🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.9

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.46 AU - 0.54 AU

Year: 134 Days

Day: 12.7 Hours

Environment

Temp: 193 °C

Axial Tilt: 1.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.98

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.71 AU - 0.83 AU

Year: 256 Days

Day: 15.9 Hours

Environment

Temp: 92 °C

Axial Tilt: 38.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.99

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.3 AU - 1.38 AU

Year: 587 Days

Day: 27.2 Hours

Environment

Temp: -43 °C

Axial Tilt: 26.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.23

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.22 AU - 1.98 AU

Year: 767 Days

Day: 46.3 Hours

Environment

Temp: -62 °C

Axial Tilt: 19.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.78

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.33 AU - 2.11 AU

Year: 854 Days

Day: 38.6 Hours

Environment

Temp: -58 °C

Axial Tilt: 25.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.21

Radius: 1.08

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 2.98 AU - 4.02 AU

Year: 2480 Days

Day: 23.7 Hours

Environment

Temp: -131 °C

Axial Tilt: 8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.24

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 3 AU - 4 AU

Year: 2480 Days

Day: 13 Hours

Environment

Temp: -122 °C

Axial Tilt: 46.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 86,059,286 km

• M1: 65,075 km (0.119 R)

Asteroid Belt

Center: 5.81 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 8.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 158.5

Radius: 14.8

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 7.77 AU - 8.47 AU

Year: 8764 Days

Day: 5.5 Hours

Environment

Temp: -167 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 86,059,286 km

• M1: 184,005 km (0.097 R)
• M2: 740,659 km (0.072 R)
• M3: 1,311,973 km (0.072 R)
• M4: 1,821,055 km (0.05 R)
• M5: 2,387,133 km (0.087 R)
• M6: 3,509,566 km (0.106 R)
• M7: 4,909,503 km (0.071 R)
• M8: 5,680,979 km (0.082 R)
• M9: 6,844,551 km (0.051 R)
• M10: 7,774,302 km (0.069 R)
• M11: 9,803,896 km (0.094 R)
• M12: 12,213,469 km (0.115 R)
• M13: 12,934,082 km (0.099 R)
• M14: 14,995,242 km (0.102 R)
• M15: 16,275,201 km (0.075 R)
• M16: 19,436,354 km (0.112 R)
• M17: 22,272,580 km (0.111 R)
• M18: 22,770,890 km (0.108 R)
• M19: 23,642,298 km (0.111 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 945.1

Radius: 7.4

Gravity: 17.26 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 13.2 AU - 15.4 AU

Year: 20481 Days

Day: 20.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 86,059,286 km

• M1: 93,050 km (0.088 R)
• M2: 876,793 km (0.113 R)
• M3: 1,207,704 km (0.115 R)
• M4: 2,677,951 km (0.1 R)
• M5: 3,905,701 km (0.097 R)
• M6: 4,884,071 km (0.048 R)
• M7: 5,802,901 km (0.116 R)
• M8: 7,667,489 km (0.103 R)
• M9: 9,247,243 km (0.101 R)
• M10: 9,718,626 km (0.062 R)
• M11: 10,268,099 km (0.037 R)
• M12: 16,265,328 km (0.083 R)
• M13: 16,778,598 km (0.116 R)
• M14: 19,894,273 km (0.116 R)
• M15: 26,766,649 km (0.06 R)
• M16: 28,703,044 km (0.071 R)
• M17: 31,383,689 km (0.085 R)
• M18: 32,987,976 km (0.082 R)
• M19: 35,925,929 km (0.092 R)
• M20: 37,384,508 km (0.069 R)
• M21: 38,128,309 km (0.114 R)
• M22: 38,730,440 km (0.108 R)
• M23: 42,316,450 km (0.104 R)
• M24: 48,013,736 km (0.075 R)
• M25: 51,593,014 km (0.083 R)
• M26: 67,033,759 km (0.03 R)
• M27: 68,131,059 km (0.092 R)
• M28: 71,040,289 km (0.097 R)
• M29: 74,498,692 km (0.096 R)
• M30: 80,262,998 km (0.106 R)
• M31: 82,248,461 km (0.055 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 460 - 15,650 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit