🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.76 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 198.9

Radius: 14.2

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.5 AU - 1.52 AU

Year: 1259 Days

Day: 13.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 69,460,227 km

• M1: 176,525 km (0.036 R)
• M2: 1,076,805 km (0.116 R)
• M3: 1,753,137 km (0.062 R)
• M4: 2,346,891 km (0.117 R)
• M5: 3,098,022 km (0.065 R)
• M6: 4,167,348 km (0.097 R)
• M7: 4,714,427 km (0.101 R)
• M8: 5,524,649 km (0.089 R)
• M9: 6,922,941 km (0.062 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 572.4

Radius: 13.5

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 2.05 AU - 3.41 AU

Year: 3059 Days

Day: 11.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 135 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 69,460,227 km

• M1: 169,494 km (0.067 R)
• M2: 614,249 km (0.103 R)
• M3: 1,430,455 km (0.119 R)
• M4: 1,923,529 km (0.082 R)
• M5: 2,977,446 km (0.095 R)
• M6: 3,422,949 km (0.045 R)
• M7: 4,874,048 km (0.038 R)
• M8: 5,933,650 km (0.073 R)
• M9: 6,617,163 km (0.071 R)
• M10: 7,819,780 km (0.119 R)
• M11: 9,341,489 km (0.082 R)
• M12: 9,890,364 km (0.112 R)
• M13: 12,218,107 km (0.046 R)
• M14: 12,653,586 km (0.1 R)
• M15: 13,741,312 km (0.07 R)
• M16: 14,164,974 km (0.049 R)
• M17: 16,679,863 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322.1

Radius: 9

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 3.17 AU - 4.23 AU

Year: 4827 Days

Day: 5.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 69,460,227 km

• M1: 111,899 km (0.096 R)
• M2: 427,401 km (0.048 R)
• M3: 1,374,206 km (0.042 R)
• M4: 1,790,986 km (0.101 R)
• M5: 2,082,851 km (0.074 R)
• M6: 2,496,788 km (0.077 R)
• M7: 2,813,637 km (0.073 R)
• M8: 3,868,152 km (0.056 R)
• M9: 4,428,546 km (0.118 R)
• M10: 6,265,159 km (0.106 R)
• M11: 7,038,430 km (0.092 R)
• M12: 7,512,655 km (0.111 R)
• M13: 8,246,732 km (0.082 R)
• M14: 9,101,086 km (0.109 R)
• M15: 9,474,033 km (0.119 R)
• M16: 10,532,139 km (0.085 R)
• M17: 11,494,053 km (0.104 R)
• M18: 11,930,131 km (0.079 R)
• M19: 12,286,922 km (0.078 R)
• M20: 15,825,959 km (0.102 R)
• M21: 17,029,922 km (0.116 R)
• M22: 17,425,609 km (0.057 R)
• M23: 20,750,721 km (0.081 R)
• M24: 21,397,731 km (0.097 R)
• M25: 22,258,667 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 495

Radius: 11.2

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 3.61 AU - 3.81 AU

Year: 4847 Days

Day: 8.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 69,460,227 km

• M1: 139,276 km (0.106 R)
• M2: 556,803 km (0.118 R)
• M3: 1,123,031 km (0.096 R)
• M4: 1,565,243 km (0.099 R)
• M5: 2,095,268 km (0.079 R)
• M6: 2,759,632 km (0.112 R)
• M7: 3,559,681 km (0.06 R)
• M8: 4,389,501 km (0.08 R)
• M9: 4,850,711 km (0.041 R)
• M10: 5,424,868 km (0.094 R)
• M11: 7,060,122 km (0.073 R)
• M12: 10,241,769 km (0.067 R)
• M13: 10,708,066 km (0.065 R)
• M14: 12,910,446 km (0.096 R)
• M15: 13,555,512 km (0.062 R)
• M16: 15,235,047 km (0.081 R)
• M17: 18,008,442 km (0.075 R)
• M18: 21,375,142 km (0.118 R)
• M19: 22,703,422 km (0.081 R)
• M20: 24,160,355 km (0.052 R)
• M21: 25,063,926 km (0.074 R)
• M22: 25,756,265 km (0.064 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 193.1

Radius: 11.4

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 3.53 AU - 5.61 AU

Year: 6626 Days

Day: 5.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 69,460,227 km

• M1: 142,118 km (0.055 R)
• M2: 630,256 km (0.07 R)
• M3: 2,082,851 km (0.115 R)
• M4: 3,056,883 km (0.082 R)
• M5: 3,737,404 km (0.11 R)
• M6: 11,497,344 km (0.093 R)
• M7: 11,938,658 km (0.071 R)
• M8: 12,668,097 km (0.104 R)
• M9: 14,724,769 km (0.073 R)
• M10: 16,825,572 km (0.109 R)
• M11: 18,213,541 km (0.068 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 453.3

Radius: 8

Gravity: 7.08 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 5.65 AU - 7.35 AU

Year: 11240 Days

Day: 23.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 69,460,227 km

• M1: 104,419 km (0.045 R)
• M2: 394,190 km (0.025 R)
• M3: 722,408 km (0.116 R)
• M4: 1,441,675 km (0.067 R)
• M5: 2,014,784 km (0.096 R)
• M6: 3,859,475 km (0.046 R)
• M7: 4,260,099 km (0.114 R)
• M8: 4,747,488 km (0.057 R)
• M9: 6,253,640 km (0.08 R)
• M10: 8,754,617 km (0.119 R)
• M11: 10,477,835 km (0.107 R)
• M12: 11,099,414 km (0.092 R)
• M13: 11,635,872 km (0.083 R)
• M14: 14,517,875 km (0.11 R)
• M15: 16,157,318 km (0.112 R)
• M16: 16,499,448 km (0.119 R)
• M17: 23,428,373 km (0.084 R)
• M18: 26,899,642 km (0.106 R)
• M19: 29,260,147 km (0.107 R)
• M20: 30,803,548 km (0.107 R)
• M21: 38,364,224 km (0.098 R)
• M22: 40,587,847 km (0.066 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 636.3

Radius: 4.6

Gravity: 30.07 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 7.43 AU - 10.43 AU

Year: 18100 Days

Day: 17.8 Hours

Environment

Temp: -244 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 69,460,227 km

• M1: 57,296 km (0.05 R)
• M2: 629,209 km (0.05 R)
• M3: 786,137 km (0.118 R)
• M4: 981,063 km (0.069 R)
• M5: 1,516,324 km (0.116 R)
• M6: 2,310,090 km (0.099 R)
• M7: 2,483,923 km (0.099 R)
• M8: 3,717,058 km (0.056 R)
• M9: 5,384,925 km (0.102 R)
• M10: 7,589,549 km (0.093 R)
• M11: 7,780,735 km (0.109 R)
• M12: 8,424,006 km (0.083 R)
• M13: 10,625,488 km (0.085 R)
• M14: 11,107,492 km (0.098 R)
• M15: 12,910,147 km (0.083 R)
• M16: 13,809,828 km (0.077 R)
• M17: 16,517,998 km (0.079 R)
• M18: 17,246,540 km (0.061 R)
• M19: 23,155,357 km (0.095 R)
• M20: 27,953,559 km (0.088 R)
• M21: 30,764,653 km (0.107 R)
• M22: 33,119,323 km (0.076 R)
• M23: 36,532,548 km (0.111 R)
• M24: 37,905,408 km (0.094 R)
• M25: 50,315,449 km (0.112 R)
• M26: 51,159,629 km (0.076 R)
• M27: 51,499,965 km (0.099 R)
• M28: 54,986,493 km (0.104 R)
• M29: 55,522,651 km (0.078 R)
• M30: 58,813,206 km (0.105 R)
• M31: 58,999,605 km (0.071 R)
• M32: 64,582,149 km (0.075 R)
• M33: 67,603,128 km (0.099 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 209 - 14,132 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit