🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 288.6

Radius: 13.8

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.67 AU - 0.73 AU

Year: 378 Days

Day: 10.6 Hours

Environment

Temp: -131 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 42,588,282 km

• M1: 171,589 km (0.096 R)
• M2: 605,722 km (0.062 R)
• M3: 1,316,760 km (0.047 R)
• M4: 2,510,701 km (0.116 R)
• M5: 2,941,543 km (0.108 R)
• M6: 3,809,211 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 993

Radius: 8.4

Gravity: 14.07 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.75 AU - 1.21 AU

Year: 626 Days

Day: 7.4 Hours

Environment

Temp: -168 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 42,588,282 km

• M1: 104,419 km (0.09 R)
• M2: 391,946 km (0.087 R)
• M3: 708,496 km (0.029 R)
• M4: 1,010,234 km (0.072 R)
• M5: 1,510,639 km (0.098 R)
• M6: 1,893,759 km (0.103 R)
• M7: 2,177,846 km (0.107 R)
• M8: 2,490,505 km (0.12 R)
• M9: 2,821,117 km (0.101 R)
• M10: 3,670,085 km (0.031 R)
• M11: 5,258,365 km (0.081 R)
• M12: 5,844,639 km (0.056 R)
• M13: 8,430,289 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 71.7

Radius: 12.9

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.86 AU - 1.18 AU

Year: 665 Days

Day: 12.3 Hours

Environment

Temp: -158 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 42,588,282 km

• M1: 160,369 km (0.094 R)
• M2: 653,593 km (0.116 R)
• M3: 1,372,112 km (0.074 R)
• M4: 2,174,555 km (0.088 R)
• M5: 3,388,541 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 276

Radius: 15

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.98 AU - 1.08 AU

Year: 675 Days

Day: 12.9 Hours

Environment

Temp: -168 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 42,588,282 km

• M1: 186,549 km (0.064 R)
• M2: 673,938 km (0.104 R)
• M3: 1,173,745 km (0.109 R)
• M4: 1,926,372 km (0.087 R)
• M5: 2,564,706 km (0.076 R)
• M6: 3,308,207 km (0.081 R)
• M7: 4,219,408 km (0.064 R)
• M8: 5,120,286 km (0.063 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 563.4

Radius: 14.9

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 2.27 AU - 2.41 AU

Year: 2311 Days

Day: 12.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 42,588,282 km

• M1: 185,651 km (0.111 R)
• M2: 940,073 km (0.068 R)
• M3: 2,968,471 km (0.072 R)
• M4: 3,638,370 km (0.094 R)
• M5: 5,849,576 km (0.08 R)
• M6: 6,666,231 km (0.088 R)
• M7: 8,093,245 km (0.066 R)
• M8: 10,677,698 km (0.108 R)
• M9: 11,276,987 km (0.103 R)
• M10: 13,126,615 km (0.114 R)
• M11: 16,220,748 km (0.1 R)
• M12: 16,913,535 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 355

Radius: 10.8

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 3.62 AU - 4.98 AU

Year: 5757 Days

Day: 7.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 42,588,282 km

• M1: 134,937 km (0.087 R)
• M2: 616,642 km (0.086 R)
• M3: 1,251,536 km (0.068 R)
• M4: 1,670,859 km (0.052 R)
• M5: 2,697,998 km (0.099 R)
• M6: 3,528,415 km (0.117 R)
• M7: 4,014,608 km (0.076 R)
• M8: 4,378,879 km (0.097 R)
• M9: 5,690,703 km (0.048 R)
• M10: 8,995,769 km (0.118 R)
• M11: 9,824,840 km (0.113 R)
• M12: 11,229,564 km (0.094 R)
• M13: 14,645,033 km (0.08 R)
• M14: 17,411,995 km (0.088 R)
• M15: 18,698,238 km (0.101 R)
• M16: 20,046,563 km (0.116 R)
• M17: 21,048,720 km (0.072 R)
• M18: 23,370,479 km (0.093 R)
• M19: 24,330,448 km (0.114 R)
• M20: 26,407,615 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 581.6

Radius: 9.8

Gravity: 6.06 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 4.54 AU - 7.12 AU

Year: 9089 Days

Day: 7.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 42,588,282 km

• M1: 124,465 km (0.115 R)
• M2: 441,613 km (0.06 R)
• M3: 785,389 km (0.081 R)
• M4: 1,136,345 km (0.118 R)
• M5: 1,661,883 km (0.101 R)
• M6: 2,583,256 km (0.097 R)
• M7: 3,027,412 km (0.107 R)
• M8: 3,593,341 km (0.099 R)
• M9: 4,615,842 km (0.06 R)
• M10: 5,335,258 km (0.086 R)
• M11: 6,302,109 km (0.111 R)
• M12: 6,920,846 km (0.09 R)
• M13: 8,623,719 km (0.077 R)
• M14: 11,306,457 km (0.049 R)
• M15: 12,000,891 km (0.077 R)
• M16: 12,386,404 km (0.055 R)
• M17: 13,240,459 km (0.112 R)
• M18: 16,915,031 km (0.076 R)
• M19: 17,330,315 km (0.102 R)
• M20: 18,398,145 km (0.096 R)
• M21: 19,433,811 km (0.092 R)
• M22: 22,690,257 km (0.077 R)
• M23: 27,702,235 km (0.094 R)
• M24: 30,771,384 km (0.029 R)
• M25: 32,334,832 km (0.099 R)
• M26: 42,460,962 km (0.098 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 417 - 12,707 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit