🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.8 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.6 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.32

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.38 AU - 1.82 AU

Year: 708 Days

Day: 22.7 Hours

Environment

Temp: 1 °C

Axial Tilt: 11.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.79

Radius: 0.91

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 3.23 AU - 3.69 AU

Year: 2252 Days

Day: 46 Hours

Environment

Temp: -107 °C

Axial Tilt: 33.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.26 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 9.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 524.4

Radius: 9.5

Gravity: 5.81 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 8.65 AU - 9.47 AU

Year: 9540 Days

Day: 6.5 Hours

Environment

Temp: -174 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 59,517,395 km

• M1: 118,930 km (0.089 R)
• M2: 427,551 km (0.116 R)
• M3: 772,374 km (0.099 R)
• M4: 1,468,004 km (0.118 R)
• M5: 1,813,276 km (0.102 R)
• M6: 2,352,875 km (0.101 R)
• M7: 3,582,271 km (0.086 R)
• M8: 4,216,117 km (0.032 R)
• M9: 5,383,579 km (0.116 R)
• M10: 5,805,893 km (0.091 R)
• M11: 7,284,519 km (0.088 R)
• M12: 7,966,087 km (0.064 R)
• M13: 8,954,929 km (0.073 R)
• M14: 9,455,782 km (0.104 R)
• M15: 12,580,283 km (0.079 R)
• M16: 14,282,857 km (0.106 R)
• M17: 14,653,411 km (0.054 R)
• M18: 17,995,876 km (0.027 R)
• M19: 20,150,833 km (0.098 R)
• M20: 21,170,642 km (0.11 R)
• M21: 27,450,012 km (0.12 R)
• M22: 40,124,991 km (0.102 R)
• M23: 40,739,839 km (0.083 R)
• M24: 41,486,033 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 10.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 941.6

Radius: 13.8

Gravity: 4.94 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 9.3 AU - 11.58 AU

Year: 11801 Days

Day: 6.2 Hours

Environment

Temp: -163 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 59,517,395 km

• M1: 173,384 km (0.072 R)
• M2: 618,438 km (0.088 R)
• M3: 1,076,805 km (0.106 R)
• M4: 1,574,518 km (0.11 R)
• M5: 2,871,830 km (0.071 R)
• M6: 3,638,071 km (0.102 R)
• M7: 4,922,967 km (0.106 R)
• M8: 8,759,105 km (0.12 R)
• M9: 10,099,203 km (0.101 R)
• M10: 10,989,460 km (0.099 R)
• M11: 11,870,890 km (0.119 R)
• M12: 13,183,612 km (0.096 R)
• M13: 15,223,827 km (0.074 R)
• M14: 22,230,094 km (0.114 R)
• M15: 25,509,728 km (0.067 R)
• M16: 26,740,619 km (0.089 R)
• M17: 28,334,286 km (0.098 R)
• M18: 33,859,982 km (0.085 R)
• M19: 39,521,065 km (0.092 R)
• M20: 43,290,632 km (0.111 R)
• M21: 51,214,083 km (0.107 R)
• M22: 57,580,520 km (0.083 R)

Kuiper Belt

Range: 31.4 - 57.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 436 - 15,950 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit