🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 985.2

Radius: 14.6

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.55 AU - 0.61 AU

Year: 300 Days

Day: 11.5 Hours

Environment

Temp: -145 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 44,673,275 km

• M1: 182,360 km (0.036 R)
• M2: 688,001 km (0.072 R)
• M3: 1,417,290 km (0.029 R)
• M4: 2,264,613 km (0.108 R)
• M5: 2,760,829 km (0.052 R)
• M6: 3,330,198 km (0.104 R)
• M7: 4,181,560 km (0.093 R)
• M8: 4,764,991 km (0.065 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 793

Radius: 12.1

Gravity: 5.42 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.12 AU - 1.16 AU

Year: 826 Days

Day: 9.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 44,673,275 km

• M1: 150,495 km (0.093 R)
• M2: 614,698 km (0.082 R)
• M3: 1,094,757 km (0.116 R)
• M4: 1,548,787 km (0.111 R)
• M5: 2,030,791 km (0.117 R)
• M6: 2,532,692 km (0.107 R)
• M7: 3,129,737 km (0.087 R)
• M8: 3,956,265 km (0.116 R)
• M9: 4,438,270 km (0.095 R)
• M10: 4,923,266 km (0.103 R)
• M11: 6,000,071 km (0.055 R)
• M12: 6,749,258 km (0.081 R)
• M13: 7,135,070 km (0.082 R)
• M14: 7,705,038 km (0.103 R)
• M15: 8,330,806 km (0.063 R)
• M16: 9,071,615 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 797.1

Radius: 11.9

Gravity: 5.63 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.48 AU - 2.2 AU

Year: 1693 Days

Day: 13.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 44,673,275 km

• M1: 147,952 km (0.1 R)
• M2: 520,601 km (0.102 R)
• M3: 1,040,603 km (0.102 R)
• M4: 1,458,579 km (0.102 R)
• M5: 1,859,053 km (0.089 R)
• M6: 2,235,142 km (0.117 R)
• M7: 2,817,078 km (0.041 R)
• M8: 5,803,949 km (0.082 R)
• M9: 6,415,505 km (0.073 R)
• M10: 7,151,227 km (0.118 R)
• M11: 9,043,939 km (0.115 R)
• M12: 9,935,094 km (0.069 R)
• M13: 11,436,608 km (0.081 R)
• M14: 13,125,268 km (0.043 R)
• M15: 13,498,814 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 762.9

Radius: 8.8

Gravity: 9.85 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.88 AU - 2.86 AU

Year: 2475 Days

Day: 10.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 44,673,275 km

• M1: 109,506 km (0.089 R)
• M2: 488,587 km (0.105 R)
• M3: 790,326 km (0.11 R)
• M4: 1,422,377 km (0.04 R)
• M5: 1,745,807 km (0.045 R)
• M6: 2,911,324 km (0.115 R)
• M7: 3,349,496 km (0.09 R)
• M8: 3,773,307 km (0.062 R)
• M9: 4,190,984 km (0.118 R)
• M10: 4,773,219 km (0.118 R)
• M11: 5,657,492 km (0.104 R)
• M12: 6,314,227 km (0.089 R)
• M13: 7,020,927 km (0.065 R)
• M14: 7,654,325 km (0.086 R)
• M15: 8,590,957 km (0.066 R)
• M16: 9,209,694 km (0.052 R)
• M17: 9,529,983 km (0.03 R)
• M18: 10,690,713 km (0.054 R)
• M19: 11,817,783 km (0.074 R)
• M20: 13,792,176 km (0.094 R)
• M21: 14,688,417 km (0.097 R)
• M22: 16,079,078 km (0.092 R)
• M23: 17,071,511 km (0.115 R)
• M24: 17,718,970 km (0.101 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 555.3

Radius: 3.9

Gravity: 36.51 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 5.19 AU - 6.83 AU

Year: 9993 Days

Day: 16.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 44,673,275 km

• M1: 86,767 km (0.12 R)
• M2: 234,719 km (0.078 R)
• M3: 598,541 km (0.099 R)
• M4: 779,704 km (0.111 R)
• M5: 1,038,658 km (0.1 R)
• M6: 1,205,759 km (0.045 R)
• M7: 1,833,621 km (0.105 R)
• M8: 2,308,894 km (0.093 R)
• M9: 5,139,435 km (0.049 R)
• M10: 6,179,439 km (0.086 R)
• M11: 9,784,150 km (0.066 R)
• M12: 10,683,831 km (0.083 R)
• M13: 11,637,218 km (0.094 R)
• M14: 14,644,435 km (0.093 R)
• M15: 16,635,283 km (0.109 R)
• M16: 17,551,421 km (0.096 R)
• M17: 19,253,545 km (0.043 R)
• M18: 23,414,311 km (0.058 R)
• M19: 28,432,422 km (0.099 R)
• M20: 35,596,514 km (0.111 R)
• M21: 36,291,247 km (0.088 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 202 - 10,762 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit