🌌 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: 922.2

Radius: 8.8

Gravity: 11.91 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.49 AU - 0.67 AU

Year: 305 Days

Day: 12.7 Hours

Environment

Temp: -142 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 59,199,255 km

• M1: 109,506 km (0.087 R)
• M2: 508,633 km (0.055 R)
• M3: 879,336 km (0.111 R)
• M4: 1,422,526 km (0.103 R)
• M5: 2,399,699 km (0.099 R)
• M6: 3,095,479 km (0.095 R)
• M7: 3,614,135 km (0.1 R)
• M8: 4,335,795 km (0.111 R)
• M9: 4,610,756 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 200.7

Radius: 10.7

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1.21 AU - 1.55 AU

Year: 1119 Days

Day: 11.9 Hours

Environment

Temp: -179 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 59,199,255 km

• M1: 133,142 km (0.056 R)
• M2: 785,838 km (0.091 R)
• M3: 1,165,667 km (0.037 R)
• M4: 1,965,716 km (0.091 R)
• M5: 2,466,420 km (0.09 R)
• M6: 3,822,226 km (0.118 R)
• M7: 4,344,322 km (0.105 R)
• M8: 4,930,147 km (0.099 R)
• M9: 7,241,285 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 324.6

Radius: 12.3

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 2.96 AU - 4.76 AU

Year: 5235 Days

Day: 9.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 59,199,255 km

• M1: 153,787 km (0.073 R)
• M2: 778,507 km (0.119 R)
• M3: 1,650,813 km (0.088 R)
• M4: 4,165,852 km (0.081 R)
• M5: 7,505,176 km (0.112 R)
• M6: 8,320,035 km (0.103 R)
• M7: 11,121,405 km (0.069 R)
• M8: 12,044,873 km (0.1 R)
• M9: 13,894,351 km (0.114 R)
• M10: 17,502,652 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307.9

Radius: 11.2

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 4.87 AU - 5.41 AU

Year: 8044 Days

Day: 10.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 105.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 59,199,255 km

• M1: 139,425 km (0.081 R)
• M2: 669,750 km (0.034 R)
• M3: 1,306,887 km (0.117 R)
• M4: 1,887,925 km (0.116 R)
• M5: 2,532,393 km (0.091 R)
• M6: 3,216,803 km (0.086 R)
• M7: 4,211,330 km (0.111 R)
• M8: 4,662,367 km (0.105 R)
• M9: 5,457,330 km (0.067 R)
• M10: 6,534,435 km (0.05 R)
• M11: 7,106,348 km (0.095 R)
• M12: 9,229,291 km (0.112 R)
• M13: 9,777,118 km (0.081 R)
• M14: 11,360,313 km (0.103 R)
• M15: 12,338,384 km (0.092 R)
• M16: 12,848,064 km (0.1 R)
• M17: 16,026,121 km (0.119 R)
• M18: 16,510,519 km (0.059 R)
• M19: 17,636,243 km (0.107 R)
• M20: 18,879,401 km (0.118 R)
• M21: 19,625,296 km (0.076 R)
• M22: 23,965,728 km (0.114 R)
• M23: 24,599,575 km (0.12 R)
• M24: 27,162,336 km (0.098 R)
• M25: 28,112,881 km (0.117 R)
• M26: 28,818,085 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 741.1

Radius: 9.1

Gravity: 8.95 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 4.08 AU - 6.46 AU

Year: 8351 Days

Day: 6.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 59,199,255 km

• M1: 113,246 km (0.111 R)
• M2: 869,313 km (0.106 R)
• M3: 1,152,801 km (0.119 R)
• M4: 4,896,488 km (0.105 R)
• M5: 5,391,956 km (0.096 R)
• M6: 5,886,527 km (0.109 R)
• M7: 8,737,563 km (0.085 R)
• M8: 9,943,621 km (0.118 R)
• M9: 11,737,748 km (0.079 R)
• M10: 12,797,200 km (0.061 R)
• M11: 13,439,125 km (0.086 R)
• M12: 14,041,107 km (0.111 R)
• M13: 15,041,617 km (0.106 R)
• M14: 16,425,846 km (0.108 R)
• M15: 17,394,642 km (0.066 R)
• M16: 18,548,042 km (0.038 R)
• M17: 24,110,390 km (0.07 R)
• M18: 25,089,059 km (0.084 R)
• M19: 29,370,251 km (0.05 R)
• M20: 40,081,608 km (0.066 R)
• M21: 43,375,603 km (0.076 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 104.9

Radius: 7.1

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 8.16 AU - 9.12 AU

Year: 17530 Days

Day: 21.7 Hours

Environment

Temp: -239 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 59,199,255 km

• M1: 88,712 km (0.084 R)
• M2: 327,619 km (0.108 R)
• M3: 1,284,447 km (0.081 R)
• M4: 1,550,283 km (0.049 R)
• M5: 2,097,213 km (0.096 R)
• M6: 2,595,972 km (0.104 R)
• M7: 3,066,308 km (0.047 R)
• M8: 6,796,830 km (0.108 R)
• M9: 7,420,802 km (0.117 R)
• M10: 7,688,583 km (0.105 R)
• M11: 8,203,050 km (0.08 R)
• M12: 12,201,352 km (0.097 R)
• M13: 14,737,036 km (0.096 R)
• M14: 15,099,661 km (0.106 R)
• M15: 17,807,383 km (0.118 R)
• M16: 23,011,444 km (0.108 R)
• M17: 24,835,640 km (0.085 R)
• M18: 26,309,778 km (0.111 R)
• M19: 35,418,642 km (0.05 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 393.4

Radius: 3.2

Gravity: 38.42 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 8 AU - 9.66 AU

Year: 18111 Days

Day: 20.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 59,199,255 km

• M1: 45,927 km (0.104 R)
• M2: 163,810 km (0.088 R)
• M3: 367,861 km (0.086 R)
• M4: 603,478 km (0.053 R)
• M5: 920,476 km (0.111 R)
• M6: 1,853,817 km (0.112 R)
• M7: 2,070,584 km (0.118 R)
• M8: 4,776,211 km (0.098 R)
• M9: 5,148,261 km (0.111 R)
• M10: 6,064,997 km (0.079 R)
• M11: 11,582,466 km (0.11 R)
• M12: 18,888,676 km (0.091 R)
• M13: 24,898,022 km (0.109 R)
• M14: 36,115,320 km (0.032 R)
• M15: 58,492,169 km (0.084 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 539 - 13,726 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit