🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.59

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.96 AU - 1.44 AU

Year: 495 Days

Day: 39.2 Hours

Environment

Temp: 6 °C

Axial Tilt: 6.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.67

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.25 AU - 1.65 AU

Year: 658 Days

Day: 37.5 Hours

Environment

Temp: -44 °C

Axial Tilt: 4.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.57

Radius: 0.8

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.43 AU - 1.69 AU

Year: 734 Days

Day: 13.5 Hours

Environment

Temp: -42 °C

Axial Tilt: 50 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.69

Radius: 0.86

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 2.28 AU - 3.38 AU

Year: 1794 Days

Day: 27.3 Hours

Environment

Temp: -106 °C

Axial Tilt: 6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.14

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 2.43 AU - 3.79 AU

Year: 2066 Days

Day: 34.1 Hours

Environment

Temp: -110 °C

Axial Tilt: 3.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 23,422,307 km

• M1: 2,754,845 km (0.11 R)

Asteroid Belt

Center: 5.35 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 7.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 915.4

Radius: 9.5

Gravity: 10.14 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 7.14 AU - 8.02 AU

Year: 7862 Days

Day: 14.1 Hours

Environment

Temp: -167 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 23,422,307 km

• M1: 131,646 km (0.047 R)
• M2: 450,738 km (0.051 R)
• M3: 1,281,455 km (0.069 R)
• M4: 2,228,410 km (0.044 R)
• M5: 2,638,158 km (0.109 R)
• M6: 3,164,593 km (0.102 R)
• M7: 3,734,412 km (0.074 R)
• M8: 4,399,374 km (0.057 R)
• M9: 4,864,923 km (0.106 R)
• M10: 6,646,035 km (0.075 R)
• M11: 7,703,842 km (0.081 R)
• M12: 8,425,053 km (0.117 R)
• M13: 9,006,540 km (0.084 R)
• M14: 11,876,874 km (0.057 R)
• M15: 15,176,255 km (0.096 R)
• M16: 15,503,725 km (0.09 R)
• M17: 16,037,191 km (0.107 R)
• M18: 16,514,109 km (0.052 R)
• M19: 16,930,290 km (0.111 R)
• M20: 17,639,534 km (0.11 R)
• M21: 18,368,524 km (0.079 R)
• M22: 24,579,678 km (0.071 R)
• M23: 28,351,340 km (0.104 R)
• M24: 31,210,005 km (0.112 R)
• M25: 36,198,197 km (0.092 R)
• M26: 36,783,274 km (0.084 R)
• M27: 40,176,902 km (0.05 R)
• M28: 40,552,392 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.3

Radius: 14.2

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 7.93 AU - 8.37 AU

Year: 8765 Days

Day: 8.6 Hours

Environment

Temp: -161 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 23,422,307 km

• M1: 179,069 km (0.097 R)
• M2: 636,689 km (0.108 R)
• M3: 1,196,633 km (0.096 R)
• M4: 1,668,615 km (0.099 R)
• M5: 2,491,852 km (0.082 R)
• M6: 3,217,401 km (0.109 R)
• M7: 3,736,955 km (0.111 R)
• M8: 4,608,512 km (0.096 R)
• M9: 6,267,403 km (0.042 R)
• M10: 7,308,454 km (0.105 R)
• M11: 8,051,058 km (0.092 R)
• M12: 8,587,815 km (0.071 R)
• M13: 9,060,545 km (0.118 R)
• M14: 9,641,732 km (0.068 R)
• M15: 10,343,047 km (0.091 R)
• M16: 11,128,586 km (0.119 R)
• M17: 13,041,643 km (0.051 R)
• M18: 13,783,649 km (0.066 R)
• M19: 17,785,691 km (0.084 R)
• M20: 19,865,251 km (0.096 R)
• M21: 21,390,850 km (0.12 R)
• M22: 22,911,213 km (0.045 R)
• M23: 26,889,469 km (0.087 R)
• M24: 29,234,117 km (0.057 R)
• M25: 31,004,607 km (0.093 R)
• M26: 35,193,497 km (0.065 R)
• M27: 36,520,431 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 20.7

Radius: 4.9

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 11.63 AU - 16.29 AU

Year: 19650 Days

Day: 18.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 23,422,307 km

• M1: 139,724 km (0.062 R)
• M2: 348,862 km (0.112 R)
• M3: 1,215,782 km (0.085 R)
• M4: 1,742,815 km (0.11 R)
• M5: 1,931,309 km (0.102 R)
• M6: 3,051,797 km (0.091 R)
• M7: 3,719,153 km (0.057 R)
• M8: 4,076,243 km (0.083 R)
• M9: 5,655,548 km (0.072 R)
• M10: 7,055,784 km (0.105 R)
• M11: 8,422,211 km (0.119 R)
• M12: 12,293,055 km (0.079 R)
• M13: 14,106,032 km (0.04 R)
• M14: 17,781,652 km (0.039 R)
• M15: 17,957,130 km (0.115 R)
• M16: 19,340,910 km (0.106 R)
• M17: 20,923,955 km (0.117 R)
• M18: 21,185,003 km (0.039 R)
• M19: 22,048,482 km (0.101 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 302 - 13,795 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit