🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.87 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 749.6

Radius: 10.2

Gravity: 7.2 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1.72 AU - 1.76 AU

Year: 1506 Days

Day: 8.8 Hours

Environment

Temp: -189 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 45,246,785 km

• M1: 126,859 km (0.11 R)
• M2: 543,489 km (0.084 R)
• M3: 917,334 km (0.04 R)
• M4: 2,200,884 km (0.091 R)
• M5: 2,572,784 km (0.111 R)
• M6: 3,015,594 km (0.115 R)
• M7: 3,460,498 km (0.1 R)
• M8: 4,444,403 km (0.071 R)
• M9: 5,211,691 km (0.114 R)
• M10: 5,994,536 km (0.108 R)
• M11: 8,455,421 km (0.098 R)
• M12: 9,375,448 km (0.06 R)
• M13: 10,293,081 km (0.055 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 426.6

Radius: 11.2

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.81 AU - 2.67 AU

Year: 2199 Days

Day: 12 Hours

Environment

Temp: -184 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 45,246,785 km

• M1: 141,370 km (0.053 R)
• M2: 514,766 km (0.086 R)
• M3: 863,629 km (0.088 R)
• M4: 1,297,612 km (0.108 R)
• M5: 1,835,267 km (0.116 R)
• M6: 2,452,956 km (0.09 R)
• M7: 3,542,627 km (0.105 R)
• M8: 3,994,263 km (0.055 R)
• M9: 4,464,748 km (0.115 R)
• M10: 5,207,053 km (0.105 R)
• M11: 6,005,906 km (0.1 R)
• M12: 6,728,015 km (0.082 R)
• M13: 7,507,120 km (0.103 R)
• M14: 8,741,004 km (0.097 R)
• M15: 10,555,027 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 308

Radius: 9.4

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 3.93 AU - 6.53 AU

Year: 7846 Days

Day: 9.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 45,246,785 km

• M1: 117,434 km (0.069 R)
• M2: 536,458 km (0.086 R)
• M3: 940,522 km (0.093 R)
• M4: 1,308,084 km (0.049 R)
• M5: 1,617,901 km (0.083 R)
• M6: 3,327,505 km (0.063 R)
• M7: 3,891,639 km (0.114 R)
• M8: 4,367,809 km (0.081 R)
• M9: 5,266,593 km (0.048 R)
• M10: 7,715,061 km (0.087 R)
• M11: 9,145,965 km (0.081 R)
• M12: 9,645,921 km (0.115 R)
• M13: 11,636,620 km (0.111 R)
• M14: 12,075,241 km (0.103 R)
• M15: 14,772,491 km (0.094 R)
• M16: 15,229,362 km (0.12 R)
• M17: 16,840,831 km (0.115 R)
• M18: 17,655,989 km (0.076 R)
• M19: 20,050,603 km (0.103 R)
• M20: 21,325,625 km (0.1 R)
• M21: 21,909,356 km (0.063 R)
• M22: 23,261,571 km (0.078 R)
• M23: 23,958,249 km (0.058 R)
• M24: 24,272,255 km (0.107 R)
• M25: 26,884,383 km (0.089 R)
• M26: 28,697,060 km (0.11 R)
• M27: 29,229,629 km (0.107 R)
• M28: 29,678,422 km (0.036 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 668.4

Radius: 10.9

Gravity: 5.63 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 5.36 AU - 5.46 AU

Year: 8255 Days

Day: 10.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 170.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 45,246,785 km

• M1: 135,536 km (0.085 R)
• M2: 629,807 km (0.099 R)
• M3: 1,365,829 km (0.056 R)
• M4: 2,180,090 km (0.055 R)
• M5: 2,784,465 km (0.095 R)
• M6: 5,538,113 km (0.041 R)
• M7: 10,026,049 km (0.11 R)
• M8: 10,513,140 km (0.075 R)
• M9: 12,124,309 km (0.117 R)
• M10: 13,305,534 km (0.118 R)
• M11: 14,134,605 km (0.081 R)
• M12: 14,561,857 km (0.062 R)
• M13: 15,314,334 km (0.114 R)
• M14: 15,700,297 km (0.112 R)
• M15: 19,546,607 km (0.09 R)
• M16: 19,924,641 km (0.098 R)
• M17: 20,462,296 km (0.104 R)
• M18: 21,646,812 km (0.113 R)
• M19: 22,296,964 km (0.076 R)
• M20: 22,709,854 km (0.119 R)
• M21: 24,413,026 km (0.062 R)
• M22: 27,501,025 km (0.118 R)
• M23: 30,031,473 km (0.075 R)
• M24: 31,871,826 km (0.027 R)
• M25: 32,290,700 km (0.096 R)
• M26: 34,331,215 km (0.11 R)
• M27: 36,570,396 km (0.077 R)
• M28: 39,144,078 km (0.119 R)
• M29: 40,352,978 km (0.104 R)
• M30: 41,836,241 km (0.104 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 638.7

Radius: 7.9

Gravity: 10.23 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 5.44 AU - 7.78 AU

Year: 11148 Days

Day: 20 Hours

Environment

Temp: -216 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 45,246,785 km

• M1: 98,286 km (0.106 R)
• M2: 353,949 km (0.093 R)
• M3: 604,675 km (0.078 R)
• M4: 883,375 km (0.11 R)
• M5: 1,729,351 km (0.038 R)
• M6: 2,021,366 km (0.047 R)
• M7: 2,748,113 km (0.094 R)
• M8: 4,037,946 km (0.11 R)
• M9: 4,526,233 km (0.117 R)
• M10: 5,021,253 km (0.061 R)
• M11: 5,690,254 km (0.071 R)
• M12: 7,082,412 km (0.032 R)
• M13: 8,187,791 km (0.106 R)
• M14: 9,502,307 km (0.037 R)
• M15: 10,004,208 km (0.092 R)
• M16: 14,808,992 km (0.06 R)
• M17: 15,415,313 km (0.11 R)
• M18: 15,828,502 km (0.12 R)
• M19: 17,481,858 km (0.083 R)
• M20: 18,311,827 km (0.042 R)
• M21: 18,853,670 km (0.039 R)
• M22: 20,460,351 km (0.098 R)
• M23: 24,035,890 km (0.093 R)
• M24: 28,830,053 km (0.112 R)
• M25: 29,457,616 km (0.099 R)
• M26: 32,620,264 km (0.113 R)
• M27: 38,466,100 km (0.095 R)
• M28: 40,256,189 km (0.11 R)
• M29: 44,973,458 km (0.078 R)
• M30: 45,535,049 km (0.072 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 691.4

Radius: 7.1

Gravity: 13.72 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 6.29 AU - 6.97 AU

Year: 11199 Days

Day: 15.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 45,246,785 km

• M1: 88,412 km (0.108 R)
• M2: 333,753 km (0.063 R)
• M3: 977,323 km (0.087 R)
• M4: 1,390,363 km (0.07 R)
• M5: 2,017,028 km (0.084 R)
• M6: 2,503,371 km (0.098 R)
• M7: 2,884,097 km (0.082 R)
• M8: 4,680,618 km (0.118 R)
• M9: 5,126,719 km (0.051 R)
• M10: 7,882,312 km (0.107 R)
• M11: 9,980,572 km (0.104 R)
• M12: 10,292,932 km (0.114 R)
• M13: 11,551,200 km (0.054 R)
• M14: 11,953,618 km (0.114 R)
• M15: 12,246,830 km (0.092 R)
• M16: 13,467,997 km (0.044 R)
• M17: 14,970,109 km (0.095 R)
• M18: 16,653,385 km (0.09 R)
• M19: 17,919,431 km (0.081 R)
• M20: 19,732,857 km (0.103 R)
• M21: 20,474,563 km (0.118 R)
• M22: 25,901,675 km (0.107 R)
• M23: 31,209,257 km (0.088 R)
• M24: 35,725,916 km (0.072 R)
• M25: 36,334,630 km (0.105 R)
• M26: 37,949,988 km (0.097 R)
• M27: 40,527,709 km (0.059 R)
• M28: 41,994,067 km (0.051 R)
• M29: 44,050,140 km (0.111 R)
• M30: 50,010,867 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 753.8

Radius: 3

Gravity: 83.76 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 5.74 AU - 9.06 AU

Year: 13206 Days

Day: 22.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 45,246,785 km

• M1: 59,540 km (0.027 R)
• M2: 345,571 km (0.075 R)
• M3: 620,682 km (0.086 R)
• M4: 1,222,065 km (0.094 R)
• M5: 1,565,542 km (0.083 R)
• M6: 1,933,552 km (0.069 R)
• M7: 2,043,357 km (0.04 R)
• M8: 2,235,441 km (0.11 R)
• M9: 3,077,079 km (0.113 R)
• M10: 3,176,412 km (0.102 R)
• M11: 3,650,637 km (0.102 R)
• M12: 3,762,087 km (0.067 R)
• M13: 3,991,720 km (0.082 R)
• M14: 5,644,627 km (0.098 R)
• M15: 5,793,776 km (0.12 R)
• M16: 6,497,933 km (0.103 R)
• M17: 6,870,581 km (0.092 R)
• M18: 7,040,674 km (0.109 R)
• M19: 7,658,364 km (0.068 R)
• M20: 7,980,298 km (0.109 R)
• M21: 9,000,406 km (0.12 R)
• M22: 10,049,686 km (0.115 R)
• M23: 10,773,889 km (0.108 R)
• M24: 11,833,042 km (0.047 R)
• M25: 13,089,215 km (0.089 R)
• M26: 16,460,703 km (0.113 R)
• M27: 17,543,342 km (0.103 R)
• M28: 19,170,668 km (0.074 R)
• M29: 20,107,450 km (0.109 R)
• M30: 20,368,049 km (0.103 R)
• M31: 20,896,130 km (0.09 R)
• M32: 21,796,260 km (0.107 R)
• M33: 24,651,784 km (0.114 R)
• M34: 39,779,869 km (0.087 R)
• M35: 40,742,382 km (0.118 R)
• M36: 41,439,358 km (0.111 R)
• M37: 55,551,673 km (0.082 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 174.2

Radius: 5.6

Gravity: 5.55 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 7.7 AU - 10.62 AU

Year: 18187 Days

Day: 23.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 61.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 45,246,785 km

• M1: 69,713 km (0.103 R)
• M2: 655,987 km (0.094 R)
• M3: 1,241,214 km (0.106 R)
• M4: 3,661,557 km (0.086 R)
• M5: 5,003,750 km (0.08 R)
• M6: 5,384,626 km (0.11 R)
• M7: 7,143,897 km (0.062 R)
• M8: 8,217,860 km (0.103 R)
• M9: 9,827,832 km (0.096 R)
• M10: 10,073,921 km (0.058 R)
• M11: 11,582,615 km (0.038 R)
• M12: 13,355,350 km (0.119 R)
• M13: 13,840,645 km (0.064 R)
• M14: 16,102,715 km (0.077 R)
• M15: 19,823,214 km (0.118 R)
• M16: 20,295,345 km (0.088 R)
• M17: 21,180,366 km (0.112 R)
• M18: 21,840,092 km (0.103 R)
• M19: 26,182,470 km (0.065 R)
• M20: 28,306,610 km (0.067 R)
• M21: 39,171,454 km (0.104 R)
• M22: 42,200,662 km (0.089 R)
• M23: 43,639,793 km (0.091 R)
• M24: 45,246,774 km (0.102 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 466 - 20,167 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit