🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.38

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.45 AU - 0.71 AU

Year: 168 Days

Day: 14.8 Hours

Environment

Temp: 178 °C

Axial Tilt: 37.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 85,621,574 km

• M1: 302,337 km (0.071 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.43

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.93 AU - 1.27 AU

Year: 439 Days

Day: 34.4 Hours

Environment

Temp: -6 °C

Axial Tilt: 26.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.47

Radius: 0.74

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.18 AU - 1.22 AU

Year: 501 Days

Day: 13.5 Hours

Environment

Temp: -33 °C

Axial Tilt: 2.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.45

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.23 AU - 1.73 AU

Year: 686 Days

Day: 37.5 Hours

Environment

Temp: -53 °C

Axial Tilt: 16.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.44

Radius: 1.16

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 2.12 AU - 2.12 AU

Year: 1175 Days

Day: 40.8 Hours

Environment

Temp: -89 °C

Axial Tilt: 8.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 85,621,574 km

• M1: 32,762 km (0.054 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.63

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.79 AU - 2.57 AU

Year: 1226 Days

Day: 46.2 Hours

Environment

Temp: -86 °C

Axial Tilt: 32 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.06

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 2.5 AU - 2.68 AU

Year: 1587 Days

Day: 32.8 Hours

Environment

Temp: -100 °C

Axial Tilt: 20.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 85,621,574 km

• M1: 80,783 km (0.052 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 152.6

Radius: 3.9

Gravity: 10.03 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 9.44 AU - 15.26 AU

Year: 16527 Days

Day: 15.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 85,621,574 km

• M1: 118,631 km (0.089 R)
• M2: 948,600 km (0.086 R)
• M3: 1,304,493 km (0.099 R)
• M4: 3,207,079 km (0.088 R)
• M5: 4,850,711 km (0.038 R)
• M6: 5,089,320 km (0.112 R)
• M7: 10,934,856 km (0.103 R)
• M8: 11,449,024 km (0.037 R)
• M9: 13,550,575 km (0.068 R)
• M10: 14,753,641 km (0.099 R)
• M11: 37,882,669 km (0.103 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 774.3

Radius: 5.9

Gravity: 22.24 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 13.79 AU - 16.51 AU

Year: 22455 Days

Day: 24.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 85,621,574 km

• M1: 73,453 km (0.066 R)
• M2: 323,580 km (0.11 R)
• M3: 669,450 km (0.12 R)
• M4: 1,378,245 km (0.118 R)
• M5: 1,683,425 km (0.095 R)
• M6: 2,095,717 km (0.072 R)
• M7: 5,466,755 km (0.082 R)
• M8: 6,640,500 km (0.088 R)
• M9: 9,126,368 km (0.057 R)
• M10: 9,893,506 km (0.06 R)
• M11: 12,102,169 km (0.086 R)
• M12: 12,954,278 km (0.096 R)
• M13: 14,777,427 km (0.099 R)
• M14: 15,177,602 km (0.117 R)
• M15: 16,167,790 km (0.112 R)
• M16: 16,938,069 km (0.065 R)
• M17: 17,822,492 km (0.03 R)
• M18: 19,779,082 km (0.059 R)
• M19: 20,461,847 km (0.077 R)
• M20: 22,604,537 km (0.089 R)
• M21: 24,113,382 km (0.085 R)
• M22: 26,735,832 km (0.051 R)
• M23: 28,668,338 km (0.069 R)
• M24: 38,523,396 km (0.09 R)
• M25: 40,826,755 km (0.086 R)
• M26: 41,773,261 km (0.112 R)
• M27: 43,383,083 km (0.037 R)
• M28: 46,726,147 km (0.12 R)
• M29: 47,069,624 km (0.106 R)
• M30: 49,343,212 km (0.074 R)
• M31: 53,168,878 km (0.041 R)
• M32: 53,355,876 km (0.088 R)
• M33: 53,731,067 km (0.086 R)
• M34: 61,816,383 km (0.091 R)
• M35: 62,023,128 km (0.118 R)
• M36: 62,437,962 km (0.096 R)
• M37: 71,355,342 km (0.083 R)
• M38: 71,810,867 km (0.077 R)
• M39: 76,710,946 km (0.12 R)
• M40: 81,829,287 km (0.074 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: 145 - 16,840 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit