🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.4

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.65 AU - 0.75 AU

Year: 224 Days

Day: 21.4 Hours

Environment

Temp: 90 °C

Axial Tilt: 22.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.58

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 0.92 AU - 0.94 AU

Year: 343 Days

Day: 28.5 Hours

Environment

Temp: 12 °C

Axial Tilt: 18.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 50,223,194 km

• M1: 53,706 km (0.08 R)
• M2: 180,116 km (0.049 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.13

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.95 AU - 1.13 AU

Year: 406 Days

Day: 30.2 Hours

Environment

Temp: 15 °C

Axial Tilt: 12.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.13 AU - 1.55 AU

Year: 594 Days

Day: 38.1 Hours

Environment

Temp: -50 °C

Axial Tilt: 7.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 50,223,194 km

• M1: 1,181,374 km (0.026 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.35

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.31 AU - 1.41 AU

Year: 607 Days

Day: 20.2 Hours

Environment

Temp: -37 °C

Axial Tilt: 48.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.81

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 2.24 AU - 3.28 AU

Year: 1756 Days

Day: 33 Hours

Environment

Temp: -102 °C

Axial Tilt: 2.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 50,223,194 km

• M1: 65,225 km (0.047 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 267.4

Radius: 11.9

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 6.05 AU - 8.99 AU

Year: 7896 Days

Day: 12.8 Hours

Environment

Temp: -162 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 50,223,194 km

• M1: 148,551 km (0.064 R)
• M2: 665,411 km (0.086 R)
• M3: 1,631,963 km (0.098 R)
• M4: 2,482,726 km (0.099 R)
• M5: 3,008,862 km (0.085 R)
• M6: 3,716,161 km (0.103 R)
• M7: 4,631,700 km (0.098 R)
• M8: 5,075,407 km (0.095 R)
• M9: 6,140,245 km (0.12 R)
• M10: 6,548,048 km (0.074 R)
• M11: 7,142,550 km (0.094 R)
• M12: 8,439,713 km (0.087 R)
• M13: 10,187,914 km (0.077 R)
• M14: 11,032,843 km (0.119 R)
• M15: 11,827,806 km (0.09 R)
• M16: 12,312,952 km (0.094 R)
• M17: 18,371,217 km (0.097 R)
• M18: 21,211,632 km (0.111 R)
• M19: 22,001,508 km (0.073 R)
• M20: 27,074,522 km (0.092 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 85.1

Radius: 12.7

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 10.22 AU - 12.46 AU

Year: 14621 Days

Day: 6.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 50,223,194 km

• M1: 158,424 km (0.067 R)
• M2: 2,149,273 km (0.108 R)
• M3: 4,369,305 km (0.085 R)
• M4: 5,202,416 km (0.048 R)
• M5: 6,453,503 km (0.116 R)
• M6: 6,979,638 km (0.05 R)
• M7: 8,498,505 km (0.117 R)
• M8: 9,131,753 km (0.041 R)
• M9: 12,082,571 km (0.106 R)
• M10: 15,042,664 km (0.047 R)
• M11: 15,501,780 km (0.066 R)
• M12: 17,059,094 km (0.116 R)
• M13: 18,521,563 km (0.11 R)
• M14: 19,928,381 km (0.078 R)
• M15: 20,622,814 km (0.083 R)
• M16: 21,621,979 km (0.061 R)
• M17: 22,803,353 km (0.063 R)
• M18: 24,183,094 km (0.113 R)
• M19: 25,053,305 km (0.102 R)
• M20: 28,481,639 km (0.111 R)
• M21: 29,631,000 km (0.084 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 109.4

Radius: 7.6

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 15.96 AU - 18.04 AU

Year: 26838 Days

Day: 22.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 50,223,194 km

• M1: 133,591 km (0.025 R)
• M2: 396,734 km (0.094 R)
• M3: 915,988 km (0.109 R)
• M4: 1,488,948 km (0.108 R)
• M5: 1,768,097 km (0.113 R)
• M6: 3,729,475 km (0.113 R)
• M7: 5,299,056 km (0.118 R)
• M8: 5,778,068 km (0.112 R)
• M9: 6,822,710 km (0.065 R)
• M10: 7,684,992 km (0.056 R)
• M11: 7,944,245 km (0.04 R)
• M12: 11,305,709 km (0.103 R)
• M13: 12,629,052 km (0.114 R)
• M14: 15,787,213 km (0.064 R)
• M15: 16,490,772 km (0.078 R)
• M16: 17,068,519 km (0.054 R)
• M17: 22,186,711 km (0.1 R)
• M18: 23,248,407 km (0.113 R)
• M19: 26,342,240 km (0.094 R)
• M20: 28,861,169 km (0.062 R)
• M21: 37,621,471 km (0.082 R)
• M22: 41,333,293 km (0.076 R)
• M23: 49,773,456 km (0.119 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 215 - 14,293 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit