🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.23

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.63 AU - 0.87 AU

Year: 242 Days

Day: 44.5 Hours

Environment

Temp: 127 °C

Axial Tilt: 9.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 57,805,802 km

• M1: 37,549 km (0.104 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.78

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.86 AU - 1.22 AU

Year: 395 Days

Day: 47.4 Hours

Environment

Temp: 10 °C

Axial Tilt: 39.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.71

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1 AU - 1.46 AU

Year: 509 Days

Day: 13 Hours

Environment

Temp: -4 °C

Axial Tilt: 12.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 57,805,802 km

• M1: 562,937 km (0.105 R)

Asteroid Belt

Center: 3.91 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 596.7

Radius: 12.3

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 6.12 AU - 7.06 AU

Year: 6306 Days

Day: 5.4 Hours

Environment

Temp: -160 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 57,805,802 km

• M1: 153,039 km (0.089 R)
• M2: 550,221 km (0.069 R)
• M3: 1,412,802 km (0.098 R)
• M4: 2,548,101 km (0.108 R)
• M5: 3,544,123 km (0.062 R)
• M6: 4,023,584 km (0.1 R)
• M7: 5,085,879 km (0.081 R)
• M8: 5,547,987 km (0.1 R)
• M9: 6,069,784 km (0.085 R)
• M10: 6,793,539 km (0.098 R)
• M11: 10,322,702 km (0.061 R)
• M12: 10,877,261 km (0.084 R)
• M13: 11,354,478 km (0.042 R)
• M14: 13,297,156 km (0.06 R)
• M15: 16,991,326 km (0.095 R)
• M16: 20,372,388 km (0.09 R)
• M17: 22,068,827 km (0.11 R)
• M18: 24,258,791 km (0.065 R)
• M19: 24,746,330 km (0.105 R)
• M20: 26,934,947 km (0.075 R)
• M21: 30,833,019 km (0.085 R)
• M22: 32,768,217 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 925.6

Radius: 10.9

Gravity: 7.79 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 6.63 AU - 6.75 AU

Year: 6451 Days

Day: 7.5 Hours

Environment

Temp: -158 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 57,805,802 km

• M1: 147,952 km (0.075 R)
• M2: 596,746 km (0.108 R)
• M3: 1,254,229 km (0.101 R)
• M4: 1,768,696 km (0.118 R)
• M5: 2,165,130 km (0.044 R)
• M6: 2,677,802 km (0.053 R)
• M7: 3,077,527 km (0.118 R)
• M8: 3,704,342 km (0.113 R)
• M9: 4,605,670 km (0.075 R)
• M10: 5,906,124 km (0.116 R)
• M11: 8,524,535 km (0.045 R)
• M12: 9,306,334 km (0.088 R)
• M13: 12,046,668 km (0.065 R)
• M14: 12,975,072 km (0.069 R)
• M15: 14,068,483 km (0.096 R)
• M16: 16,768,425 km (0.071 R)
• M17: 17,579,695 km (0.036 R)
• M18: 20,397,520 km (0.036 R)
• M19: 21,165,855 km (0.071 R)
• M20: 22,842,248 km (0.1 R)
• M21: 29,165,451 km (0.06 R)
• M22: 31,746,015 km (0.078 R)
• M23: 32,882,210 km (0.11 R)
• M24: 35,565,099 km (0.1 R)
• M25: 37,470,676 km (0.117 R)
• M26: 38,622,879 km (0.083 R)
• M27: 39,443,423 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184.7

Radius: 12.7

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 9.18 AU - 12.06 AU

Year: 12902 Days

Day: 6.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 57,805,802 km

• M1: 159,023 km (0.039 R)
• M2: 557,701 km (0.12 R)
• M3: 1,154,447 km (0.068 R)
• M4: 3,761,339 km (0.078 R)
• M5: 4,483,299 km (0.105 R)
• M6: 5,445,512 km (0.102 R)
• M7: 6,854,126 km (0.085 R)
• M8: 8,289,966 km (0.109 R)
• M9: 8,740,854 km (0.046 R)
• M10: 9,426,012 km (0.112 R)
• M11: 10,568,042 km (0.071 R)
• M12: 12,745,290 km (0.093 R)
• M13: 13,347,122 km (0.109 R)
• M14: 14,490,199 km (0.094 R)
• M15: 18,657,248 km (0.089 R)
• M16: 19,866,448 km (0.099 R)
• M17: 24,470,023 km (0.081 R)
• M18: 25,572,410 km (0.113 R)
• M19: 27,784,962 km (0.104 R)
• M20: 35,399,195 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 198.9

Radius: 3.3

Gravity: 18.26 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 14.43 AU - 18.21 AU

Year: 24577 Days

Day: 23.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 57,805,802 km

• M1: 45,328 km (0.053 R)
• M2: 151,243 km (0.036 R)
• M3: 310,116 km (0.074 R)
• M4: 443,558 km (0.114 R)
• M5: 753,076 km (0.108 R)
• M6: 1,295,518 km (0.04 R)
• M7: 1,933,852 km (0.093 R)
• M8: 3,520,636 km (0.054 R)
• M9: 3,906,898 km (0.073 R)
• M10: 5,886,527 km (0.068 R)
• M11: 7,658,663 km (0.06 R)
• M12: 9,086,425 km (0.051 R)
• M13: 10,515,085 km (0.118 R)
• M14: 15,042,215 km (0.088 R)
• M15: 16,951,982 km (0.077 R)
• M16: 19,600,762 km (0.045 R)
• M17: 21,962,912 km (0.066 R)
• M18: 24,606,007 km (0.088 R)
• M19: 25,198,714 km (0.114 R)
• M20: 26,412,551 km (0.091 R)
• M21: 28,846,957 km (0.089 R)
• M22: 29,616,638 km (0.097 R)
• M23: 42,011,271 km (0.099 R)
• M24: 49,410,830 km (0.093 R)
• M25: 50,353,147 km (0.071 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 450 - 11,849 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit