🌌 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: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 112.8

Radius: 8.9

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.64 AU - 0.74 AU

Year: 382 Days

Day: 13.4 Hours

Environment

Temp: -150 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 32,916,302 km

• M1: 110,852 km (0.108 R)
• M2: 438,172 km (0.088 R)
• M3: 910,004 km (0.116 R)
• M4: 1,341,145 km (0.109 R)
• M5: 2,093,622 km (0.103 R)
• M6: 2,722,382 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 542.5

Radius: 12.9

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.85 AU - 1.23 AU

Year: 707 Days

Day: 11.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 32,916,302 km

• M1: 160,369 km (0.032 R)
• M2: 653,593 km (0.101 R)
• M3: 1,168,509 km (0.104 R)
• M4: 1,639,144 km (0.066 R)
• M5: 2,143,289 km (0.084 R)
• M6: 2,641,898 km (0.072 R)
• M7: 3,181,049 km (0.073 R)
• M8: 3,669,935 km (0.091 R)
• M9: 4,120,524 km (0.095 R)
• M10: 4,768,133 km (0.028 R)
• M11: 5,271,530 km (0.066 R)
• M12: 5,922,580 km (0.108 R)
• M13: 6,505,563 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 272.9

Radius: 13.7

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.92 AU - 1.36 AU

Year: 812 Days

Day: 8.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 32,916,302 km

• M1: 170,542 km (0.045 R)
• M2: 1,060,499 km (0.103 R)
• M3: 1,668,764 km (0.116 R)
• M4: 2,305,004 km (0.103 R)
• M5: 2,833,982 km (0.116 R)
• M6: 4,084,620 km (0.074 R)
• M7: 4,757,511 km (0.087 R)
• M8: 5,186,409 km (0.105 R)
• M9: 5,958,932 km (0.113 R)
• M10: 6,420,591 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 385.5

Radius: 8.8

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 2.13 AU - 2.51 AU

Year: 2356 Days

Day: 14.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 32,916,302 km

• M1: 109,655 km (0.028 R)
• M2: 394,789 km (0.062 R)
• M3: 797,207 km (0.071 R)
• M4: 1,235,828 km (0.092 R)
• M5: 2,074,324 km (0.046 R)
• M6: 2,644,142 km (0.105 R)
• M7: 3,733,664 km (0.061 R)
• M8: 4,321,434 km (0.084 R)
• M9: 4,905,913 km (0.087 R)
• M10: 5,519,413 km (0.086 R)
• M11: 6,952,262 km (0.118 R)
• M12: 7,697,558 km (0.075 R)
• M13: 9,314,263 km (0.114 R)
• M14: 10,358,605 km (0.065 R)
• M15: 11,292,994 km (0.089 R)
• M16: 12,087,957 km (0.104 R)
• M17: 13,789,034 km (0.081 R)
• M18: 14,521,017 km (0.115 R)
• M19: 14,874,217 km (0.051 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 35.1

Radius: 8.6

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 2.08 AU - 2.72 AU

Year: 2479 Days

Day: 9.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 155.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 32,916,302 km

• M1: 108,608 km (0.042 R)
• M2: 501,751 km (0.086 R)
• M3: 1,335,161 km (0.073 R)
• M4: 1,716,486 km (0.113 R)
• M5: 2,197,443 km (0.115 R)
• M6: 2,531,495 km (0.049 R)
• M7: 3,623,260 km (0.098 R)
• M8: 5,425,167 km (0.033 R)
• M9: 6,599,660 km (0.07 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 208.3

Radius: 5.8

Gravity: 6.19 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 5.2 AU - 7.22 AU

Year: 10320 Days

Day: 20.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 32,916,302 km

• M1: 81,980 km (0.115 R)
• M2: 304,581 km (0.063 R)
• M3: 725,849 km (0.118 R)
• M4: 932,593 km (0.096 R)
• M5: 1,138,290 km (0.12 R)
• M6: 1,444,367 km (0.077 R)
• M7: 1,818,063 km (0.104 R)
• M8: 2,096,315 km (0.11 R)
• M9: 2,665,236 km (0.118 R)
• M10: 3,438,806 km (0.107 R)
• M11: 4,031,663 km (0.117 R)
• M12: 5,017,363 km (0.094 R)
• M13: 5,215,281 km (0.115 R)
• M14: 6,090,877 km (0.045 R)
• M15: 7,861,966 km (0.101 R)
• M16: 9,514,724 km (0.111 R)
• M17: 11,977,105 km (0.092 R)
• M18: 15,183,735 km (0.103 R)
• M19: 17,141,822 km (0.034 R)
• M20: 19,469,564 km (0.076 R)
• M21: 19,959,198 km (0.081 R)
• M22: 21,999,863 km (0.105 R)
• M23: 23,382,746 km (0.042 R)
• M24: 25,315,400 km (0.096 R)
• M25: 29,130,595 km (0.115 R)
• M26: 29,587,018 km (0.117 R)
• M27: 31,460,432 km (0.057 R)
• M28: 32,817,883 km (0.078 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 454 - 17,440 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit