🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 219.7

Radius: 14.1

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.95 AU - 1.35 AU

Year: 836 Days

Day: 7.4 Hours

Environment

Temp: -172 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 71,554,231 km

• M1: 175,777 km (0.089 R)
• M2: 657,034 km (0.085 R)
• M3: 1,240,914 km (0.073 R)
• M4: 1,850,526 km (0.106 R)
• M5: 2,423,785 km (0.105 R)
• M6: 3,014,846 km (0.054 R)
• M7: 4,389,351 km (0.109 R)
• M8: 4,894,394 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 5.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 278.8

Radius: 15

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 4.1 AU - 6.1 AU

Year: 7812 Days

Day: 9.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 71,554,231 km

• M1: 186,698 km (0.119 R)
• M2: 1,205,011 km (0.093 R)
• M3: 5,114,302 km (0.108 R)
• M4: 10,065,992 km (0.113 R)
• M5: 12,075,989 km (0.047 R)
• M6: 15,982,139 km (0.084 R)
• M7: 18,252,885 km (0.085 R)
• M8: 22,234,283 km (0.091 R)
• M9: 23,655,463 km (0.106 R)
• M10: 27,515,088 km (0.111 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 766.9

Radius: 3.6

Gravity: 59.17 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 6.67 AU - 6.91 AU

Year: 12000 Days

Day: 20 Hours

Environment

Temp: -220 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 71,554,231 km

• M1: 44,879 km (0.035 R)
• M2: 219,610 km (0.119 R)
• M3: 340,634 km (0.038 R)
• M4: 737,069 km (0.096 R)
• M5: 1,264,401 km (0.105 R)
• M6: 1,783,506 km (0.101 R)
• M7: 2,311,138 km (0.088 R)
• M8: 3,532,305 km (0.094 R)
• M9: 5,440,276 km (0.091 R)
• M10: 5,875,606 km (0.083 R)
• M11: 6,216,988 km (0.044 R)
• M12: 11,637,817 km (0.037 R)
• M13: 16,560,484 km (0.115 R)
• M14: 17,859,891 km (0.073 R)
• M15: 20,572,998 km (0.094 R)
• M16: 28,157,012 km (0.11 R)
• M17: 28,907,096 km (0.088 R)
• M18: 31,010,143 km (0.084 R)
• M19: 31,925,233 km (0.052 R)
• M20: 36,645,644 km (0.072 R)
• M21: 39,370,120 km (0.098 R)
• M22: 46,245,938 km (0.055 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 532.8

Radius: 4.5

Gravity: 26.31 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 7.67 AU - 11.85 AU

Year: 20681 Days

Day: 24.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 71,554,231 km

• M1: 55,950 km (0.053 R)
• M2: 248,033 km (0.036 R)
• M3: 594,352 km (0.119 R)
• M4: 960,418 km (0.117 R)
• M5: 1,929,065 km (0.089 R)
• M6: 2,487,813 km (0.118 R)
• M7: 2,966,526 km (0.1 R)
• M8: 3,254,651 km (0.096 R)
• M9: 4,167,946 km (0.072 R)
• M10: 4,770,526 km (0.101 R)
• M11: 5,056,109 km (0.116 R)
• M12: 8,623,120 km (0.103 R)
• M13: 10,882,198 km (0.112 R)
• M14: 11,630,038 km (0.095 R)
• M15: 11,886,748 km (0.08 R)
• M16: 12,212,871 km (0.073 R)
• M17: 12,612,148 km (0.101 R)
• M18: 15,654,520 km (0.098 R)
• M19: 30,704,514 km (0.106 R)
• M20: 35,307,341 km (0.105 R)
• M21: 60,394,007 km (0.03 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 175 - 18,319 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit