🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.7

Radius: 0.87

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.43 AU - 0.63 AU

Year: 136 Days

Day: 39 Hours

Environment

Temp: 218 °C

Axial Tilt: 34.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.47

Radius: 1.44

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.74 AU - 0.82 AU

Year: 242 Days

Day: 43.7 Hours

Environment

Temp: 171 °C

Axial Tilt: 10.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 96,012,969 km

• M1: 58,044 km (0.072 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.71

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.96 AU - 2.08 AU

Year: 1009 Days

Day: 38.9 Hours

Environment

Temp: -54 °C

Axial Tilt: 46.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 96,012,969 km

• M1: 136,433 km (0.102 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.99

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 2.34 AU - 3.2 AU

Year: 1620 Days

Day: 38.1 Hours

Environment

Temp: -74 °C

Axial Tilt: 19.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.05

Radius: 1.02

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 2.78 AU - 3.7 AU

Year: 2050 Days

Day: 12.1 Hours

Environment

Temp: -93 °C

Axial Tilt: 9.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.8

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 3.57 AU - 3.81 AU

Year: 2491 Days

Day: 39.9 Hours

Environment

Temp: -111 °C

Axial Tilt: 44.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 5.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.78

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 4.24 AU - 5.78 AU

Year: 3941 Days

Day: 35.7 Hours

Environment

Temp: -129 °C

Axial Tilt: 10.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Ice Giant

Semi-Major Axis: 18.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 740.5

Radius: 6.2

Gravity: 19.26 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 15.77 AU - 20.61 AU

Year: 27266 Days

Day: 16.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 96,012,969 km

• M1: 85,869 km (0.059 R)
• M2: 283,039 km (0.1 R)
• M3: 1,229,246 km (0.034 R)
• M4: 1,667,867 km (0.114 R)
• M5: 2,205,671 km (0.059 R)
• M6: 2,772,348 km (0.083 R)
• M7: 3,716,310 km (0.065 R)
• M8: 4,628,109 km (0.082 R)
• M9: 7,598,674 km (0.117 R)
• M10: 13,104,923 km (0.045 R)
• M11: 17,288,577 km (0.109 R)
• M12: 20,489,972 km (0.092 R)
• M13: 27,408,275 km (0.116 R)
• M14: 29,060,434 km (0.074 R)
• M15: 47,918,143 km (0.091 R)
• M16: 49,196,307 km (0.082 R)
• M17: 57,345,801 km (0.106 R)
• M18: 59,829,424 km (0.115 R)
• M19: 60,039,609 km (0.11 R)
• M20: 65,232,152 km (0.117 R)
• M21: 67,937,180 km (0.106 R)
• M22: 74,537,887 km (0.104 R)
• M23: 76,005,891 km (0.083 R)
• M24: 80,269,580 km (0.059 R)
• M25: 85,220,521 km (0.116 R)
• M26: 87,364,708 km (0.104 R)
• M27: 93,163,570 km (0.11 R)
• M28: 94,866,293 km (0.073 R)

Kuiper Belt

Range: 31.2 - 55.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 451 - 16,315 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit