (0.071 R)
• M10: 8,909,750 km (0.053 R)
• M11: 9,359,740 km (0.101 R)
• M12: 9,824,840 km (0.052 R)
• M13: 11,950,028 km (0.113 R)
• M14: 12,722,102 km (0.066 R)
• M15: 13,351,909 km (0.052 R)
• M16: 14,488,703 km (0.04 R)
• M17: 18,868,181 km (0.043 R)
• M18: 21,238,858 km (0.028 R)
• M19: 22,869,774 km (0.104 R)
• M20: 23,973,807 km (0.048 R)
• M21: 27,029,194 km (0.104 R)
• M22: 28,747,624 km (0.077 R)
• M23: 29,733,175 km (0.06 R)
• M24: 34,891,160 km (0.118 R)
• M25: 37,273,656 km (0.081 R)
• M26: 38,682,718 km (0.099 R)
• M27: 40,127,086 km (0.105 R)
• M28: 41,982,698 km (0.036 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: 180 - 16,456 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit