🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.91 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.66

Radius: 0.85

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.82 AU - 1.82 AU

Year: 1121 Days

Day: 17.8 Hours

Environment

Temp: -122 °C

Axial Tilt: 46.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 39,552,585 km

• M1: 20,345 km (0.073 R)
• M2: 138,677 km (0.063 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 981.7

Radius: 14.1

Gravity: 4.94 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 2.48 AU - 3.38 AU

Year: 2290 Days

Day: 12 Hours

Environment

Temp: -154 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 39,552,585 km

• M1: 175,628 km (0.1 R)
• M2: 625,020 km (0.081 R)
• M3: 1,411,157 km (0.111 R)
• M4: 1,990,400 km (0.086 R)
• M5: 2,607,341 km (0.083 R)
• M6: 3,297,735 km (0.091 R)
• M7: 3,908,394 km (0.109 R)
• M8: 4,484,944 km (0.085 R)
• M9: 5,481,266 km (0.032 R)
• M10: 6,705,425 km (0.066 R)
• M11: 7,474,059 km (0.11 R)
• M12: 8,366,859 km (0.104 R)
• M13: 9,365,275 km (0.063 R)
• M14: 10,136,901 km (0.053 R)
• M15: 11,150,427 km (0.061 R)
• M16: 12,273,458 km (0.081 R)
• M17: 13,562,393 km (0.111 R)
• M18: 16,883,167 km (0.088 R)
• M19: 18,138,443 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 466.6

Radius: 14.3

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 4.03 AU - 4.17 AU

Year: 3790 Days

Day: 6.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 39,552,585 km

• M1: 177,872 km (0.075 R)
• M2: 628,610 km (0.078 R)
• M3: 1,109,268 km (0.045 R)
• M4: 1,622,688 km (0.086 R)
• M5: 2,147,926 km (0.073 R)
• M6: 2,631,427 km (0.097 R)
• M7: 3,421,453 km (0.051 R)
• M8: 4,025,679 km (0.108 R)
• M9: 5,175,638 km (0.11 R)
• M10: 6,112,120 km (0.107 R)
• M11: 7,097,671 km (0.085 R)
• M12: 7,790,309 km (0.1 R)
• M13: 8,913,340 km (0.084 R)
• M14: 11,736,103 km (0.048 R)
• M15: 14,957,244 km (0.106 R)
• M16: 16,634,834 km (0.116 R)
• M17: 18,786,201 km (0.106 R)
• M18: 19,928,830 km (0.098 R)
• M19: 21,892,003 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 479.7

Radius: 13.6

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 4.11 AU - 4.21 AU

Year: 3874 Days

Day: 9.5 Hours

Environment

Temp: -170 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 39,552,585 km

• M1: 169,195 km (0.03 R)
• M2: 677,978 km (0.073 R)
• M3: 1,460,374 km (0.111 R)
• M4: 1,929,364 km (0.105 R)
• M5: 2,354,371 km (0.105 R)
• M6: 2,941,842 km (0.096 R)
• M7: 3,530,510 km (0.071 R)
• M8: 5,140,632 km (0.102 R)
• M9: 5,702,970 km (0.091 R)
• M10: 7,104,403 km (0.059 R)
• M11: 7,969,079 km (0.071 R)
• M12: 8,409,943 km (0.118 R)
• M13: 9,010,878 km (0.046 R)
• M14: 9,602,687 km (0.093 R)
• M15: 10,180,883 km (0.109 R)
• M16: 10,782,117 km (0.115 R)
• M17: 11,750,314 km (0.113 R)
• M18: 12,821,435 km (0.065 R)
• M19: 13,286,535 km (0.099 R)
• M20: 16,426,744 km (0.09 R)
• M21: 20,343,964 km (0.101 R)
• M22: 20,977,661 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 512.7

Radius: 12.7

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 4.73 AU - 5.75 AU

Year: 5476 Days

Day: 13.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 114.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 39,552,585 km

• M1: 158,873 km (0.12 R)
• M2: 2,228,709 km (0.086 R)
• M3: 2,887,089 km (0.11 R)
• M4: 4,001,294 km (0.089 R)
• M5: 4,545,083 km (0.079 R)
• M6: 5,869,622 km (0.087 R)
• M7: 6,542,064 km (0.053 R)
• M8: 7,788,664 km (0.094 R)
• M9: 9,552,273 km (0.117 R)
• M10: 11,153,269 km (0.048 R)
• M11: 11,946,138 km (0.115 R)
• M12: 14,442,777 km (0.089 R)
• M13: 15,103,700 km (0.103 R)
• M14: 16,249,919 km (0.114 R)
• M15: 17,888,315 km (0.112 R)
• M16: 25,313,904 km (0.066 R)
• M17: 27,594,524 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 717.7

Radius: 9.9

Gravity: 7.32 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 5.84 AU - 6.88 AU

Year: 7323 Days

Day: 13 Hours

Environment

Temp: -181 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 39,552,585 km

• M1: 123,119 km (0.117 R)
• M2: 542,891 km (0.049 R)
• M3: 997,967 km (0.103 R)
• M4: 1,476,681 km (0.086 R)
• M5: 2,646,536 km (0.117 R)
• M6: 3,236,251 km (0.094 R)
• M7: 4,164,805 km (0.098 R)
• M8: 5,292,174 km (0.097 R)
• M9: 5,894,156 km (0.063 R)
• M10: 6,576,472 km (0.063 R)
• M11: 7,697,558 km (0.074 R)
• M12: 8,428,793 km (0.072 R)
• M13: 8,768,230 km (0.04 R)
• M14: 10,654,360 km (0.091 R)
• M15: 11,666,240 km (0.117 R)
• M16: 12,796,452 km (0.062 R)
• M17: 13,474,280 km (0.112 R)
• M18: 17,024,986 km (0.096 R)
• M19: 19,563,362 km (0.058 R)
• M20: 20,462,745 km (0.108 R)
• M21: 22,995,885 km (0.079 R)
• M22: 27,639,553 km (0.05 R)
• M23: 28,013,398 km (0.113 R)
• M24: 28,580,673 km (0.095 R)
• M25: 30,826,436 km (0.112 R)
• M26: 32,977,205 km (0.084 R)
• M27: 33,503,790 km (0.102 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 523 - 18,386 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit