🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.84 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959.7

Radius: 10.5

Gravity: 8.7 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.48 AU - 1.88 AU

Year: 1531 Days

Day: 6.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 18,498,567 km

• M1: 130,599 km (0.058 R)
• M2: 490,232 km (0.114 R)
• M3: 1,164,021 km (0.11 R)
• M4: 1,554,471 km (0.026 R)
• M5: 2,044,105 km (0.09 R)
• M6: 3,038,482 km (0.107 R)
• M7: 3,500,291 km (0.069 R)
• M8: 4,026,726 km (0.092 R)
• M9: 5,107,720 km (0.105 R)
• M10: 5,485,305 km (0.105 R)
• M11: 6,025,802 km (0.085 R)
• M12: 6,397,254 km (0.08 R)
• M13: 7,776,397 km (0.031 R)
• M14: 9,214,182 km (0.094 R)
• M15: 9,541,651 km (0.086 R)
• M16: 9,944,967 km (0.115 R)
• M17: 10,394,658 km (0.048 R)
• M18: 10,930,368 km (0.045 R)
• M19: 11,711,120 km (0.049 R)
• M20: 12,972,080 km (0.096 R)
• M21: 13,467,548 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294.5

Radius: 10.8

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.82 AU - 2.62 AU

Year: 2325 Days

Day: 13.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 18,498,567 km

• M1: 134,339 km (0.044 R)
• M2: 740,360 km (0.118 R)
• M3: 1,303,895 km (0.067 R)
• M4: 2,006,107 km (0.084 R)
• M5: 4,081,778 km (0.114 R)
• M6: 4,622,724 km (0.095 R)
• M7: 5,622,935 km (0.103 R)
• M8: 7,359,318 km (0.095 R)
• M9: 7,963,244 km (0.088 R)
• M10: 8,364,765 km (0.034 R)
• M11: 10,889,229 km (0.075 R)
• M12: 12,419,914 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 497.5

Radius: 8.1

Gravity: 7.58 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 2.61 AU - 2.97 AU

Year: 3276 Days

Day: 12.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 18,498,567 km

• M1: 100,679 km (0.089 R)
• M2: 355,145 km (0.055 R)
• M3: 634,445 km (0.03 R)
• M4: 1,075,309 km (0.1 R)
• M5: 1,484,460 km (0.09 R)
• M6: 2,325,798 km (0.117 R)
• M7: 2,693,510 km (0.06 R)
• M8: 3,048,805 km (0.038 R)
• M9: 3,308,806 km (0.039 R)
• M10: 3,640,464 km (0.091 R)
• M11: 4,816,752 km (0.103 R)
• M12: 5,593,165 km (0.077 R)
• M13: 5,878,598 km (0.114 R)
• M14: 6,173,605 km (0.058 R)
• M15: 7,485,578 km (0.1 R)
• M16: 8,423,707 km (0.042 R)
• M17: 9,114,998 km (0.092 R)
• M18: 9,881,089 km (0.097 R)
• M19: 11,375,272 km (0.114 R)
• M20: 12,879,479 km (0.115 R)
• M21: 16,382,912 km (0.092 R)
• M22: 16,647,550 km (0.082 R)
• M23: 17,734,528 km (0.058 R)
• M24: 20,049,555 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 515.2

Radius: 10.1

Gravity: 5.05 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 2.37 AU - 3.69 AU

Year: 3707 Days

Day: 10.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 18,498,567 km

• M1: 125,662 km (0.119 R)
• M2: 785,688 km (0.094 R)
• M3: 1,117,945 km (0.105 R)
• M4: 1,578,856 km (0.059 R)
• M5: 2,553,486 km (0.04 R)
• M6: 3,551,304 km (0.082 R)
• M7: 5,962,522 km (0.109 R)
• M8: 9,154,043 km (0.118 R)
• M9: 13,863,983 km (0.088 R)
• M10: 14,654,458 km (0.103 R)
• M11: 15,790,205 km (0.09 R)
• M12: 17,319,095 km (0.119 R)
• M13: 19,184,730 km (0.044 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 610.9

Radius: 8.6

Gravity: 8.26 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 2.44 AU - 3.66 AU

Year: 3744 Days

Day: 7.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 18,498,567 km

• M1: 116,686 km (0.09 R)
• M2: 420,520 km (0.049 R)
• M3: 744,848 km (0.036 R)
• M4: 1,156,541 km (0.119 R)
• M5: 1,951,654 km (0.096 R)
• M6: 3,180,002 km (0.1 R)
• M7: 3,801,880 km (0.118 R)
• M8: 4,076,841 km (0.099 R)
• M9: 5,523,004 km (0.06 R)
• M10: 5,848,978 km (0.113 R)
• M11: 6,509,751 km (0.074 R)
• M12: 7,029,454 km (0.045 R)
• M13: 7,911,483 km (0.104 R)
• M14: 9,542,699 km (0.108 R)
• M15: 11,085,352 km (0.111 R)
• M16: 12,096,185 km (0.082 R)
• M17: 14,098,552 km (0.03 R)
• M18: 15,283,966 km (0.115 R)
• M19: 16,815,100 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.3

Radius: 10.6

Gravity: 8.18 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 3.61 AU - 3.81 AU

Year: 5023 Days

Day: 10.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 18,498,567 km

• M1: 131,796 km (0.066 R)
• M2: 651,798 km (0.109 R)
• M3: 1,394,103 km (0.111 R)
• M4: 1,986,809 km (0.11 R)
• M5: 3,456,160 km (0.116 R)
• M6: 3,881,466 km (0.075 R)
• M7: 4,520,249 km (0.111 R)
• M8: 5,401,082 km (0.103 R)
• M9: 6,359,705 km (0.078 R)
• M10: 9,270,730 km (0.104 R)
• M11: 10,874,718 km (0.092 R)
• M12: 11,545,964 km (0.103 R)
• M13: 13,836,606 km (0.097 R)
• M14: 15,383,448 km (0.096 R)
• M15: 16,106,604 km (0.077 R)
• M16: 17,948,154 km (0.107 R)
• M17: 22,578,358 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 38.8

Radius: 7.9

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 5.3 AU - 6.5 AU

Year: 10074 Days

Day: 24.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 18,498,567 km

• M1: 98,286 km (0.111 R)
• M2: 352,602 km (0.082 R)
• M3: 646,412 km (0.095 R)
• M4: 1,551,031 km (0.088 R)
• M5: 2,567,847 km (0.073 R)
• M6: 3,541,879 km (0.03 R)
• M7: 3,819,982 km (0.086 R)
• M8: 4,633,794 km (0.053 R)
• M9: 5,632,360 km (0.105 R)
• M10: 6,436,598 km (0.045 R)
• M11: 7,737,351 km (0.089 R)
• M12: 9,274,021 km (0.105 R)
• M13: 14,519,969 km (0.088 R)
• M14: 16,633,338 km (0.036 R)
• M15: 17,844,034 km (0.05 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: 390 - 16,875 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit