🌌 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: 803

Radius: 11.7

Gravity: 5.87 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 0.69 AU - 0.71 AU

Year: 378 Days

Day: 11.1 Hours

Environment

Temp: -128 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,541,827 km

• M1: 145,559 km (0.042 R)
• M2: 519,553 km (0.083 R)
• M3: 957,576 km (0.116 R)
• M4: 1,429,856 km (0.092 R)
• M5: 1,859,502 km (0.113 R)
• M6: 2,312,783 km (0.087 R)
• M7: 2,808,999 km (0.12 R)
• M8: 3,329,600 km (0.084 R)
• M9: 4,190,386 km (0.062 R)
• M10: 4,594,151 km (0.079 R)
• M11: 5,131,506 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822.7

Radius: 13

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.78 AU - 1.18 AU

Year: 626 Days

Day: 9.3 Hours

Environment

Temp: -149 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 57,541,827 km

• M1: 162,014 km (0.11 R)
• M2: 611,107 km (0.116 R)
• M3: 1,043,445 km (0.076 R)
• M4: 1,507,797 km (0.088 R)
• M5: 2,093,473 km (0.05 R)
• M6: 2,909,230 km (0.078 R)
• M7: 3,564,169 km (0.051 R)
• M8: 4,103,470 km (0.114 R)
• M9: 4,762,598 km (0.113 R)
• M10: 5,293,670 km (0.098 R)
• M11: 5,750,542 km (0.07 R)
• M12: 6,764,965 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 193.8

Radius: 11.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 2.47 AU - 3.25 AU

Year: 3123 Days

Day: 14.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,541,827 km

• M1: 148,700 km (0.09 R)
• M2: 523,593 km (0.076 R)
• M3: 940,821 km (0.089 R)
• M4: 1,454,390 km (0.05 R)
• M5: 2,331,034 km (0.087 R)
• M6: 2,733,751 km (0.091 R)
• M7: 3,836,138 km (0.089 R)
• M8: 9,298,555 km (0.099 R)
• M9: 9,951,101 km (0.082 R)
• M10: 12,792,264 km (0.113 R)
• M11: 13,848,724 km (0.101 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 556.1

Radius: 3.7

Gravity: 40.62 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 5.49 AU - 6.55 AU

Year: 9537 Days

Day: 20.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 57,541,827 km

• M1: 46,226 km (0.069 R)
• M2: 198,068 km (0.096 R)
• M3: 324,478 km (0.072 R)
• M4: 558,898 km (0.074 R)
• M5: 755,170 km (0.077 R)
• M6: 1,112,410 km (0.087 R)
• M7: 1,273,975 km (0.07 R)
• M8: 1,490,892 km (0.106 R)
• M9: 1,982,172 km (0.084 R)
• M10: 2,167,823 km (0.078 R)
• M11: 3,510,912 km (0.06 R)
• M12: 3,657,668 km (0.04 R)
• M13: 4,539,248 km (0.067 R)
• M14: 5,423,372 km (0.057 R)
• M15: 6,860,708 km (0.093 R)
• M16: 7,325,209 km (0.113 R)
• M17: 8,359,679 km (0.032 R)
• M18: 10,713,601 km (0.096 R)
• M19: 11,338,023 km (0.115 R)
• M20: 14,511,891 km (0.094 R)
• M21: 15,210,663 km (0.104 R)
• M22: 17,941,123 km (0.091 R)
• M23: 18,085,635 km (0.093 R)
• M24: 19,269,851 km (0.085 R)
• M25: 21,302,737 km (0.101 R)
• M26: 23,560,617 km (0.087 R)
• M27: 24,524,327 km (0.071 R)
• M28: 24,791,808 km (0.06 R)
• M29: 26,718,030 km (0.107 R)
• M30: 27,286,053 km (0.088 R)
• M31: 33,526,678 km (0.111 R)
• M32: 36,337,173 km (0.109 R)
• M33: 36,568,601 km (0.111 R)
• M34: 36,800,927 km (0.092 R)
• M35: 37,740,401 km (0.109 R)
• M36: 38,695,584 km (0.107 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 599

Radius: 8

Gravity: 9.36 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 6.15 AU - 9.45 AU

Year: 14066 Days

Day: 20.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 57,541,827 km

• M1: 99,483 km (0.101 R)
• M2: 525,388 km (0.113 R)
• M3: 789,278 km (0.095 R)
• M4: 1,074,562 km (0.075 R)
• M5: 1,333,665 km (0.084 R)
• M6: 4,116,634 km (0.087 R)
• M7: 4,827,673 km (0.061 R)
• M8: 5,987,505 km (0.041 R)
• M9: 7,108,891 km (0.114 R)
• M10: 7,945,592 km (0.085 R)
• M11: 9,866,428 km (0.072 R)
• M12: 14,738,083 km (0.113 R)
• M13: 15,157,705 km (0.095 R)
• M14: 16,389,793 km (0.054 R)
• M15: 18,081,595 km (0.113 R)
• M16: 21,184,405 km (0.089 R)
• M17: 23,376,462 km (0.049 R)
• M18: 27,254,189 km (0.11 R)
• M19: 29,289,917 km (0.09 R)
• M20: 29,620,378 km (0.089 R)
• M21: 31,424,978 km (0.058 R)
• M22: 37,276,947 km (0.087 R)
• M23: 38,449,645 km (0.105 R)
• M24: 39,646,577 km (0.081 R)
• M25: 49,349,046 km (0.098 R)
• M26: 50,603,873 km (0.098 R)
• M27: 54,661,716 km (0.119 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 287 - 17,975 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit