🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.05

Radius: 1.33

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.45 AU - 0.57 AU

Year: 139 Days

Day: 31.8 Hours

Environment

Temp: 207 °C

Axial Tilt: 17.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 109,548,043 km

• M1: 59,690 km (0.101 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.32

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.71 AU - 0.8 AU

Year: 249 Days

Day: 34.8 Hours

Environment

Temp: 120 °C

Axial Tilt: 38.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.38

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.66 AU - 0.98 AU

Year: 284 Days

Day: 31.2 Hours

Environment

Temp: 42 °C

Axial Tilt: 48.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.26

Radius: 0.58

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.84 AU - 1.3 AU

Year: 424 Days

Day: 41.6 Hours

Environment

Temp: -2 °C

Axial Tilt: 59.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.17

Radius: 0.49

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.12 AU - 1.6 AU

Year: 607 Days

Day: 37.8 Hours

Environment

Temp: -45 °C

Axial Tilt: 16 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Ice Giant

Semi-Major Axis: 18.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 932.9

Radius: 6.3

Gravity: 23.5 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 13.7 AU - 22.6 AU

Year: 29606 Days

Day: 21.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 109,548,043 km

• M1: 78,389 km (0.085 R)
• M2: 335,847 km (0.09 R)
• M3: 1,517,222 km (0.101 R)
• M4: 2,748,262 km (0.115 R)
• M5: 2,946,180 km (0.116 R)
• M6: 3,339,623 km (0.105 R)
• M7: 3,631,937 km (0.064 R)
• M8: 5,713,741 km (0.065 R)
• M9: 5,990,796 km (0.109 R)
• M10: 7,404,496 km (0.116 R)
• M11: 9,089,118 km (0.091 R)
• M12: 9,339,993 km (0.076 R)
• M13: 10,053,725 km (0.039 R)
• M14: 10,458,088 km (0.058 R)
• M15: 13,275,315 km (0.096 R)
• M16: 16,283,728 km (0.057 R)
• M17: 18,490,746 km (0.092 R)
• M18: 26,804,348 km (0.068 R)
• M19: 28,506,921 km (0.026 R)
• M20: 31,407,624 km (0.091 R)
• M21: 35,728,310 km (0.063 R)
• M22: 38,111,254 km (0.082 R)
• M23: 39,093,364 km (0.111 R)
• M24: 41,450,578 km (0.103 R)
• M25: 43,191,149 km (0.079 R)
• M26: 54,256,455 km (0.101 R)
• M27: 54,462,152 km (0.108 R)
• M28: 54,875,192 km (0.052 R)
• M29: 56,971,806 km (0.095 R)
• M30: 63,352,903 km (0.115 R)
• M31: 67,306,476 km (0.104 R)
• M32: 67,782,047 km (0.098 R)
• M33: 71,916,184 km (0.073 R)
• M34: 74,933,424 km (0.099 R)
• M35: 76,473,384 km (0.106 R)
• M36: 77,772,492 km (0.062 R)
• M37: 81,758,378 km (0.084 R)
• M38: 82,843,860 km (0.092 R)
• M39: 83,390,042 km (0.102 R)
• M40: 96,326,069 km (0.105 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 483 - 12,560 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit