🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.67

Radius: 1.23

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.84 AU - 0.88 AU

Year: 232 Days

Day: 27.3 Hours

Environment

Temp: 317 °C

Axial Tilt: 1.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.5 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.76

Radius: 1.25

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.22 AU - 1.78 AU

Year: 536 Days

Day: 35.5 Hours

Environment

Temp: 211 °C

Axial Tilt: 142.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 83,027,544 km

• M1: 115,938 km (0.117 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.12

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.62 AU - 1.78 AU

Year: 646 Days

Day: 43.1 Hours

Environment

Temp: 166 °C

Axial Tilt: 26.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 83,027,544 km

• M1: 50,265 km (0.075 R)
• M2: 144,960 km (0.118 R)

Asteroid Belt

Center: 1.99 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Terrestrial

Semi-Major Axis: 2.28 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.75

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.74 AU - 2.82 AU

Year: 1004 Days

Day: 43.9 Hours

Environment

Temp: 33 °C

Axial Tilt: 6.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 5.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.21

Radius: 1.37

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 4.51 AU - 6.35 AU

Year: 3688 Days

Day: 19.2 Hours

Environment

Temp: -90 °C

Axial Tilt: 33.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 9.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.45

Radius: 1.16

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 7.7 AU - 11.24 AU

Year: 8495 Days

Day: 46.2 Hours

Environment

Temp: -130 °C

Axial Tilt: 14 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 10.14 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 10.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 848.9

Radius: 12.8

Gravity: 5.18 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 8.27 AU - 13.35 AU

Year: 10360 Days

Day: 7.9 Hours

Environment

Temp: -147 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 83,027,544 km

• M1: 159,322 km (0.098 R)
• M2: 696,228 km (0.1 R)
• M3: 1,536,071 km (0.046 R)
• M4: 2,243,220 km (0.078 R)
• M5: 3,888,497 km (0.114 R)
• M6: 4,367,061 km (0.104 R)
• M7: 5,077,202 km (0.072 R)
• M8: 5,827,435 km (0.054 R)
• M9: 6,572,283 km (0.071 R)
• M10: 7,764,279 km (0.088 R)
• M11: 9,995,083 km (0.099 R)
• M12: 12,147,347 km (0.118 R)
• M13: 13,052,115 km (0.09 R)
• M14: 15,476,049 km (0.098 R)
• M15: 16,466,986 km (0.111 R)
• M16: 16,904,410 km (0.107 R)
• M17: 18,653,658 km (0.096 R)
• M18: 19,450,715 km (0.117 R)
• M19: 19,939,751 km (0.083 R)
• M20: 26,071,618 km (0.093 R)
• M21: 35,247,502 km (0.043 R)
• M22: 41,351,993 km (0.058 R)
• M23: 50,539,247 km (0.099 R)
• M24: 52,244,214 km (0.07 R)

Planet 8 - Gas Giant

Semi-Major Axis: 13.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 36.6

Radius: 8.7

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 13.18 AU - 13.24 AU

Year: 13996 Days

Day: 13.2 Hours

Environment

Temp: -159 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 83,027,544 km

• M1: 138,079 km (0.111 R)
• M2: 442,810 km (0.049 R)
• M3: 752,328 km (0.095 R)
• M4: 1,105,528 km (0.116 R)
• M5: 1,514,828 km (0.095 R)
• M6: 9,592,215 km (0.081 R)
• M7: 15,690,722 km (0.1 R)

Planet 9 - Ice Giant

Semi-Major Axis: 23.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 343

Radius: 5.5

Gravity: 11.34 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 19.92 AU - 26.14 AU

Year: 32217 Days

Day: 17.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 83,027,544 km

• M1: 71,358 km (0.084 R)
• M2: 246,537 km (0.039 R)
• M3: 512,971 km (0.1 R)
• M4: 2,070,883 km (0.098 R)
• M5: 2,286,005 km (0.103 R)
• M6: 2,588,043 km (0.102 R)
• M7: 2,995,847 km (0.116 R)
• M8: 3,655,873 km (0.116 R)
• M9: 3,906,748 km (0.04 R)
• M10: 5,912,407 km (0.074 R)
• M11: 6,127,230 km (0.104 R)
• M12: 6,756,737 km (0.113 R)
• M13: 7,627,995 km (0.114 R)
• M14: 8,355,789 km (0.104 R)
• M15: 8,571,958 km (0.106 R)
• M16: 11,137,861 km (0.12 R)
• M17: 12,700,859 km (0.08 R)
• M18: 13,131,551 km (0.104 R)
• M19: 20,419,511 km (0.099 R)
• M20: 40,198,743 km (0.058 R)
• M21: 41,438,311 km (0.075 R)
• M22: 42,543,540 km (0.067 R)
• M23: 47,503,308 km (0.095 R)
• M24: 66,582,123 km (0.093 R)

Kuiper Belt

Range: 37.7 - 59.7 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 465 - 19,196 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit