🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.14

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.57 AU - 0.61 AU

Year: 297 Days

Day: 13.5 Hours

Environment

Temp: -134 °C

Axial Tilt: 24.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 596.8

Radius: 13.3

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.75 AU - 1.07 AU

Year: 569 Days

Day: 5.1 Hours

Environment

Temp: -144 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 33,976,652 km

• M1: 166,652 km (0.103 R)
• M2: 759,808 km (0.049 R)
• M3: 1,351,467 km (0.047 R)
• M4: 1,989,352 km (0.108 R)
• M5: 2,432,910 km (0.086 R)
• M6: 2,887,987 km (0.063 R)
• M7: 4,041,835 km (0.085 R)
• M8: 4,670,595 km (0.101 R)
• M9: 5,762,211 km (0.095 R)
• M10: 6,180,337 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940.5

Radius: 8

Gravity: 14.7 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 3.58 AU - 5.68 AU

Year: 6536 Days

Day: 10.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 33,976,652 km

• M1: 100,679 km (0.106 R)
• M2: 702,661 km (0.033 R)
• M3: 1,190,949 km (0.062 R)
• M4: 1,951,205 km (0.055 R)
• M5: 2,330,436 km (0.101 R)
• M6: 3,128,690 km (0.085 R)
• M7: 3,650,038 km (0.089 R)
• M8: 4,609,110 km (0.089 R)
• M9: 8,529,921 km (0.05 R)
• M10: 9,823,643 km (0.103 R)
• M11: 12,408,096 km (0.061 R)
• M12: 17,255,366 km (0.052 R)
• M13: 17,668,107 km (0.087 R)
• M14: 19,607,943 km (0.102 R)
• M15: 22,005,248 km (0.117 R)
• M16: 23,399,650 km (0.096 R)
• M17: 24,246,823 km (0.038 R)
• M18: 25,290,268 km (0.115 R)
• M19: 27,373,418 km (0.049 R)
• M20: 28,984,737 km (0.092 R)
• M21: 35,287,595 km (0.096 R)
• M22: 36,852,837 km (0.099 R)
• M23: 37,308,512 km (0.109 R)
• M24: 38,230,933 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 435

Radius: 9.6

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 4.17 AU - 5.97 AU

Year: 7489 Days

Day: 8.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 33,976,652 km

• M1: 121,922 km (0.055 R)
• M2: 558,748 km (0.078 R)
• M3: 1,108,670 km (0.058 R)
• M4: 1,415,196 km (0.109 R)
• M5: 1,890,618 km (0.107 R)
• M6: 2,470,010 km (0.116 R)
• M7: 2,811,243 km (0.056 R)
• M8: 3,184,041 km (0.113 R)
• M9: 3,981,996 km (0.116 R)
• M10: 5,569,978 km (0.117 R)
• M11: 8,033,406 km (0.038 R)
• M12: 8,625,664 km (0.073 R)
• M13: 9,677,337 km (0.114 R)
• M14: 10,954,154 km (0.102 R)
• M15: 12,186,093 km (0.077 R)
• M16: 12,651,492 km (0.096 R)
• M17: 13,182,415 km (0.05 R)
• M18: 14,175,595 km (0.102 R)
• M19: 14,806,599 km (0.059 R)
• M20: 15,940,551 km (0.118 R)
• M21: 16,622,867 km (0.092 R)
• M22: 16,939,416 km (0.062 R)
• M23: 19,130,725 km (0.03 R)
• M24: 19,618,863 km (0.082 R)
• M25: 21,880,633 km (0.056 R)
• M26: 26,226,601 km (0.112 R)
• M27: 27,264,960 km (0.102 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 316 - 12,778 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit