🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 66.7

Radius: 12.2

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.41 AU - 0.61 AU

Year: 251 Days

Day: 7.2 Hours

Environment

Temp: -139 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 78,267,046 km

• M1: 151,692 km (0.115 R)
• M2: 582,833 km (0.107 R)
• M3: 1,083,687 km (0.077 R)
• M4: 1,556,416 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 272.3

Radius: 15

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.7 AU - 1.14 AU

Year: 609 Days

Day: 7.1 Hours

Environment

Temp: -164 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 78,267,046 km

• M1: 186,549 km (0.071 R)
• M2: 699,520 km (0.085 R)
• M3: 1,274,275 km (0.1 R)
• M4: 2,128,927 km (0.107 R)
• M5: 3,156,216 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 497.4

Radius: 14.5

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.97 AU - 2.17 AU

Year: 2056 Days

Day: 14.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 78,267,046 km

• M1: 180,714 km (0.097 R)
• M2: 747,840 km (0.079 R)
• M3: 1,495,680 km (0.09 R)
• M4: 1,956,890 km (0.068 R)
• M5: 2,882,901 km (0.1 R)
• M6: 3,562,224 km (0.083 R)
• M7: 4,327,567 km (0.079 R)
• M8: 4,883,473 km (0.082 R)
• M9: 6,975,450 km (0.076 R)
• M10: 7,914,625 km (0.098 R)
• M11: 9,125,769 km (0.108 R)
• M12: 9,610,616 km (0.104 R)
• M13: 10,215,291 km (0.074 R)
• M14: 11,612,834 km (0.069 R)
• M15: 12,299,339 km (0.101 R)
• M16: 13,093,853 km (0.087 R)
• M17: 14,435,895 km (0.119 R)

Planet 4 - Ice Giant

Semi-Major Axis: 10.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 620.3

Radius: 7.4

Gravity: 11.33 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 9.65 AU - 10.41 AU

Year: 21926 Days

Day: 18.9 Hours

Environment

Temp: -240 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 78,267,046 km

• M1: 96,042 km (0.11 R)
• M2: 456,124 km (0.077 R)
• M3: 708,047 km (0.106 R)
• M4: 1,018,612 km (0.088 R)
• M5: 1,328,279 km (0.084 R)
• M6: 1,563,298 km (0.071 R)
• M7: 1,845,140 km (0.108 R)
• M8: 2,952,763 km (0.117 R)
• M9: 3,769,866 km (0.057 R)
• M10: 4,837,098 km (0.111 R)
• M11: 5,401,530 km (0.07 R)
• M12: 7,168,281 km (0.107 R)
• M13: 9,345,678 km (0.058 R)
• M14: 10,957,745 km (0.116 R)
• M15: 12,608,109 km (0.114 R)
• M16: 12,956,971 km (0.11 R)
• M17: 20,585,116 km (0.059 R)
• M18: 22,261,958 km (0.054 R)
• M19: 23,499,133 km (0.084 R)
• M20: 23,815,383 km (0.083 R)
• M21: 25,439,716 km (0.096 R)
• M22: 26,906,075 km (0.114 R)
• M23: 33,469,532 km (0.119 R)
• M24: 37,047,613 km (0.077 R)
• M25: 43,353,164 km (0.039 R)
• M26: 44,630,131 km (0.081 R)
• M27: 45,931,932 km (0.09 R)
• M28: 60,569,784 km (0.109 R)
• M29: 62,770,070 km (0.082 R)
• M30: 63,175,779 km (0.11 R)
• M31: 69,906,786 km (0.105 R)
• M32: 70,780,288 km (0.101 R)
• M33: 72,104,229 km (0.111 R)
• M34: 74,347,449 km (0.117 R)
• M35: 76,405,766 km (0.077 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: 302 - 15,470 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit