🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 78.2

Radius: 14.4

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.5 AU - 0.7 AU

Year: 315 Days

Day: 11.8 Hours

Environment

Temp: -150 °C

Axial Tilt: 152.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 32,868,402 km

• M1: 179,069 km (0.112 R)
• M2: 861,385 km (0.098 R)
• M3: 1,452,745 km (0.092 R)
• M4: 2,009,099 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 742.7

Radius: 9.5

Gravity: 8.23 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.96 AU - 1.36 AU

Year: 847 Days

Day: 7.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 32,868,402 km

• M1: 118,332 km (0.09 R)
• M2: 455,376 km (0.083 R)
• M3: 769,531 km (0.101 R)
• M4: 1,136,345 km (0.079 R)
• M5: 1,452,595 km (0.098 R)
• M6: 1,801,308 km (0.081 R)
• M7: 2,289,895 km (0.076 R)
• M8: 3,055,088 km (0.113 R)
• M9: 3,797,991 km (0.116 R)
• M10: 4,171,836 km (0.116 R)
• M11: 4,519,202 km (0.114 R)
• M12: 5,030,528 km (0.039 R)
• M13: 5,482,612 km (0.092 R)
• M14: 6,085,641 km (0.099 R)
• M15: 6,687,623 km (0.105 R)
• M16: 7,688,882 km (0.07 R)
• M17: 8,010,517 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 922.4

Radius: 14.3

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.65 AU - 2.73 AU

Year: 2198 Days

Day: 14.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 32,868,402 km

• M1: 177,872 km (0.098 R)
• M2: 803,789 km (0.084 R)
• M3: 1,319,603 km (0.098 R)
• M4: 2,173,657 km (0.046 R)
• M5: 2,696,801 km (0.091 R)
• M6: 3,586,459 km (0.054 R)
• M7: 4,262,492 km (0.068 R)
• M8: 5,896,998 km (0.115 R)
• M9: 6,673,561 km (0.031 R)
• M10: 7,366,798 km (0.072 R)
• M11: 8,139,770 km (0.104 R)
• M12: 14,148,967 km (0.098 R)
• M13: 15,148,729 km (0.094 R)
• M14: 15,891,483 km (0.116 R)
• M15: 17,773,125 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 392

Radius: 11.6

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 2.6 AU - 3.26 AU

Year: 3402 Days

Day: 9 Hours

Environment

Temp: -215 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 32,868,402 km

• M1: 147,803 km (0.11 R)
• M2: 1,225,655 km (0.102 R)
• M3: 1,772,735 km (0.095 R)
• M4: 2,313,082 km (0.067 R)
• M5: 4,556,302 km (0.09 R)
• M6: 5,405,869 km (0.067 R)
• M7: 6,330,982 km (0.087 R)
• M8: 7,150,329 km (0.028 R)
• M9: 8,761,498 km (0.09 R)
• M10: 11,757,495 km (0.112 R)
• M11: 12,217,060 km (0.113 R)
• M12: 15,877,570 km (0.106 R)
• M13: 16,336,237 km (0.119 R)
• M14: 17,387,312 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 434.8

Radius: 13.2

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 2.76 AU - 4.46 AU

Year: 4652 Days

Day: 8.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 32,868,402 km

• M1: 164,558 km (0.058 R)
• M2: 600,935 km (0.107 R)
• M3: 1,155,644 km (0.073 R)
• M4: 1,621,491 km (0.058 R)
• M5: 2,864,201 km (0.119 R)
• M6: 3,968,682 km (0.079 R)
• M7: 4,786,234 km (0.109 R)
• M8: 5,713,292 km (0.052 R)
• M9: 6,219,980 km (0.034 R)
• M10: 8,376,284 km (0.109 R)
• M11: 10,119,847 km (0.058 R)
• M12: 10,779,723 km (0.068 R)
• M13: 11,293,293 km (0.08 R)
• M14: 13,028,329 km (0.107 R)
• M15: 14,467,460 km (0.057 R)
• M16: 15,305,508 km (0.066 R)
• M17: 18,678,192 km (0.039 R)
• M18: 19,925,838 km (0.046 R)
• M19: 21,228,387 km (0.104 R)
• M20: 21,900,679 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 368.4

Radius: 12.7

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 4.39 AU - 5.75 AU

Year: 7743 Days

Day: 7.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 32,868,402 km

• M1: 157,975 km (0.099 R)
• M2: 576,999 km (0.081 R)
• M3: 1,041,052 km (0.116 R)
• M4: 1,512,883 km (0.026 R)
• M5: 1,952,851 km (0.071 R)
• M6: 2,395,959 km (0.056 R)
• M7: 3,059,875 km (0.071 R)
• M8: 3,468,127 km (0.031 R)
• M9: 4,395,784 km (0.075 R)
• M10: 8,813,409 km (0.041 R)
• M11: 10,128,823 km (0.118 R)
• M12: 11,571,096 km (0.03 R)
• M13: 13,146,062 km (0.108 R)
• M14: 14,347,633 km (0.043 R)
• M15: 16,531,761 km (0.077 R)
• M16: 19,754,100 km (0.12 R)
• M17: 21,402,070 km (0.061 R)
• M18: 23,140,098 km (0.076 R)
• M19: 26,383,978 km (0.052 R)
• M20: 28,648,291 km (0.054 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: 368 - 18,925 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit