🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.81 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827.1

Radius: 10.1

Gravity: 8.11 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.51 AU - 1.73 AU

Year: 1353 Days

Day: 12.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 37,614,172 km

• M1: 125,662 km (0.11 R)
• M2: 526,435 km (0.105 R)
• M3: 1,064,239 km (0.092 R)
• M4: 1,413,999 km (0.07 R)
• M5: 1,791,135 km (0.119 R)
• M6: 2,165,878 km (0.026 R)
• M7: 3,209,772 km (0.115 R)
• M8: 3,921,559 km (0.099 R)
• M9: 4,259,949 km (0.079 R)
• M10: 5,481,116 km (0.092 R)
• M11: 5,905,526 km (0.053 R)
• M12: 7,607,201 km (0.111 R)
• M13: 9,455,483 km (0.053 R)
• M14: 10,232,494 km (0.052 R)
• M15: 10,568,641 km (0.084 R)
• M16: 11,227,619 km (0.098 R)
• M17: 12,858,984 km (0.04 R)
• M18: 13,330,068 km (0.046 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 96.5

Radius: 10

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.55 AU - 2.05 AU

Year: 1584 Days

Day: 6.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 37,614,172 km

• M1: 124,316 km (0.118 R)
• M2: 518,207 km (0.117 R)
• M3: 855,401 km (0.09 R)
• M4: 1,205,160 km (0.102 R)
• M5: 1,613,563 km (0.115 R)
• M6: 1,970,952 km (0.058 R)
• M7: 2,351,529 km (0.106 R)
• M8: 2,962,786 km (0.062 R)
• M9: 3,623,111 km (0.12 R)
• M10: 4,705,900 km (0.111 R)
• M11: 5,304,890 km (0.066 R)
• M12: 6,634,965 km (0.061 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609.5

Radius: 11.7

Gravity: 4.45 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.58 AU - 2.32 AU

Year: 1786 Days

Day: 12.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 37,614,172 km

• M1: 145,559 km (0.047 R)
• M2: 544,237 km (0.115 R)
• M3: 1,004,251 km (0.117 R)
• M4: 1,370,316 km (0.067 R)
• M5: 1,976,936 km (0.097 R)
• M6: 2,701,588 km (0.054 R)
• M7: 3,513,156 km (0.098 R)
• M8: 4,307,671 km (0.105 R)
• M9: 5,026,638 km (0.098 R)
• M10: 5,917,493 km (0.098 R)
• M11: 6,302,109 km (0.042 R)
• M12: 6,780,673 km (0.119 R)
• M13: 7,283,472 km (0.104 R)
• M14: 9,678,982 km (0.049 R)
• M15: 10,351,724 km (0.111 R)
• M16: 10,770,149 km (0.062 R)
• M17: 12,055,494 km (0.076 R)
• M18: 13,646,767 km (0.11 R)
• M19: 14,321,004 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 703.9

Radius: 12

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.67 AU - 2.25 AU

Year: 1800 Days

Day: 6.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 37,614,172 km

• M1: 150,047 km (0.115 R)
• M2: 654,341 km (0.049 R)
• M3: 1,027,588 km (0.096 R)
• M4: 1,406,220 km (0.111 R)
• M5: 1,827,637 km (0.049 R)
• M6: 2,527,306 km (0.096 R)
• M7: 2,918,206 km (0.097 R)
• M8: 4,247,084 km (0.06 R)
• M9: 5,144,222 km (0.109 R)
• M10: 5,849,277 km (0.114 R)
• M11: 7,340,768 km (0.072 R)
• M12: 11,171,071 km (0.091 R)
• M13: 11,809,705 km (0.074 R)
• M14: 12,592,102 km (0.098 R)
• M15: 13,830,024 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 637.7

Radius: 8.2

Gravity: 9.48 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 3.71 AU - 3.79 AU

Year: 4764 Days

Day: 5.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 37,614,172 km

• M1: 102,026 km (0.101 R)
• M2: 461,809 km (0.074 R)
• M3: 774,468 km (0.097 R)
• M4: 1,190,649 km (0.075 R)
• M5: 1,462,618 km (0.075 R)
• M6: 1,977,684 km (0.109 R)
• M7: 2,301,114 km (0.054 R)
• M8: 2,925,386 km (0.106 R)
• M9: 4,757,661 km (0.036 R)
• M10: 5,205,408 km (0.092 R)
• M11: 6,401,293 km (0.08 R)
• M12: 7,559,031 km (0.1 R)
• M13: 8,429,840 km (0.114 R)
• M14: 9,285,241 km (0.047 R)
• M15: 9,692,745 km (0.112 R)
• M16: 10,112,068 km (0.075 R)
• M17: 10,369,526 km (0.075 R)
• M18: 11,168,079 km (0.042 R)
• M19: 11,769,912 km (0.119 R)
• M20: 12,589,259 km (0.076 R)
• M21: 12,937,373 km (0.086 R)
• M22: 13,601,289 km (0.114 R)
• M23: 16,133,233 km (0.102 R)
• M24: 18,898,549 km (0.027 R)
• M25: 19,686,182 km (0.11 R)
• M26: 21,467,743 km (0.116 R)
• M27: 27,453,154 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 283.3

Radius: 10.3

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 4.56 AU - 4.68 AU

Year: 6514 Days

Day: 11 Hours

Environment

Temp: -217 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 37,614,172 km

• M1: 128,056 km (0.108 R)
• M2: 592,108 km (0.047 R)
• M3: 1,132,157 km (0.061 R)
• M4: 1,481,019 km (0.101 R)
• M5: 2,222,127 km (0.072 R)
• M6: 2,727,768 km (0.095 R)
• M7: 3,367,598 km (0.105 R)
• M8: 3,776,299 km (0.056 R)
• M9: 4,547,626 km (0.069 R)
• M10: 5,725,859 km (0.113 R)
• M11: 6,432,110 km (0.057 R)
• M12: 7,328,500 km (0.113 R)
• M13: 8,125,259 km (0.035 R)
• M14: 8,712,879 km (0.116 R)
• M15: 11,306,009 km (0.115 R)
• M16: 13,598,895 km (0.043 R)
• M17: 13,957,481 km (0.109 R)
• M18: 24,959,657 km (0.077 R)
• M19: 26,517,719 km (0.058 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 926.1

Radius: 14.3

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 4.27 AU - 6.47 AU

Year: 8163 Days

Day: 5.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 37,614,172 km

• M1: 178,171 km (0.084 R)
• M2: 864,376 km (0.107 R)
• M3: 2,347,490 km (0.11 R)
• M4: 3,218,748 km (0.078 R)
• M5: 3,693,123 km (0.037 R)
• M6: 5,342,140 km (0.073 R)
• M7: 11,930,430 km (0.064 R)
• M8: 14,936,001 km (0.072 R)
• M9: 18,790,091 km (0.119 R)
• M10: 19,555,882 km (0.116 R)
• M11: 20,582,573 km (0.109 R)
• M12: 23,262,618 km (0.118 R)
• M13: 25,051,360 km (0.095 R)
• M14: 25,885,668 km (0.101 R)
• M15: 29,408,847 km (0.031 R)
• M16: 39,344,390 km (0.072 R)

Planet 8 - Ice Giant

Semi-Major Axis: 11.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 56.7

Radius: 3.4

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 8.57 AU - 13.57 AU

Year: 24162 Days

Day: 20.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 37,614,172 km

• M1: 42,635 km (0.094 R)
• M2: 169,046 km (0.113 R)
• M3: 987,346 km (0.108 R)
• M4: 1,129,464 km (0.108 R)
• M5: 2,747,066 km (0.065 R)
• M6: 2,946,928 km (0.083 R)
• M7: 3,795,597 km (0.115 R)
• M8: 4,997,018 km (0.089 R)
• M9: 5,325,235 km (0.111 R)
• M10: 8,403,660 km (0.114 R)
• M11: 11,342,511 km (0.118 R)
• M12: 13,775,720 km (0.076 R)
• M13: 14,300,958 km (0.102 R)
• M14: 16,276,398 km (0.069 R)
• M15: 16,535,501 km (0.109 R)
• M16: 29,586,270 km (0.055 R)
• M17: 33,491,672 km (0.104 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 176 - 18,251 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit