🌌 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: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 793.2

Radius: 8.8

Gravity: 10.24 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.68 AU - 0.9 AU

Year: 485 Days

Day: 12.2 Hours

Environment

Temp: -164 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 81,373,565 km

• M1: 109,805 km (0.08 R)
• M2: 421,716 km (0.12 R)
• M3: 701,165 km (0.092 R)
• M4: 1,716,336 km (0.108 R)
• M5: 2,281,068 km (0.117 R)
• M6: 2,576,225 km (0.072 R)
• M7: 3,581,373 km (0.063 R)
• M8: 4,295,703 km (0.087 R)
• M9: 4,625,267 km (0.095 R)
• M10: 6,342,052 km (0.059 R)
• M11: 6,632,122 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 763.8

Radius: 13.3

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.02 AU - 1.62 AU

Year: 1047 Days

Day: 13.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 81,373,565 km

• M1: 165,455 km (0.089 R)
• M2: 604,226 km (0.05 R)
• M3: 1,036,115 km (0.096 R)
• M4: 1,830,629 km (0.12 R)
• M5: 2,331,483 km (0.106 R)
• M6: 2,910,576 km (0.068 R)
• M7: 3,377,920 km (0.027 R)
• M8: 3,800,384 km (0.11 R)
• M9: 4,483,448 km (0.041 R)
• M10: 5,091,564 km (0.068 R)
• M11: 5,506,847 km (0.106 R)
• M12: 6,030,739 km (0.113 R)
• M13: 6,451,109 km (0.116 R)
• M14: 7,203,736 km (0.039 R)
• M15: 7,703,393 km (0.116 R)
• M16: 8,468,885 km (0.076 R)
• M17: 9,082,984 km (0.112 R)
• M18: 10,942,635 km (0.055 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 215.4

Radius: 8.1

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.38 AU - 1.9 AU

Year: 1450 Days

Day: 13 Hours

Environment

Temp: -198 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 81,373,565 km

• M1: 101,727 km (0.103 R)
• M2: 558,598 km (0.067 R)
• M3: 827,875 km (0.084 R)
• M4: 1,084,435 km (0.085 R)
• M5: 1,604,886 km (0.113 R)
• M6: 2,509,654 km (0.104 R)
• M7: 4,020,592 km (0.102 R)
• M8: 4,419,719 km (0.068 R)
• M9: 5,149,757 km (0.115 R)
• M10: 5,797,516 km (0.059 R)
• M11: 6,520,074 km (0.118 R)
• M12: 7,278,086 km (0.078 R)
• M13: 8,193,176 km (0.098 R)
• M14: 8,446,445 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.1

Radius: 8.2

Gravity: 14.32 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 2.97 AU - 2.99 AU

Year: 3551 Days

Day: 9.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 81,373,565 km

• M1: 102,026 km (0.069 R)
• M2: 368,609 km (0.066 R)
• M3: 716,424 km (0.093 R)
• M4: 1,312,273 km (0.113 R)
• M5: 3,257,942 km (0.071 R)
• M6: 4,050,512 km (0.101 R)
• M7: 4,589,363 km (0.055 R)
• M8: 4,940,170 km (0.112 R)
• M9: 5,390,161 km (0.089 R)
• M10: 5,838,356 km (0.11 R)
• M11: 7,035,438 km (0.058 R)
• M12: 8,097,882 km (0.114 R)
• M13: 8,425,352 km (0.106 R)
• M14: 8,875,941 km (0.108 R)
• M15: 9,784,299 km (0.102 R)
• M16: 10,927,975 km (0.117 R)
• M17: 13,631,208 km (0.096 R)
• M18: 14,043,351 km (0.068 R)
• M19: 16,809,415 km (0.093 R)
• M20: 18,196,038 km (0.092 R)
• M21: 18,632,714 km (0.098 R)
• M22: 19,462,384 km (0.039 R)
• M23: 20,183,296 km (0.088 R)
• M24: 22,311,176 km (0.077 R)
• M25: 25,194,974 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 451.1

Radius: 8

Gravity: 7.05 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 2.96 AU - 3.86 AU

Year: 4347 Days

Day: 7.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 81,373,565 km

• M1: 110,403 km (0.116 R)
• M2: 433,086 km (0.055 R)
• M3: 1,052,720 km (0.11 R)
• M4: 2,157,201 km (0.051 R)
• M5: 3,999,649 km (0.103 R)
• M6: 5,428,907 km (0.068 R)
• M7: 6,765,265 km (0.115 R)
• M8: 8,664,409 km (0.034 R)
• M9: 12,857,488 km (0.09 R)
• M10: 13,431,495 km (0.119 R)
• M11: 14,528,048 km (0.043 R)
• M12: 16,063,371 km (0.047 R)
• M13: 16,898,426 km (0.079 R)
• M14: 17,183,260 km (0.058 R)
• M15: 17,471,087 km (0.113 R)
• M16: 22,050,427 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 249.1

Radius: 13.4

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 3.6 AU - 5.64 AU

Year: 6854 Days

Day: 6.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 81,373,565 km

• M1: 171,738 km (0.115 R)
• M2: 778,507 km (0.046 R)
• M3: 1,845,589 km (0.051 R)
• M4: 2,268,053 km (0.095 R)
• M5: 2,946,031 km (0.081 R)
• M6: 4,214,022 km (0.096 R)
• M7: 4,933,738 km (0.097 R)
• M8: 5,485,305 km (0.051 R)
• M9: 6,588,589 km (0.093 R)
• M10: 7,628,145 km (0.087 R)
• M11: 12,046,219 km (0.096 R)
• M12: 12,854,795 km (0.086 R)
• M13: 14,109,323 km (0.081 R)
• M14: 16,398,619 km (0.059 R)
• M15: 16,978,311 km (0.111 R)
• M16: 18,178,684 km (0.098 R)
• M17: 20,748,177 km (0.116 R)
• M18: 21,702,163 km (0.031 R)
• M19: 22,542,903 km (0.059 R)
• M20: 23,918,456 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959.6

Radius: 9.4

Gravity: 10.86 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 4.35 AU - 5.81 AU

Year: 7903 Days

Day: 7.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 81,373,565 km

• M1: 116,986 km (0.1 R)
• M2: 420,819 km (0.045 R)
• M3: 1,175,540 km (0.078 R)
• M4: 1,505,703 km (0.114 R)
• M5: 1,930,112 km (0.075 R)
• M6: 2,250,401 km (0.102 R)
• M7: 3,043,569 km (0.082 R)
• M8: 3,652,133 km (0.119 R)
• M9: 4,038,993 km (0.104 R)
• M10: 4,567,971 km (0.105 R)
• M11: 5,142,726 km (0.097 R)
• M12: 6,218,634 km (0.108 R)
• M13: 7,041,273 km (0.088 R)
• M14: 8,321,082 km (0.051 R)
• M15: 8,765,238 km (0.054 R)
• M16: 9,556,611 km (0.114 R)
• M17: 10,344,244 km (0.086 R)
• M18: 10,805,903 km (0.091 R)
• M19: 11,335,031 km (0.088 R)
• M20: 11,992,513 km (0.052 R)
• M21: 13,747,745 km (0.065 R)
• M22: 16,004,579 km (0.087 R)
• M23: 17,833,413 km (0.117 R)
• M24: 18,274,427 km (0.106 R)
• M25: 18,798,169 km (0.089 R)
• M26: 19,641,452 km (0.072 R)
• M27: 20,191,075 km (0.057 R)
• M28: 20,670,237 km (0.044 R)
• M29: 26,075,806 km (0.117 R)
• M30: 27,904,192 km (0.062 R)
• M31: 28,498,843 km (0.105 R)
• M32: 33,788,175 km (0.032 R)
• M33: 40,828,700 km (0.097 R)
• M34: 42,501,653 km (0.066 R)

Asteroid Belt

Center: 5.47 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 45.5

Radius: 4.3

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 4.83 AU - 6.89 AU

Year: 9792 Days

Day: 20.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 81,373,565 km

• M1: 54,304 km (0.103 R)
• M2: 324,029 km (0.108 R)
• M3: 622,178 km (0.057 R)
• M4: 1,769,743 km (0.063 R)
• M5: 3,059,127 km (0.08 R)
• M6: 4,386,060 km (0.118 R)
• M7: 10,578,065 km (0.101 R)
• M8: 13,600,990 km (0.082 R)
• M9: 14,868,832 km (0.113 R)
• M10: 15,407,234 km (0.1 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 653.2

Radius: 6.4

Gravity: 15.95 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 8.64 AU - 11.86 AU

Year: 22652 Days

Day: 22.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 81,373,565 km

• M1: 81,232 km (0.117 R)
• M2: 337,792 km (0.085 R)
• M3: 553,662 km (0.074 R)
• M4: 1,068,727 km (0.032 R)
• M5: 1,289,833 km (0.09 R)
• M6: 2,001,320 km (0.105 R)
• M7: 2,669,275 km (0.118 R)
• M8: 3,027,711 km (0.043 R)
• M9: 3,778,393 km (0.107 R)
• M10: 4,366,612 km (0.064 R)
• M11: 5,204,809 km (0.086 R)
• M12: 8,958,070 km (0.066 R)
• M13: 10,990,656 km (0.091 R)
• M14: 11,248,413 km (0.065 R)
• M15: 11,709,175 km (0.087 R)
• M16: 15,293,690 km (0.098 R)
• M17: 17,551,421 km (0.081 R)
• M18: 22,819,659 km (0.073 R)
• M19: 23,451,261 km (0.046 R)
• M20: 26,438,581 km (0.101 R)
• M21: 44,575,378 km (0.074 R)
• M22: 45,727,432 km (0.098 R)
• M23: 46,227,238 km (0.106 R)
• M24: 51,068,973 km (0.108 R)
• M25: 51,427,260 km (0.078 R)
• M26: 53,981,943 km (0.12 R)
• M27: 55,290,475 km (0.099 R)
• M28: 56,238,028 km (0.105 R)
• M29: 57,582,764 km (0.042 R)
• M30: 62,560,184 km (0.045 R)
• M31: 64,628,823 km (0.116 R)
• M32: 65,680,197 km (0.117 R)
• M33: 67,816,754 km (0.113 R)
• M34: 70,885,305 km (0.1 R)
• M35: 73,588,090 km (0.095 R)
• M36: 78,006,762 km (0.113 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 244 - 14,708 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit