🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 355.1

Radius: 13.9

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.66 AU - 0.7 AU

Year: 368 Days

Day: 14.6 Hours

Environment

Temp: -144 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 60,664,493 km

• M1: 172,935 km (0.11 R)
• M2: 845,228 km (0.113 R)
• M3: 1,284,747 km (0.115 R)
• M4: 1,896,751 km (0.095 R)
• M5: 2,352,427 km (0.061 R)
• M6: 3,063,166 km (0.064 R)
• M7: 3,534,250 km (0.117 R)
• M8: 3,983,492 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 705.1

Radius: 14.4

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.62 AU - 0.74 AU

Year: 368 Days

Day: 14.9 Hours

Environment

Temp: -130 °C

Axial Tilt: 78.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 60,664,493 km

• M1: 179,517 km (0.08 R)
• M2: 682,765 km (0.067 R)
• M3: 1,252,583 km (0.113 R)
• M4: 2,596,869 km (0.092 R)
• M5: 3,137,516 km (0.068 R)
• M6: 3,633,433 km (0.111 R)
• M7: 4,155,679 km (0.114 R)
• M8: 4,843,081 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 276

Radius: 10.2

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.77 AU - 0.91 AU

Year: 505 Days

Day: 8 Hours

Environment

Temp: -149 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 60,664,493 km

• M1: 129,103 km (0.05 R)
• M2: 478,264 km (0.114 R)
• M3: 808,427 km (0.088 R)
• M4: 1,265,897 km (0.113 R)
• M5: 1,588,430 km (0.109 R)
• M6: 1,921,884 km (0.112 R)
• M7: 2,676,755 km (0.087 R)
• M8: 3,091,590 km (0.094 R)
• M9: 3,699,855 km (0.098 R)
• M10: 4,492,723 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 622.6

Radius: 11.5

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.94 AU - 1.34 AU

Year: 798 Days

Day: 6.2 Hours

Environment

Temp: -160 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 60,664,493 km

• M1: 143,165 km (0.057 R)
• M2: 518,656 km (0.035 R)
• M3: 967,150 km (0.112 R)
• M4: 1,361,191 km (0.076 R)
• M5: 1,752,539 km (0.041 R)
• M6: 2,489,757 km (0.088 R)
• M7: 3,263,777 km (0.102 R)
• M8: 3,933,526 km (0.051 R)
• M9: 4,333,252 km (0.113 R)
• M10: 5,125,522 km (0.11 R)
• M11: 6,909,327 km (0.116 R)
• M12: 7,918,215 km (0.086 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 295.3

Radius: 6.8

Gravity: 6.39 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 8.04 AU - 12.56 AU

Year: 21685 Days

Day: 16.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 60,664,493 km

• M1: 84,523 km (0.084 R)
• M2: 361,728 km (0.074 R)
• M3: 653,593 km (0.091 R)
• M4: 1,174,044 km (0.082 R)
• M5: 2,051,136 km (0.055 R)
• M6: 2,772,049 km (0.098 R)
• M7: 3,488,024 km (0.102 R)
• M8: 3,990,822 km (0.049 R)
• M9: 5,753,385 km (0.032 R)
• M10: 6,618,060 km (0.09 R)
• M11: 7,124,748 km (0.111 R)
• M12: 8,311,059 km (0.099 R)
• M13: 9,001,753 km (0.061 R)
• M14: 13,499,712 km (0.051 R)
• M15: 13,902,729 km (0.112 R)
• M16: 14,592,375 km (0.094 R)
• M17: 14,945,725 km (0.058 R)
• M18: 16,264,879 km (0.091 R)
• M19: 18,881,794 km (0.114 R)
• M20: 23,265,910 km (0.046 R)
• M21: 24,335,684 km (0.101 R)
• M22: 25,744,148 km (0.115 R)
• M23: 28,502,434 km (0.031 R)
• M24: 36,505,920 km (0.062 R)
• M25: 38,081,634 km (0.11 R)
• M26: 38,751,384 km (0.058 R)
• M27: 39,156,943 km (0.12 R)
• M28: 39,702,078 km (0.076 R)
• M29: 43,953,500 km (0.106 R)
• M30: 44,838,820 km (0.109 R)
• M31: 47,875,358 km (0.068 R)
• M32: 51,860,495 km (0.055 R)
• M33: 53,514,450 km (0.05 R)
• M34: 55,032,868 km (0.119 R)
• M35: 56,061,054 km (0.073 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 231 - 10,370 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit