🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 345.8

Radius: 12.9

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.43 AU - 0.65 AU

Year: 274 Days

Day: 10.9 Hours

Environment

Temp: -134 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 36,771,699 km

• M1: 160,369 km (0.102 R)
• M2: 655,687 km (0.113 R)
• M3: 1,068,727 km (0.086 R)
• M4: 1,618,051 km (0.095 R)
• M5: 2,141,942 km (0.109 R)
• M6: 2,571,587 km (0.115 R)
• M7: 3,077,677 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 264.5

Radius: 9.5

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.67 AU - 1.11 AU

Year: 580 Days

Day: 6.5 Hours

Environment

Temp: -167 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 36,771,699 km

• M1: 118,182 km (0.093 R)
• M2: 513,121 km (0.09 R)
• M3: 874,549 km (0.107 R)
• M4: 1,210,696 km (0.083 R)
• M5: 1,547,291 km (0.102 R)
• M6: 1,946,717 km (0.083 R)
• M7: 2,599,113 km (0.105 R)
• M8: 3,424,894 km (0.087 R)
• M9: 4,109,603 km (0.065 R)
• M10: 4,971,137 km (0.057 R)

Asteroid Belt

Center: 1.25 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 906.9

Radius: 11.9

Gravity: 6.4 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.37 AU - 1.83 AU

Year: 1397 Days

Day: 5.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 36,771,699 km

• M1: 148,102 km (0.096 R)
• M2: 869,912 km (0.096 R)
• M3: 1,318,256 km (0.114 R)
• M4: 1,943,276 km (0.085 R)
• M5: 2,717,595 km (0.099 R)
• M6: 3,409,784 km (0.062 R)
• M7: 4,124,712 km (0.111 R)
• M8: 4,916,534 km (0.059 R)
• M9: 5,491,588 km (0.1 R)
• M10: 5,946,216 km (0.062 R)
• M11: 7,009,259 km (0.036 R)
• M12: 8,079,183 km (0.036 R)
• M13: 8,729,185 km (0.028 R)
• M14: 9,703,965 km (0.057 R)
• M15: 10,133,760 km (0.11 R)
• M16: 10,541,713 km (0.112 R)
• M17: 11,174,213 km (0.082 R)
• M18: 11,573,190 km (0.094 R)
• M19: 13,064,980 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 240.5

Radius: 8.1

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.58 AU - 1.76 AU

Year: 1490 Days

Day: 10.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 36,771,699 km

• M1: 101,427 km (0.115 R)
• M2: 454,179 km (0.103 R)
• M3: 797,357 km (0.083 R)
• M4: 1,146,967 km (0.102 R)
• M5: 1,422,676 km (0.099 R)
• M6: 1,841,849 km (0.081 R)
• M7: 2,234,693 km (0.076 R)
• M8: 3,910,488 km (0.096 R)
• M9: 4,260,547 km (0.114 R)
• M10: 5,097,099 km (0.116 R)
• M11: 5,515,374 km (0.095 R)
• M12: 5,997,678 km (0.031 R)
• M13: 6,334,572 km (0.107 R)
• M14: 7,302,919 km (0.035 R)
• M15: 9,361,984 km (0.061 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 310.8

Radius: 11.1

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 2.37 AU - 2.53 AU

Year: 2647 Days

Day: 5.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 36,771,699 km

• M1: 138,079 km (0.039 R)
• M2: 552,465 km (0.097 R)
• M3: 1,284,896 km (0.095 R)
• M4: 1,650,962 km (0.113 R)
• M5: 2,560,368 km (0.067 R)
• M6: 3,706,736 km (0.1 R)
• M7: 4,347,015 km (0.062 R)
• M8: 5,824,593 km (0.043 R)
• M9: 6,284,906 km (0.107 R)
• M10: 7,841,920 km (0.026 R)
• M11: 8,373,741 km (0.1 R)
• M12: 9,842,642 km (0.104 R)
• M13: 10,287,397 km (0.115 R)
• M14: 10,997,687 km (0.098 R)
• M15: 12,085,414 km (0.116 R)
• M16: 14,649,371 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 702.9

Radius: 14.1

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 3.81 AU - 5.23 AU

Year: 6633 Days

Day: 10.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 36,771,699 km

• M1: 175,329 km (0.072 R)
• M2: 740,360 km (0.113 R)
• M3: 1,588,430 km (0.08 R)
• M4: 2,167,673 km (0.1 R)
• M5: 2,925,686 km (0.115 R)
• M6: 3,443,893 km (0.12 R)
• M7: 4,350,456 km (0.055 R)
• M8: 5,058,502 km (0.089 R)
• M9: 5,685,617 km (0.095 R)
• M10: 6,499,579 km (0.114 R)
• M11: 7,464,485 km (0.088 R)
• M12: 9,768,891 km (0.059 R)
• M13: 12,197,612 km (0.058 R)
• M14: 13,273,520 km (0.058 R)
• M15: 14,295,273 km (0.106 R)
• M16: 16,240,195 km (0.028 R)
• M17: 20,724,840 km (0.119 R)
• M18: 31,850,284 km (0.043 R)
• M19: 32,959,852 km (0.043 R)
• M20: 33,886,760 km (0.117 R)
• M21: 35,792,487 km (0.089 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 233 - 12,015 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit