🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.96

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.03 AU - 1.07 AU

Year: 391 Days

Day: 38.1 Hours

Environment

Temp: 12 °C

Axial Tilt: 33.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.05

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.9 AU - 1.22 AU

Year: 397 Days

Day: 25.8 Hours

Environment

Temp: 23 °C

Axial Tilt: 18.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.03

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.26 AU - 1.82 AU

Year: 695 Days

Day: 47.4 Hours

Environment

Temp: -37 °C

Axial Tilt: 34.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.64

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.57 AU - 2.51 AU

Year: 1059 Days

Day: 36.3 Hours

Environment

Temp: -57 °C

Axial Tilt: 33.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 111,784,715 km

• M1: 951,592 km (0.076 R)

Planet 5 - Ice Giant

Semi-Major Axis: 16.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 191.2

Radius: 7.3

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 12.57 AU - 20.11 AU

Year: 24005 Days

Day: 20.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 111,784,715 km

• M1: 93,798 km (0.08 R)
• M2: 1,244,205 km (0.075 R)
• M3: 1,826,740 km (0.092 R)
• M4: 2,578,170 km (0.083 R)
• M5: 3,625,804 km (0.115 R)
• M6: 3,926,944 km (0.107 R)
• M7: 4,274,759 km (0.088 R)
• M8: 4,867,167 km (0.064 R)
• M9: 6,253,041 km (0.065 R)
• M10: 6,487,611 km (0.071 R)
• M11: 11,373,926 km (0.102 R)
• M12: 13,453,935 km (0.109 R)
• M13: 13,714,235 km (0.083 R)
• M14: 15,847,202 km (0.094 R)
• M15: 17,566,081 km (0.071 R)
• M16: 21,458,019 km (0.119 R)
• M17: 21,903,223 km (0.118 R)
• M18: 27,422,038 km (0.114 R)
• M19: 29,668,848 km (0.066 R)
• M20: 33,323,973 km (0.092 R)
• M21: 38,431,693 km (0.037 R)
• M22: 39,485,760 km (0.084 R)
• M23: 42,204,850 km (0.045 R)
• M24: 43,185,315 km (0.059 R)
• M25: 52,380,797 km (0.073 R)

Planet 6 - Ice Giant

Semi-Major Axis: 19.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 837.2

Radius: 7.2

Gravity: 16.15 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 15.17 AU - 24.59 AU

Year: 32215 Days

Day: 21.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 111,784,715 km

• M1: 89,609 km (0.067 R)
• M2: 409,300 km (0.065 R)
• M3: 751,879 km (0.116 R)
• M4: 1,023,848 km (0.085 R)
• M5: 1,466,358 km (0.111 R)
• M6: 1,898,397 km (0.051 R)
• M7: 2,621,104 km (0.075 R)
• M8: 3,514,652 km (0.09 R)
• M9: 3,818,635 km (0.064 R)
• M10: 4,518,454 km (0.045 R)
• M11: 5,520,909 km (0.09 R)
• M12: 7,619,917 km (0.091 R)
• M13: 8,603,523 km (0.108 R)
• M14: 8,908,254 km (0.115 R)
• M15: 9,734,483 km (0.09 R)
• M16: 12,519,547 km (0.084 R)
• M17: 13,554,764 km (0.083 R)
• M18: 14,135,353 km (0.11 R)
• M19: 16,718,310 km (0.084 R)
• M20: 17,385,965 km (0.117 R)
• M21: 27,097,859 km (0.092 R)
• M22: 29,232,770 km (0.082 R)
• M23: 30,481,613 km (0.074 R)
• M24: 36,305,907 km (0.117 R)
• M25: 39,729,604 km (0.108 R)
• M26: 43,184,717 km (0.087 R)
• M27: 52,283,409 km (0.092 R)
• M28: 58,573,849 km (0.062 R)
• M29: 64,186,462 km (0.116 R)
• M30: 73,135,108 km (0.119 R)
• M31: 75,430,837 km (0.088 R)
• M32: 75,688,893 km (0.111 R)
• M33: 78,037,580 km (0.084 R)
• M34: 79,897,680 km (0.081 R)
• M35: 81,515,281 km (0.04 R)
• M36: 84,537,607 km (0.092 R)
• M37: 84,816,009 km (0.075 R)
• M38: 89,932,406 km (0.085 R)
• M39: 95,854,237 km (0.081 R)

Kuiper Belt

Range: 30.2 - 56.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 280 - 14,096 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit