🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 495.2

Radius: 13.3

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.84 AU - 0.96 AU

Year: 579 Days

Day: 10.5 Hours

Environment

Temp: -170 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 32,307,573 km

• M1: 165,455 km (0.099 R)
• M2: 585,227 km (0.102 R)
• M3: 1,017,415 km (0.101 R)
• M4: 1,493,585 km (0.103 R)
• M5: 2,112,172 km (0.075 R)
• M6: 3,040,726 km (0.111 R)
• M7: 3,726,782 km (0.101 R)
• M8: 4,603,126 km (0.093 R)
• M9: 5,578,505 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 781.2

Radius: 13.3

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.84 AU - 1.36 AU

Year: 782 Days

Day: 11.9 Hours

Environment

Temp: -171 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 32,307,573 km

• M1: 168,298 km (0.117 R)
• M2: 643,570 km (0.09 R)
• M3: 1,728,454 km (0.11 R)
• M4: 2,994,201 km (0.076 R)
• M5: 3,467,679 km (0.08 R)
• M6: 4,083,423 km (0.025 R)
• M7: 5,053,416 km (0.111 R)
• M8: 7,378,317 km (0.09 R)
• M9: 8,099,977 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 864.1

Radius: 12.3

Gravity: 5.71 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.25 AU - 1.57 AU

Year: 1136 Days

Day: 11.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 32,307,573 km

• M1: 153,039 km (0.098 R)
• M2: 545,883 km (0.114 R)
• M3: 1,126,472 km (0.07 R)
• M4: 1,546,692 km (0.103 R)
• M5: 2,126,534 km (0.092 R)
• M6: 2,578,469 km (0.085 R)
• M7: 2,969,817 km (0.114 R)
• M8: 3,370,889 km (0.047 R)
• M9: 3,957,013 km (0.092 R)
• M10: 4,427,050 km (0.117 R)
• M11: 4,934,187 km (0.077 R)
• M12: 5,479,920 km (0.096 R)
• M13: 5,953,995 km (0.072 R)
• M14: 7,034,840 km (0.101 R)
• M15: 7,439,951 km (0.102 R)
• M16: 8,721,556 km (0.098 R)
• M17: 9,552,273 km (0.114 R)
• M18: 10,241,171 km (0.108 R)
• M19: 10,630,873 km (0.03 R)
• M20: 12,037,542 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 997.5

Radius: 9.2

Gravity: 11.79 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.76 AU - 1.82 AU

Year: 1624 Days

Day: 5.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 32,307,573 km

• M1: 114,592 km (0.111 R)
• M2: 490,083 km (0.07 R)
• M3: 820,844 km (0.102 R)
• M4: 1,213,239 km (0.068 R)
• M5: 1,868,328 km (0.103 R)
• M6: 2,282,564 km (0.085 R)
• M7: 3,396,021 km (0.074 R)
• M8: 4,265,484 km (0.089 R)
• M9: 4,880,032 km (0.093 R)
• M10: 5,321,645 km (0.105 R)
• M11: 6,183,927 km (0.072 R)
• M12: 8,092,796 km (0.111 R)
• M13: 8,840,337 km (0.09 R)
• M14: 10,873,222 km (0.083 R)
• M15: 11,744,031 km (0.104 R)
• M16: 12,296,496 km (0.117 R)
• M17: 13,667,411 km (0.055 R)
• M18: 14,501,419 km (0.092 R)
• M19: 15,045,357 km (0.057 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419.4

Radius: 12.5

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 2.8 AU - 3.02 AU

Year: 3367 Days

Day: 5.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 32,307,573 km

• M1: 157,078 km (0.101 R)
• M2: 667,506 km (0.086 R)
• M3: 2,057,719 km (0.032 R)
• M4: 3,736,656 km (0.094 R)
• M5: 4,376,785 km (0.102 R)
• M6: 6,086,090 km (0.057 R)
• M7: 8,768,230 km (0.104 R)
• M8: 12,284,828 km (0.1 R)
• M9: 13,564,488 km (0.099 R)
• M10: 14,979,833 km (0.059 R)
• M11: 15,824,463 km (0.044 R)
• M12: 17,445,954 km (0.042 R)
• M13: 19,233,200 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628.8

Radius: 10

Gravity: 6.29 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 3.51 AU - 4.83 AU

Year: 5776 Days

Day: 9.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 32,307,573 km

• M1: 124,465 km (0.116 R)
• M2: 846,126 km (0.06 R)
• M3: 1,423,125 km (0.039 R)
• M4: 1,946,717 km (0.082 R)
• M5: 2,375,016 km (0.063 R)
• M6: 2,903,395 km (0.113 R)
• M7: 3,360,267 km (0.106 R)
• M8: 4,545,980 km (0.091 R)
• M9: 5,248,641 km (0.058 R)
• M10: 5,990,796 km (0.099 R)
• M11: 7,180,698 km (0.081 R)
• M12: 8,800,544 km (0.107 R)
• M13: 9,334,907 km (0.088 R)
• M14: 9,717,429 km (0.119 R)
• M15: 11,116,019 km (0.115 R)
• M16: 11,449,473 km (0.11 R)
• M17: 12,036,794 km (0.082 R)
• M18: 12,592,850 km (0.113 R)
• M19: 13,865,179 km (0.072 R)
• M20: 15,692,517 km (0.058 R)
• M21: 18,327,534 km (0.094 R)
• M22: 19,749,761 km (0.111 R)
• M23: 20,169,234 km (0.109 R)
• M24: 20,809,662 km (0.105 R)
• M25: 22,583,893 km (0.106 R)
• M26: 23,274,437 km (0.082 R)
• M27: 23,821,367 km (0.096 R)
• M28: 24,940,658 km (0.091 R)
• M29: 25,513,318 km (0.109 R)
• M30: 27,284,108 km (0.076 R)
• M31: 27,979,739 km (0.077 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 249 - 17,711 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit