🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.63

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.57 AU - 0.57 AU

Year: 282 Days

Day: 45.5 Hours

Environment

Temp: -115 °C

Axial Tilt: 15.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 22,306,655 km

• M1: 54,454 km (0.042 R)
• M2: 78,688 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 954.3

Radius: 9.2

Gravity: 11.27 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.75 AU - 1.17 AU

Year: 617 Days

Day: 11.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 22,306,655 km

• M1: 114,442 km (0.075 R)
• M2: 416,181 km (0.098 R)
• M3: 821,592 km (0.092 R)
• M4: 1,260,362 km (0.105 R)
• M5: 1,739,823 km (0.098 R)
• M6: 2,528,204 km (0.062 R)
• M7: 3,256,446 km (0.093 R)
• M8: 3,952,376 km (0.091 R)
• M9: 4,447,694 km (0.115 R)
• M10: 4,760,952 km (0.088 R)
• M11: 5,124,475 km (0.078 R)
• M12: 5,926,918 km (0.084 R)
• M13: 7,094,529 km (0.074 R)
• M14: 7,639,365 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 400.7

Radius: 8.3

Gravity: 5.82 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 2.26 AU - 2.58 AU

Year: 2470 Days

Day: 14.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 22,306,655 km

• M1: 103,223 km (0.11 R)
• M2: 656,435 km (0.089 R)
• M3: 983,905 km (0.083 R)
• M4: 1,289,683 km (0.076 R)
• M5: 1,579,903 km (0.086 R)
• M6: 2,146,281 km (0.111 R)
• M7: 2,530,747 km (0.118 R)
• M8: 2,960,841 km (0.082 R)
• M9: 3,273,949 km (0.104 R)
• M10: 3,948,935 km (0.076 R)
• M11: 4,651,297 km (0.085 R)
• M12: 4,967,397 km (0.104 R)
• M13: 7,400,307 km (0.088 R)
• M14: 8,069,459 km (0.045 R)
• M15: 8,403,511 km (0.074 R)
• M16: 9,164,366 km (0.108 R)
• M17: 9,764,552 km (0.097 R)
• M18: 10,179,088 km (0.03 R)
• M19: 10,677,398 km (0.101 R)
• M20: 11,006,364 km (0.089 R)
• M21: 11,955,563 km (0.054 R)
• M22: 13,123,772 km (0.064 R)
• M23: 13,416,835 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559.9

Radius: 14.5

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 2.96 AU - 3.16 AU

Year: 3511 Days

Day: 13.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 22,306,655 km

• M1: 180,265 km (0.082 R)
• M2: 865,274 km (0.065 R)
• M3: 2,143,289 km (0.045 R)
• M4: 3,983,343 km (0.115 R)
• M5: 5,739,322 km (0.088 R)
• M6: 12,026,472 km (0.098 R)
• M7: 12,514,460 km (0.104 R)
• M8: 13,768,689 km (0.057 R)
• M9: 15,156,209 km (0.082 R)
• M10: 16,203,095 km (0.085 R)
• M11: 18,912,312 km (0.092 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 428 - 14,445 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit