🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 24

Radius: 8.9

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.79 AU - 0.81 AU

Year: 469 Days

Day: 12.2 Hours

Environment

Temp: -148 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 42,908,636 km

• M1: 111,301 km (0.093 R)
• M2: 451,486 km (0.115 R)
• M3: 905,666 km (0.081 R)
• M4: 1,693,597 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 118.8

Radius: 8.9

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.99 AU - 1.19 AU

Year: 747 Days

Day: 10.9 Hours

Environment

Temp: -171 °C

Axial Tilt: 101.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 42,908,636 km

• M1: 110,702 km (0.095 R)
• M2: 642,074 km (0.076 R)
• M3: 999,763 km (0.097 R)
• M4: 1,381,836 km (0.061 R)
• M5: 1,732,493 km (0.082 R)
• M6: 2,207,317 km (0.077 R)
• M7: 2,607,042 km (0.098 R)
• M8: 3,564,169 km (0.109 R)
• M9: 3,906,150 km (0.051 R)
• M10: 4,466,992 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 734.8

Radius: 12.8

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.99 AU - 2.15 AU

Year: 1954 Days

Day: 7.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 42,908,636 km

• M1: 159,471 km (0.04 R)
• M2: 558,299 km (0.087 R)
• M3: 1,320,201 km (0.076 R)
• M4: 1,762,113 km (0.089 R)
• M5: 2,567,548 km (0.057 R)
• M6: 3,891,340 km (0.096 R)
• M7: 4,778,156 km (0.111 R)
• M8: 6,735,794 km (0.111 R)
• M9: 7,341,665 km (0.049 R)
• M10: 8,536,503 km (0.047 R)
• M11: 10,385,683 km (0.094 R)
• M12: 10,933,510 km (0.103 R)
• M13: 11,616,125 km (0.098 R)
• M14: 13,150,850 km (0.111 R)
• M15: 13,923,223 km (0.049 R)
• M16: 14,725,666 km (0.036 R)
• M17: 15,324,357 km (0.117 R)
• M18: 15,843,312 km (0.062 R)
• M19: 16,374,235 km (0.059 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 741.5

Radius: 8.4

Gravity: 10.51 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 4.41 AU - 6.31 AU

Year: 8141 Days

Day: 5.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 42,908,636 km

• M1: 105,018 km (0.117 R)
• M2: 402,717 km (0.08 R)
• M3: 667,057 km (0.092 R)
• M4: 1,429,707 km (0.119 R)
• M5: 1,877,453 km (0.078 R)
• M6: 2,307,996 km (0.088 R)
• M7: 2,604,649 km (0.086 R)
• M8: 3,076,181 km (0.041 R)
• M9: 5,749,196 km (0.108 R)
• M10: 7,865,706 km (0.099 R)
• M11: 8,412,935 km (0.12 R)
• M12: 9,212,237 km (0.096 R)
• M13: 9,964,265 km (0.113 R)
• M14: 16,281,634 km (0.038 R)
• M15: 17,239,659 km (0.113 R)
• M16: 19,267,757 km (0.098 R)
• M17: 20,495,507 km (0.117 R)
• M18: 21,128,605 km (0.108 R)
• M19: 22,350,520 km (0.114 R)
• M20: 27,520,772 km (0.091 R)
• M21: 28,097,173 km (0.114 R)
• M22: 28,779,938 km (0.084 R)
• M23: 29,175,026 km (0.104 R)
• M24: 31,831,734 km (0.104 R)
• M25: 32,360,413 km (0.095 R)
• M26: 32,787,665 km (0.11 R)
• M27: 33,218,656 km (0.086 R)
• M28: 34,645,520 km (0.057 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 459 - 11,055 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit