🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.01

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.5 AU - 0.6 AU

Year: 143 Days

Day: 20.8 Hours

Environment

Temp: 268 °C

Axial Tilt: 35.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.71

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.93 AU - 1.39 AU

Year: 439 Days

Day: 14.4 Hours

Environment

Temp: 13 °C

Axial Tilt: 34 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 53,300,072 km

• M1: 43,832 km (0.116 R)

Planet 3 - Terrestrial

Semi-Major Axis: 4.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.19

Radius: 1.07

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 4.46 AU - 5.18 AU

Year: 3719 Days

Day: 33.7 Hours

Environment

Temp: -134 °C

Axial Tilt: 6.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.64 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 829

Radius: 11.5

Gravity: 6.27 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 6.41 AU - 6.49 AU

Year: 5757 Days

Day: 11.7 Hours

Environment

Temp: -150 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 53,300,072 km

• M1: 144,811 km (0.109 R)
• M2: 576,999 km (0.102 R)
• M3: 940,971 km (0.028 R)
• M4: 1,855,014 km (0.098 R)
• M5: 2,312,933 km (0.05 R)
• M6: 3,162,649 km (0.114 R)
• M7: 4,623,621 km (0.096 R)
• M8: 5,208,699 km (0.115 R)
• M9: 5,842,395 km (0.072 R)
• M10: 7,596,879 km (0.071 R)
• M11: 9,856,705 km (0.107 R)
• M12: 10,219,180 km (0.096 R)
• M13: 10,637,755 km (0.108 R)
• M14: 12,116,081 km (0.098 R)
• M15: 12,744,243 km (0.119 R)
• M16: 13,175,084 km (0.112 R)
• M17: 15,295,335 km (0.107 R)
• M18: 15,720,791 km (0.061 R)
• M19: 16,851,003 km (0.075 R)
• M20: 18,373,012 km (0.085 R)
• M21: 20,201,696 km (0.097 R)
• M22: 21,235,268 km (0.093 R)
• M23: 24,136,120 km (0.037 R)
• M24: 25,638,831 km (0.112 R)
• M25: 27,648,379 km (0.1 R)
• M26: 28,008,312 km (0.067 R)
• M27: 29,292,909 km (0.086 R)
• M28: 30,139,034 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 810.1

Radius: 14.9

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 8.11 AU - 11.49 AU

Year: 10782 Days

Day: 7.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 53,300,072 km

• M1: 191,186 km (0.043 R)
• M2: 2,309,941 km (0.12 R)
• M3: 3,872,939 km (0.072 R)
• M4: 5,188,503 km (0.091 R)
• M5: 6,904,690 km (0.085 R)
• M6: 7,959,355 km (0.111 R)
• M7: 19,927,783 km (0.102 R)
• M8: 21,708,745 km (0.104 R)
• M9: 22,325,238 km (0.054 R)
• M10: 26,873,313 km (0.117 R)
• M11: 34,324,035 km (0.036 R)
• M12: 36,877,371 km (0.098 R)
• M13: 41,680,211 km (0.094 R)
• M14: 42,908,559 km (0.098 R)
• M15: 48,362,448 km (0.089 R)
• M16: 49,112,831 km (0.079 R)

Kuiper Belt

Range: 31.2 - 54.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 163 - 17,983 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit