🌌 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: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.45

Radius: 0.73

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.53 AU - 0.57 AU

Year: 183 Days

Day: 29.4 Hours

Environment

Temp: 26 °C

Axial Tilt: 31.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 69,644,851 km

• M1: 17,054 km (0.112 R)
• M2: 261,347 km (0.119 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.91

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.52 AU - 0.58 AU

Year: 183 Days

Day: 47.2 Hours

Environment

Temp: 25 °C

Axial Tilt: 13.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 69,644,851 km

• M1: 51,462 km (0.066 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.4

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.44 AU - 0.74 AU

Year: 204 Days

Day: 38.4 Hours

Environment

Temp: 17 °C

Axial Tilt: 28.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Gas Giant

Semi-Major Axis: 6.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851.9

Radius: 12.3

Gravity: 5.63 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 5.54 AU - 7.72 AU

Year: 7675 Days

Day: 14.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 69,644,851 km

• M1: 153,039 km (0.104 R)
• M2: 650,003 km (0.042 R)
• M3: 1,303,895 km (0.099 R)
• M4: 1,815,669 km (0.115 R)
• M5: 2,515,638 km (0.107 R)
• M6: 3,697,162 km (0.085 R)
• M7: 4,796,706 km (0.041 R)
• M8: 6,137,701 km (0.106 R)
• M9: 6,672,813 km (0.101 R)
• M10: 8,295,950 km (0.035 R)
• M11: 10,217,535 km (0.063 R)
• M12: 11,073,982 km (0.114 R)
• M13: 11,653,225 km (0.1 R)
• M14: 12,308,165 km (0.09 R)
• M15: 13,395,293 km (0.103 R)
• M16: 15,304,760 km (0.105 R)
• M17: 19,963,836 km (0.1 R)
• M18: 22,115,951 km (0.1 R)
• M19: 28,506,622 km (0.097 R)
• M20: 30,609,819 km (0.077 R)
• M21: 31,229,303 km (0.08 R)
• M22: 34,786,741 km (0.064 R)
• M23: 39,572,377 km (0.096 R)
• M24: 40,184,382 km (0.119 R)

Planet 5 - Ice Giant

Semi-Major Axis: 12.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 594.1

Radius: 7

Gravity: 12.12 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 11.09 AU - 13.01 AU

Year: 18806 Days

Day: 22 Hours

Environment

Temp: -209 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 69,644,851 km

• M1: 102,026 km (0.075 R)
• M2: 635,193 km (0.046 R)
• M3: 978,220 km (0.119 R)
• M4: 1,366,876 km (0.086 R)
• M5: 1,714,242 km (0.117 R)
• M6: 2,496,938 km (0.116 R)
• M7: 3,332,293 km (0.075 R)
• M8: 3,638,968 km (0.057 R)
• M9: 4,149,995 km (0.109 R)
• M10: 4,673,587 km (0.109 R)
• M11: 5,971,947 km (0.035 R)
• M12: 9,643,528 km (0.083 R)
• M13: 10,037,718 km (0.111 R)
• M14: 10,619,504 km (0.105 R)
• M15: 12,632,643 km (0.066 R)
• M16: 13,449,148 km (0.039 R)
• M17: 15,797,834 km (0.057 R)
• M18: 16,584,570 km (0.051 R)
• M19: 20,084,711 km (0.112 R)
• M20: 24,564,120 km (0.046 R)
• M21: 33,350,452 km (0.117 R)
• M22: 35,169,113 km (0.093 R)
• M23: 48,301,263 km (0.115 R)
• M24: 48,628,882 km (0.072 R)
• M25: 50,121,570 km (0.089 R)
• M26: 56,398,098 km (0.048 R)
• M27: 57,309,299 km (0.11 R)
• M28: 68,813,525 km (0.07 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 347 - 17,012 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit