🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 715.1

Radius: 12.5

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.78 AU - 1.22 AU

Year: 656 Days

Day: 14.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 45,801,698 km

• M1: 155,432 km (0.118 R)
• M2: 551,418 km (0.103 R)
• M3: 1,264,700 km (0.118 R)
• M4: 1,976,637 km (0.105 R)
• M5: 2,384,590 km (0.119 R)
• M6: 2,930,622 km (0.091 R)
• M7: 4,022,088 km (0.101 R)
• M8: 5,751,589 km (0.103 R)
• M9: 6,272,340 km (0.055 R)
• M10: 7,364,254 km (0.065 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 91.1

Radius: 9.2

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 2.06 AU - 3.16 AU

Year: 2766 Days

Day: 11.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 45,801,698 km

• M1: 117,734 km (0.052 R)
• M2: 626,366 km (0.096 R)
• M3: 1,069,326 km (0.091 R)
• M4: 1,957,339 km (0.12 R)
• M5: 2,527,306 km (0.087 R)
• M6: 3,562,972 km (0.11 R)
• M7: 3,964,643 km (0.056 R)
• M8: 4,970,539 km (0.114 R)
• M9: 5,840,750 km (0.086 R)
• M10: 6,138,001 km (0.102 R)
• M11: 7,138,810 km (0.068 R)
• M12: 9,005,493 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 209

Radius: 13.1

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 2.9 AU - 3.02 AU

Year: 3341 Days

Day: 11.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 45,801,698 km

• M1: 162,912 km (0.063 R)
• M2: 643,420 km (0.105 R)
• M3: 1,096,104 km (0.098 R)
• M4: 2,119,353 km (0.11 R)
• M5: 3,773,905 km (0.049 R)
• M6: 4,211,928 km (0.118 R)
• M7: 5,323,889 km (0.084 R)
• M8: 5,805,893 km (0.081 R)
• M9: 7,402,402 km (0.104 R)
• M10: 8,034,154 km (0.049 R)
• M11: 8,701,510 km (0.05 R)
• M12: 9,340,143 km (0.09 R)
• M13: 9,975,485 km (0.09 R)
• M14: 12,212,273 km (0.077 R)
• M15: 13,219,216 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.2

Radius: 11.5

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 3.15 AU - 4.51 AU

Year: 4917 Days

Day: 7 Hours

Environment

Temp: -200 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 45,801,698 km

• M1: 143,315 km (0.044 R)
• M2: 584,030 km (0.087 R)
• M3: 1,038,209 km (0.098 R)
• M4: 2,656,858 km (0.118 R)
• M5: 3,087,999 km (0.109 R)
• M6: 3,565,665 km (0.099 R)
• M7: 3,978,555 km (0.094 R)
• M8: 4,875,395 km (0.092 R)
• M9: 6,326,344 km (0.114 R)
• M10: 7,758,445 km (0.041 R)
• M11: 10,231,746 km (0.101 R)
• M12: 12,195,667 km (0.084 R)
• M13: 13,343,681 km (0.052 R)
• M14: 14,453,398 km (0.08 R)
• M15: 15,680,998 km (0.11 R)
• M16: 16,616,434 km (0.043 R)
• M17: 19,513,696 km (0.104 R)
• M18: 25,327,368 km (0.119 R)
• M19: 26,778,468 km (0.112 R)
• M20: 27,357,411 km (0.091 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 566.1

Radius: 6.8

Gravity: 12.24 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 5.88 AU - 6.64 AU

Year: 10275 Days

Day: 21.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 45,801,698 km

• M1: 92,152 km (0.102 R)
• M2: 693,087 km (0.051 R)
• M3: 954,734 km (0.09 R)
• M4: 2,307,697 km (0.076 R)
• M5: 2,796,433 km (0.1 R)
• M6: 3,121,509 km (0.12 R)
• M7: 3,618,922 km (0.112 R)
• M8: 5,172,197 km (0.072 R)
• M9: 7,203,736 km (0.048 R)
• M10: 10,008,995 km (0.109 R)
• M11: 10,563,854 km (0.11 R)
• M12: 12,295,150 km (0.087 R)
• M13: 13,711,842 km (0.098 R)
• M14: 16,585,916 km (0.097 R)
• M15: 19,526,262 km (0.1 R)
• M16: 21,037,350 km (0.068 R)
• M17: 21,696,329 km (0.071 R)
• M18: 23,142,342 km (0.106 R)
• M19: 23,844,554 km (0.107 R)
• M20: 27,667,977 km (0.1 R)
• M21: 32,096,971 km (0.106 R)
• M22: 36,502,778 km (0.083 R)
• M23: 37,573,749 km (0.028 R)
• M24: 38,665,664 km (0.039 R)
• M25: 39,157,691 km (0.091 R)
• M26: 39,903,437 km (0.102 R)
• M27: 43,775,179 km (0.111 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: 342 - 12,646 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit