🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 455.5

Radius: 10.1

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.67 AU - 0.81 AU

Year: 405 Days

Day: 9.6 Hours

Environment

Temp: -133 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 16,069,959 km

• M1: 125,662 km (0.092 R)
• M2: 521,199 km (0.108 R)
• M3: 1,068,278 km (0.116 R)
• M4: 1,439,431 km (0.091 R)
• M5: 1,853,069 km (0.099 R)
• M6: 2,558,872 km (0.118 R)
• M7: 2,954,109 km (0.067 R)
• M8: 3,323,466 km (0.079 R)
• M9: 4,029,119 km (0.1 R)
• M10: 4,621,677 km (0.063 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 366

Radius: 12.7

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.57 AU - 0.93 AU

Year: 413 Days

Day: 6.7 Hours

Environment

Temp: -152 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 16,069,959 km

• M1: 159,023 km (0.075 R)
• M2: 597,793 km (0.06 R)
• M3: 1,301,950 km (0.054 R)
• M4: 1,785,151 km (0.063 R)
• M5: 2,191,459 km (0.091 R)
• M6: 2,799,724 km (0.097 R)
• M7: 3,441,499 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 599

Radius: 8.5

Gravity: 8.29 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.65 AU - 0.95 AU

Year: 455 Days

Day: 6.1 Hours

Environment

Temp: -150 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 16,069,959 km

• M1: 105,766 km (0.102 R)
• M2: 492,476 km (0.083 R)
• M3: 780,452 km (0.059 R)
• M4: 1,140,235 km (0.102 R)
• M5: 1,466,059 km (0.089 R)
• M6: 1,732,343 km (0.115 R)
• M7: 2,167,224 km (0.09 R)
• M8: 3,042,372 km (0.103 R)
• M9: 3,653,180 km (0.067 R)
• M10: 4,094,943 km (0.05 R)
• M11: 4,542,988 km (0.049 R)
• M12: 4,930,895 km (0.099 R)
• M13: 5,308,331 km (0.099 R)
• M14: 5,772,982 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 472.1

Radius: 10.4

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.92 AU - 1 AU

Year: 598 Days

Day: 13.2 Hours

Environment

Temp: -147 °C

Axial Tilt: 73.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 16,069,959 km

• M1: 130,150 km (0.108 R)
• M2: 461,360 km (0.107 R)
• M3: 1,021,604 km (0.119 R)
• M4: 1,641,687 km (0.077 R)
• M5: 2,003,863 km (0.072 R)
• M6: 2,400,597 km (0.093 R)
• M7: 2,742,727 km (0.06 R)
• M8: 3,930,834 km (0.088 R)
• M9: 4,755,268 km (0.062 R)
• M10: 5,233,532 km (0.113 R)
• M11: 6,010,842 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740.6

Radius: 12.3

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.87 AU - 1.07 AU

Year: 607 Days

Day: 10.8 Hours

Environment

Temp: -154 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 16,069,959 km

• M1: 156,330 km (0.114 R)
• M2: 552,166 km (0.092 R)
• M3: 992,283 km (0.089 R)
• M4: 1,392,307 km (0.032 R)
• M5: 1,945,520 km (0.109 R)
• M6: 2,495,143 km (0.096 R)
• M7: 2,944,834 km (0.052 R)
• M8: 4,443,057 km (0.057 R)
• M9: 6,029,393 km (0.051 R)
• M10: 7,142,401 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 904.9

Radius: 13.1

Gravity: 5.27 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.04 AU - 1.16 AU

Year: 734 Days

Day: 5.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 16,069,959 km

• M1: 162,912 km (0.12 R)
• M2: 667,506 km (0.097 R)
• M3: 1,241,064 km (0.113 R)
• M4: 1,848,431 km (0.103 R)
• M5: 2,320,562 km (0.117 R)
• M6: 3,149,933 km (0.047 R)
• M7: 3,713,767 km (0.109 R)
• M8: 4,121,421 km (0.086 R)
• M9: 5,509,690 km (0.077 R)
• M10: 6,083,547 km (0.077 R)
• M11: 7,328,201 km (0.102 R)
• M12: 7,924,947 km (0.065 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 742.4

Radius: 9

Gravity: 9.17 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.15 AU - 1.69 AU

Year: 1076 Days

Day: 13.1 Hours

Environment

Temp: -165 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 16,069,959 km

• M1: 113,545 km (0.105 R)
• M2: 755,918 km (0.066 R)
• M3: 1,362,089 km (0.03 R)
• M4: 2,132,368 km (0.047 R)
• M5: 2,727,020 km (0.07 R)
• M6: 3,224,433 km (0.104 R)
• M7: 3,609,497 km (0.073 R)
• M8: 4,024,931 km (0.075 R)
• M9: 6,439,141 km (0.078 R)
• M10: 7,728,525 km (0.118 R)
• M11: 11,137,711 km (0.107 R)

Planet 8 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 23.5

Radius: 10.2

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.7 AU - 2.2 AU

Year: 1731 Days

Day: 10.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 16,069,959 km

• M1: 128,953 km (0.077 R)
• M2: 770,429 km (0.052 R)
• M3: 1,089,521 km (0.098 R)
• M4: 1,694,794 km (0.054 R)
• M5: 2,170,665 km (0.065 R)
• M6: 2,584,602 km (0.091 R)
• M7: 3,071,543 km (0.083 R)
• M8: 4,128,153 km (0.108 R)
• M9: 4,601,930 km (0.102 R)

Planet 9 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 876.3

Radius: 9.4

Gravity: 9.92 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.97 AU - 2.35 AU

Year: 2018 Days

Day: 6.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 16,069,959 km

• M1: 116,986 km (0.117 R)
• M2: 425,905 km (0.033 R)
• M3: 803,789 km (0.068 R)
• M4: 1,238,371 km (0.103 R)
• M5: 1,905,278 km (0.11 R)
• M6: 2,300,516 km (0.115 R)
• M7: 2,810,346 km (0.069 R)
• M8: 3,108,793 km (0.112 R)
• M9: 3,788,716 km (0.099 R)
• M10: 4,234,368 km (0.117 R)
• M11: 4,867,765 km (0.034 R)
• M12: 5,207,502 km (0.062 R)
• M13: 5,660,634 km (0.097 R)
• M14: 6,139,945 km (0.12 R)
• M15: 6,591,432 km (0.119 R)
• M16: 8,018,147 km (0.071 R)
• M17: 9,122,179 km (0.105 R)
• M18: 9,605,081 km (0.111 R)
• M19: 10,068,685 km (0.091 R)
• M20: 12,954,876 km (0.098 R)
• M21: 14,286,447 km (0.079 R)
• M22: 16,201,001 km (0.046 R)

Planet 10 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 179.3

Radius: 8

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 2.64 AU - 3.94 AU

Year: 3794 Days

Day: 8 Hours

Environment

Temp: -201 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 16,069,959 km

• M1: 101,876 km (0.028 R)
• M2: 484,996 km (0.048 R)
• M3: 755,320 km (0.107 R)
• M4: 1,176,138 km (0.09 R)
• M5: 1,441,525 km (0.065 R)
• M6: 2,572,635 km (0.099 R)
• M7: 2,859,264 km (0.12 R)
• M8: 3,199,450 km (0.108 R)
• M9: 3,463,640 km (0.117 R)
• M10: 4,266,531 km (0.102 R)
• M11: 5,187,905 km (0.117 R)
• M12: 5,719,426 km (0.109 R)
• M13: 6,135,308 km (0.104 R)
• M14: 6,440,787 km (0.078 R)
• M15: 6,918,154 km (0.073 R)
• M16: 10,046,544 km (0.072 R)
• M17: 11,169,426 km (0.065 R)
• M18: 11,858,773 km (0.107 R)
• M19: 13,279,803 km (0.102 R)
• M20: 14,675,252 km (0.12 R)
• M21: 15,926,638 km (0.084 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 420 - 13,476 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit