🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.53

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.19 AU - 1.19 AU

Year: 481 Days

Day: 25.9 Hours

Environment

Temp: -3 °C

Axial Tilt: 19.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.89

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 3.24 AU - 4.3 AU

Year: 2715 Days

Day: 20.8 Hours

Environment

Temp: -121 °C

Axial Tilt: 17.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.6 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559.1

Radius: 8.3

Gravity: 8.12 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 4.27 AU - 6.59 AU

Year: 4692 Days

Day: 12.9 Hours

Environment

Temp: -143 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 52,126,458 km

• M1: 103,821 km (0.08 R)
• M2: 406,158 km (0.081 R)
• M3: 740,210 km (0.117 R)
• M4: 1,457,083 km (0.066 R)
• M5: 2,275,683 km (0.118 R)
• M6: 3,451,372 km (0.036 R)
• M7: 4,183,504 km (0.095 R)
• M8: 4,537,752 km (0.072 R)
• M9: 5,553,522 km (0.106 R)
• M10: 8,027,721 km (0.115 R)
• M11: 10,245,210 km (0.079 R)
• M12: 24,469,425 km (0.081 R)
• M13: 24,849,403 km (0.064 R)
• M14: 26,408,512 km (0.111 R)
• M15: 27,050,137 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 8.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 862.8

Radius: 11.9

Gravity: 6.09 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 7.13 AU - 10.23 AU

Year: 9484 Days

Day: 8.3 Hours

Environment

Temp: -166 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 52,126,458 km

• M1: 193,430 km (0.097 R)
• M2: 685,757 km (0.056 R)
• M3: 1,128,566 km (0.057 R)
• M4: 1,690,456 km (0.1 R)
• M5: 2,610,632 km (0.115 R)
• M6: 3,918,716 km (0.052 R)
• M7: 8,991,281 km (0.031 R)
• M8: 10,020,215 km (0.118 R)
• M9: 15,199,293 km (0.039 R)
• M10: 16,800,738 km (0.112 R)
• M11: 20,336,484 km (0.106 R)
• M12: 20,748,477 km (0.067 R)
• M13: 23,790,400 km (0.058 R)
• M14: 26,624,681 km (0.039 R)
• M15: 27,018,871 km (0.116 R)
• M16: 32,729,172 km (0.074 R)
• M17: 33,295,400 km (0.06 R)
• M18: 33,983,699 km (0.049 R)
• M19: 38,690,198 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666.2

Radius: 13.6

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 8.44 AU - 11.3 AU

Year: 11500 Days

Day: 12.5 Hours

Environment

Temp: -170 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 52,126,458 km

• M1: 190,139 km (0.11 R)
• M2: 692,788 km (0.061 R)
• M3: 1,226,254 km (0.087 R)
• M4: 3,672,029 km (0.102 R)
• M5: 4,416,428 km (0.048 R)
• M6: 6,357,012 km (0.093 R)
• M7: 9,740,766 km (0.029 R)
• M8: 10,306,695 km (0.101 R)
• M9: 11,280,128 km (0.099 R)
• M10: 16,219,551 km (0.102 R)
• M11: 22,708,059 km (0.059 R)
• M12: 25,302,834 km (0.093 R)
• M13: 28,295,839 km (0.069 R)
• M14: 31,074,619 km (0.05 R)
• M15: 32,872,187 km (0.065 R)
• M16: 34,147,808 km (0.1 R)
• M17: 36,305,758 km (0.1 R)
• M18: 41,558,288 km (0.05 R)
• M19: 42,639,133 km (0.069 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 321 - 15,796 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit