🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.4

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.62 AU - 0.62 AU

Year: 213 Days

Day: 47.5 Hours

Environment

Temp: 2 °C

Axial Tilt: 33.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.54

Radius: 1.66

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.62 AU - 0.74 AU

Year: 245 Days

Day: 40.3 Hours

Environment

Temp: 12 °C

Axial Tilt: 22 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 32,864,183 km

• M1: 307,274 km (0.074 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.33

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.74 AU - 0.88 AU

Year: 318 Days

Day: 28.3 Hours

Environment

Temp: -39 °C

Axial Tilt: 35.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 863.3

Radius: 8.5

Gravity: 11.95 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 2.67 AU - 2.87 AU

Year: 2013 Days

Day: 12.6 Hours

Environment

Temp: -135 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 32,864,183 km

• M1: 105,766 km (0.102 R)
• M2: 385,215 km (0.028 R)
• M3: 674,088 km (0.102 R)
• M4: 1,106,575 km (0.097 R)
• M5: 1,453,044 km (0.112 R)
• M6: 1,803,851 km (0.119 R)
• M7: 2,422,887 km (0.071 R)
• M8: 3,160,255 km (0.111 R)
• M9: 3,942,801 km (0.098 R)
• M10: 5,072,714 km (0.07 R)
• M11: 6,013,834 km (0.104 R)
• M12: 6,512,594 km (0.116 R)
• M13: 7,895,626 km (0.081 R)
• M14: 9,223,606 km (0.117 R)
• M15: 9,674,345 km (0.12 R)
• M16: 10,175,946 km (0.091 R)
• M17: 10,582,105 km (0.116 R)
• M18: 11,076,077 km (0.1 R)
• M19: 13,690,748 km (0.049 R)
• M20: 14,095,111 km (0.076 R)
• M21: 14,927,773 km (0.076 R)
• M22: 15,260,329 km (0.028 R)
• M23: 15,989,619 km (0.109 R)
• M24: 16,792,810 km (0.079 R)
• M25: 17,781,353 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 474.5

Radius: 9.1

Gravity: 5.73 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 5.44 AU - 7.06 AU

Year: 6821 Days

Day: 7.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 32,864,183 km

• M1: 113,246 km (0.084 R)
• M2: 452,534 km (0.104 R)
• M3: 863,329 km (0.05 R)
• M4: 1,279,511 km (0.1 R)
• M5: 2,522,370 km (0.054 R)
• M6: 3,895,977 km (0.097 R)
• M7: 4,825,279 km (0.114 R)
• M8: 5,270,333 km (0.103 R)
• M9: 6,908,130 km (0.059 R)
• M10: 7,222,884 km (0.094 R)
• M11: 7,956,512 km (0.087 R)
• M12: 8,658,426 km (0.047 R)
• M13: 9,528,936 km (0.099 R)
• M14: 10,096,360 km (0.104 R)
• M15: 11,835,136 km (0.116 R)
• M16: 13,600,990 km (0.113 R)
• M17: 14,208,207 km (0.092 R)
• M18: 16,138,319 km (0.063 R)
• M19: 16,818,840 km (0.086 R)
• M20: 20,655,277 km (0.064 R)
• M21: 21,383,669 km (0.081 R)
• M22: 21,828,872 km (0.064 R)
• M23: 22,432,051 km (0.049 R)
• M24: 26,034,069 km (0.102 R)
• M25: 29,089,156 km (0.119 R)
• M26: 31,032,582 km (0.077 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 365 - 15,918 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit