🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 400.4

Radius: 12.7

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.58 AU - 0.82 AU

Year: 378 Days

Day: 12.7 Hours

Environment

Temp: -139 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 77,388,001 km

• M1: 158,275 km (0.051 R)
• M2: 587,620 km (0.098 R)
• M3: 1,221,766 km (0.072 R)
• M4: 1,639,742 km (0.108 R)
• M5: 2,257,731 km (0.118 R)
• M6: 2,824,408 km (0.105 R)
• M7: 3,239,991 km (0.107 R)
• M8: 3,685,344 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 103.6

Radius: 11.8

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.21 AU - 1.23 AU

Year: 870 Days

Day: 6.2 Hours

Environment

Temp: -174 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 77,388,001 km

• M1: 146,756 km (0.104 R)
• M2: 547,379 km (0.119 R)
• M3: 969,993 km (0.088 R)
• M4: 1,711,400 km (0.08 R)
• M5: 2,200,285 km (0.04 R)
• M6: 2,890,081 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 529

Radius: 11.8

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.42 AU - 1.8 AU

Year: 1319 Days

Day: 14.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 77,388,001 km

• M1: 147,204 km (0.058 R)
• M2: 573,409 km (0.098 R)
• M3: 1,586,785 km (0.108 R)
• M4: 2,197,144 km (0.107 R)
• M5: 2,725,075 km (0.039 R)
• M6: 3,095,479 km (0.094 R)
• M7: 5,322,243 km (0.098 R)
• M8: 7,202,090 km (0.081 R)
• M9: 7,630,838 km (0.115 R)
• M10: 8,319,586 km (0.092 R)
• M11: 9,223,756 km (0.106 R)
• M12: 10,036,671 km (0.089 R)
• M13: 10,669,021 km (0.082 R)

Planet 4 - Ice Giant

Semi-Major Axis: 10.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 665.2

Radius: 7.6

Gravity: 11.52 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 8.47 AU - 11.79 AU

Year: 20818 Days

Day: 16.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 77,388,001 km

• M1: 95,144 km (0.092 R)
• M2: 350,209 km (0.074 R)
• M3: 731,534 km (0.069 R)
• M4: 1,217,278 km (0.072 R)
• M5: 2,442,036 km (0.086 R)
• M6: 2,974,454 km (0.078 R)
• M7: 3,408,438 km (0.08 R)
• M8: 4,170,489 km (0.115 R)
• M9: 4,750,331 km (0.099 R)
• M10: 5,460,771 km (0.113 R)
• M11: 9,188,002 km (0.086 R)
• M12: 10,468,709 km (0.05 R)
• M13: 12,333,148 km (0.063 R)
• M14: 13,379,734 km (0.109 R)
• M15: 13,887,769 km (0.107 R)
• M16: 14,788,797 km (0.093 R)
• M17: 17,552,468 km (0.104 R)
• M18: 21,419,423 km (0.03 R)
• M19: 23,030,592 km (0.077 R)
• M20: 24,505,478 km (0.106 R)
• M21: 24,938,115 km (0.052 R)
• M22: 27,641,947 km (0.114 R)
• M23: 28,110,786 km (0.103 R)
• M24: 29,916,582 km (0.038 R)
• M25: 33,890,799 km (0.069 R)
• M26: 35,657,251 km (0.11 R)
• M27: 37,627,305 km (0.072 R)
• M28: 38,785,043 km (0.111 R)
• M29: 39,225,310 km (0.112 R)
• M30: 41,629,497 km (0.072 R)
• M31: 44,130,325 km (0.083 R)
• M32: 45,255,301 km (0.101 R)
• M33: 46,399,276 km (0.093 R)
• M34: 51,697,733 km (0.072 R)
• M35: 56,066,589 km (0.05 R)
• M36: 56,441,481 km (0.08 R)
• M37: 57,006,812 km (0.111 R)
• M38: 60,281,958 km (0.047 R)
• M39: 60,872,720 km (0.093 R)
• M40: 61,865,900 km (0.108 R)
• M41: 74,186,930 km (0.066 R)
• M42: 77,388,026 km (0.119 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 313 - 19,160 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit