🌌 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: 683.8

Radius: 11.3

Gravity: 5.36 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.41 AU - 0.61 AU

Year: 251 Days

Day: 7.6 Hours

Environment

Temp: -143 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 83,924,299 km

• M1: 140,622 km (0.118 R)
• M2: 587,920 km (0.076 R)
• M3: 1,496,577 km (0.082 R)
• M4: 2,075,970 km (0.111 R)
• M5: 2,536,133 km (0.119 R)
• M6: 2,987,021 km (0.059 R)
• M7: 3,427,886 km (0.088 R)
• M8: 4,051,858 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 368.8

Radius: 10.5

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.8 AU - 1.3 AU

Year: 743 Days

Day: 12.5 Hours

Environment

Temp: -174 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 83,924,299 km

• M1: 130,599 km (0.055 R)
• M2: 472,879 km (0.119 R)
• M3: 873,352 km (0.11 R)
• M4: 1,388,867 km (0.067 R)
• M5: 2,056,223 km (0.087 R)
• M6: 2,580,563 km (0.107 R)
• M7: 3,338,127 km (0.096 R)
• M8: 4,051,410 km (0.083 R)
• M9: 4,444,702 km (0.054 R)
• M10: 4,783,990 km (0.089 R)
• M11: 5,816,515 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 143.7

Radius: 10.9

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 3.35 AU - 4.17 AU

Year: 5033 Days

Day: 11 Hours

Environment

Temp: -210 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 83,924,299 km

• M1: 141,220 km (0.101 R)
• M2: 710,739 km (0.118 R)
• M3: 1,722,171 km (0.103 R)
• M4: 2,920,450 km (0.119 R)
• M5: 3,482,638 km (0.052 R)
• M6: 4,336,244 km (0.103 R)
• M7: 6,618,060 km (0.101 R)
• M8: 7,265,819 km (0.09 R)
• M9: 9,888,569 km (0.099 R)
• M10: 10,622,496 km (0.109 R)
• M11: 13,129,756 km (0.051 R)
• M12: 17,966,255 km (0.106 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 412.5

Radius: 6.4

Gravity: 10.07 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 6.7 AU - 6.88 AU

Year: 12213 Days

Day: 24.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 83,924,299 km

• M1: 111,002 km (0.095 R)
• M2: 557,850 km (0.05 R)
• M3: 1,415,495 km (0.113 R)
• M4: 1,769,144 km (0.118 R)
• M5: 2,162,587 km (0.112 R)
• M6: 3,500,141 km (0.104 R)
• M7: 7,228,868 km (0.115 R)
• M8: 8,230,875 km (0.094 R)
• M9: 14,404,929 km (0.118 R)
• M10: 14,854,021 km (0.118 R)
• M11: 15,712,414 km (0.08 R)
• M12: 19,556,630 km (0.094 R)
• M13: 24,253,405 km (0.083 R)
• M14: 27,248,504 km (0.11 R)
• M15: 27,541,417 km (0.102 R)
• M16: 30,481,314 km (0.094 R)
• M17: 31,114,712 km (0.102 R)
• M18: 34,985,257 km (0.091 R)
• M19: 37,938,469 km (0.081 R)
• M20: 40,291,045 km (0.102 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 32.9

Radius: 4.3

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 5.95 AU - 8.57 AU

Year: 13503 Days

Day: 22.4 Hours

Environment

Temp: -240 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 83,924,299 km

• M1: 54,304 km (0.119 R)
• M2: 199,115 km (0.082 R)
• M3: 550,221 km (0.061 R)
• M4: 1,137,692 km (0.061 R)
• M5: 1,443,171 km (0.101 R)
• M6: 1,765,255 km (0.052 R)
• M7: 2,343,301 km (0.116 R)
• M8: 2,820,518 km (0.108 R)
• M9: 3,985,437 km (0.102 R)
• M10: 4,325,922 km (0.084 R)
• M11: 5,187,456 km (0.103 R)
• M12: 5,489,793 km (0.096 R)
• M13: 5,697,884 km (0.068 R)
• M14: 9,521,605 km (0.098 R)
• M15: 10,442,231 km (0.072 R)
• M16: 10,964,926 km (0.09 R)
• M17: 11,975,459 km (0.061 R)
• M18: 16,640,370 km (0.088 R)
• M19: 19,073,729 km (0.086 R)
• M20: 20,220,695 km (0.105 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 722.9

Radius: 7.8

Gravity: 11.88 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 8.12 AU - 12.32 AU

Year: 22552 Days

Day: 16.5 Hours

Environment

Temp: -245 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 83,924,299 km

• M1: 96,939 km (0.094 R)
• M2: 427,700 km (0.12 R)
• M3: 747,690 km (0.078 R)
• M4: 1,184,965 km (0.115 R)
• M5: 1,487,003 km (0.071 R)
• M6: 3,220,393 km (0.084 R)
• M7: 4,343,125 km (0.043 R)
• M8: 5,031,425 km (0.111 R)
• M9: 6,088,484 km (0.044 R)
• M10: 7,286,613 km (0.1 R)
• M11: 7,941,253 km (0.079 R)
• M12: 9,542,549 km (0.116 R)
• M13: 10,701,633 km (0.078 R)
• M14: 11,815,988 km (0.072 R)
• M15: 16,879,427 km (0.085 R)
• M16: 20,075,436 km (0.094 R)
• M17: 23,978,594 km (0.114 R)
• M18: 27,396,307 km (0.094 R)
• M19: 28,726,681 km (0.097 R)
• M20: 29,470,332 km (0.105 R)
• M21: 32,976,008 km (0.068 R)
• M22: 35,887,781 km (0.115 R)
• M23: 48,375,763 km (0.08 R)
• M24: 51,759,367 km (0.04 R)
• M25: 53,602,114 km (0.113 R)
• M26: 62,437,514 km (0.101 R)
• M27: 65,159,746 km (0.078 R)
• M28: 73,799,472 km (0.218 R)
• M29: 77,315,920 km (0.074 R)
• M30: 78,032,493 km (0.067 R)
• M31: 78,994,557 km (0.085 R)
• M32: 83,172,078 km (0.197 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: 304 - 18,496 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit