🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.6

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.45 AU - 0.63 AU

Year: 260 Days

Day: 37.4 Hours

Environment

Temp: -118 °C

Axial Tilt: 7.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 783.2

Radius: 11.3

Gravity: 6.13 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.66 AU - 0.74 AU

Year: 384 Days

Day: 9.7 Hours

Environment

Temp: -138 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 23,523,240 km

• M1: 140,472 km (0.092 R)
• M2: 515,813 km (0.06 R)
• M3: 955,182 km (0.08 R)
• M4: 1,416,393 km (0.106 R)
• M5: 1,860,100 km (0.098 R)
• M6: 2,681,691 km (0.067 R)
• M7: 3,427,886 km (0.113 R)
• M8: 3,882,364 km (0.058 R)
• M9: 4,517,556 km (0.112 R)
• M10: 4,988,790 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 549

Radius: 8.1

Gravity: 8.37 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.55 AU - 1.69 AU

Year: 1353 Days

Day: 9.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 23,523,240 km

• M1: 100,829 km (0.072 R)
• M2: 518,805 km (0.092 R)
• M3: 890,706 km (0.086 R)
• M4: 1,196,334 km (0.041 R)
• M5: 1,485,956 km (0.119 R)
• M6: 1,745,658 km (0.092 R)
• M7: 2,121,597 km (0.082 R)
• M8: 2,477,490 km (0.107 R)
• M9: 2,819,471 km (0.108 R)
• M10: 3,221,889 km (0.045 R)
• M11: 4,228,683 km (0.068 R)
• M12: 4,757,063 km (0.063 R)
• M13: 5,106,523 km (0.056 R)
• M14: 5,813,822 km (0.102 R)
• M15: 6,145,929 km (0.108 R)
• M16: 6,420,591 km (0.091 R)
• M17: 7,019,431 km (0.106 R)
• M18: 7,421,850 km (0.074 R)
• M19: 8,837,045 km (0.093 R)
• M20: 9,854,461 km (0.057 R)
• M21: 10,391,517 km (0.065 R)
• M22: 10,650,920 km (0.108 R)

Asteroid Belt

Center: 2.31 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 703.8

Radius: 8.7

Gravity: 9.3 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 2.64 AU - 3.34 AU

Year: 3392 Days

Day: 14.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 23,523,240 km

• M1: 122,521 km (0.114 R)
• M2: 404,363 km (0.119 R)
• M3: 746,793 km (0.099 R)
• M4: 1,095,056 km (0.085 R)
• M5: 1,855,462 km (0.087 R)
• M6: 2,665,535 km (0.095 R)
• M7: 3,269,312 km (0.089 R)
• M8: 3,898,521 km (0.058 R)
• M9: 4,724,151 km (0.105 R)
• M10: 6,160,440 km (0.069 R)
• M11: 6,568,244 km (0.086 R)
• M12: 7,150,629 km (0.112 R)
• M13: 7,470,618 km (0.113 R)
• M14: 7,833,692 km (0.066 R)
• M15: 8,105,213 km (0.045 R)
• M16: 9,217,024 km (0.119 R)
• M17: 10,265,555 km (0.117 R)
• M18: 13,986,354 km (0.074 R)
• M19: 14,538,819 km (0.086 R)
• M20: 17,177,725 km (0.099 R)
• M21: 19,125,041 km (0.088 R)
• M22: 21,877,492 km (0.069 R)
• M23: 22,827,737 km (0.116 R)
• M24: 23,104,344 km (0.069 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: 454 - 16,527 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit