🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 835.9

Radius: 14.3

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.89 AU - 0.91 AU

Year: 589 Days

Day: 7.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 38,116,278 km

• M1: 177,872 km (0.104 R)
• M2: 681,269 km (0.058 R)
• M3: 1,588,879 km (0.092 R)
• M4: 2,118,455 km (0.106 R)
• M5: 2,879,161 km (0.092 R)
• M6: 3,571,051 km (0.116 R)
• M7: 4,176,025 km (0.108 R)
• M8: 4,702,310 km (0.043 R)
• M9: 5,255,373 km (0.113 R)
• M10: 6,655,759 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.5

Radius: 8.9

Gravity: 6.31 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.77 AU - 1.19 AU

Year: 670 Days

Day: 10.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 38,116,278 km

• M1: 110,702 km (0.116 R)
• M2: 454,030 km (0.112 R)
• M3: 833,260 km (0.106 R)
• M4: 1,334,114 km (0.077 R)
• M5: 1,700,479 km (0.097 R)
• M6: 2,069,836 km (0.112 R)
• M7: 2,692,313 km (0.07 R)
• M8: 2,995,099 km (0.112 R)
• M9: 4,158,970 km (0.111 R)
• M10: 4,488,235 km (0.117 R)
• M11: 4,932,691 km (0.056 R)
• M12: 5,493,683 km (0.08 R)
• M13: 6,002,615 km (0.114 R)
• M14: 6,346,091 km (0.108 R)
• M15: 7,051,744 km (0.032 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 205.6

Radius: 14

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.19 AU - 1.89 AU

Year: 1319 Days

Day: 11.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 38,116,278 km

• M1: 174,132 km (0.086 R)
• M2: 675,883 km (0.096 R)
• M3: 1,126,173 km (0.119 R)
• M4: 1,650,513 km (0.119 R)
• M5: 2,152,414 km (0.094 R)
• M6: 2,745,570 km (0.091 R)
• M7: 3,581,822 km (0.103 R)
• M8: 4,421,664 km (0.115 R)
• M9: 4,897,385 km (0.083 R)
• M10: 5,407,514 km (0.104 R)
• M11: 5,894,904 km (0.097 R)
• M12: 6,473,249 km (0.058 R)
• M13: 6,915,461 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694.9

Radius: 14.8

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.99 AU - 3.31 AU

Year: 2978 Days

Day: 8.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 38,116,278 km

• M1: 187,596 km (0.054 R)
• M2: 862,282 km (0.079 R)
• M3: 1,408,614 km (0.104 R)
• M4: 2,408,825 km (0.097 R)
• M5: 3,300,428 km (0.115 R)
• M6: 4,127,256 km (0.118 R)
• M7: 4,624,070 km (0.118 R)
• M8: 5,661,681 km (0.104 R)
• M9: 7,645,050 km (0.086 R)
• M10: 8,433,131 km (0.083 R)
• M11: 9,384,125 km (0.11 R)
• M12: 12,446,992 km (0.109 R)
• M13: 14,012,683 km (0.074 R)
• M14: 15,603,058 km (0.07 R)
• M15: 16,071,299 km (0.074 R)
• M16: 16,926,999 km (0.089 R)
• M17: 18,729,504 km (0.084 R)
• M18: 20,163,100 km (0.115 R)
• M19: 20,969,582 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 714.4

Radius: 14.8

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 4.08 AU - 5.24 AU

Year: 6944 Days

Day: 7 Hours

Environment

Temp: -215 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 38,116,278 km

• M1: 184,005 km (0.095 R)
• M2: 645,515 km (0.109 R)
• M3: 1,197,980 km (0.093 R)
• M4: 1,688,212 km (0.109 R)
• M5: 2,152,564 km (0.068 R)
• M6: 3,055,088 km (0.108 R)
• M7: 3,526,620 km (0.12 R)
• M8: 4,172,733 km (0.044 R)
• M9: 4,701,562 km (0.074 R)
• M10: 5,245,500 km (0.072 R)
• M11: 8,500,899 km (0.077 R)
• M12: 9,534,022 km (0.089 R)
• M13: 10,315,372 km (0.093 R)
• M14: 13,703,165 km (0.094 R)
• M15: 15,680,101 km (0.067 R)
• M16: 18,254,231 km (0.092 R)
• M17: 19,243,522 km (0.045 R)
• M18: 22,746,955 km (0.107 R)
• M19: 23,726,671 km (0.084 R)
• M20: 25,682,962 km (0.062 R)
• M21: 28,114,077 km (0.11 R)
• M22: 34,803,795 km (0.059 R)
• M23: 35,450,207 km (0.108 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 464 - 12,487 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit