🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 852.5

Radius: 11.7

Gravity: 6.23 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.73 AU - 0.89 AU

Year: 486 Days

Day: 14.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 40,199,202 km

• M1: 146,157 km (0.063 R)
• M2: 520,152 km (0.11 R)
• M3: 921,972 km (0.077 R)
• M4: 1,294,620 km (0.059 R)
• M5: 1,747,602 km (0.053 R)
• M6: 2,167,224 km (0.082 R)
• M7: 2,551,392 km (0.116 R)
• M8: 3,143,201 km (0.091 R)
• M9: 3,535,895 km (0.103 R)
• M10: 3,947,589 km (0.113 R)
• M11: 4,556,751 km (0.06 R)
• M12: 5,128,065 km (0.058 R)
• M13: 5,569,978 km (0.026 R)
• M14: 6,589,188 km (0.065 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 534.1

Radius: 11.2

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.16 AU - 1.56 AU

Year: 1058 Days

Day: 10.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 40,199,202 km

• M1: 139,425 km (0.103 R)
• M2: 589,416 km (0.111 R)
• M3: 973,583 km (0.099 R)
• M4: 1,475,783 km (0.081 R)
• M5: 2,126,983 km (0.102 R)
• M6: 2,725,224 km (0.059 R)
• M7: 3,461,545 km (0.11 R)
• M8: 4,033,308 km (0.066 R)
• M9: 4,477,165 km (0.028 R)
• M10: 5,138,388 km (0.093 R)
• M11: 5,822,798 km (0.118 R)
• M12: 6,500,775 km (0.119 R)
• M13: 8,400,519 km (0.057 R)
• M14: 8,853,501 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 899.8

Radius: 8.4

Gravity: 12.75 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.33 AU - 2.13 AU

Year: 1517 Days

Day: 10 Hours

Environment

Temp: -193 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 40,199,202 km

• M1: 104,868 km (0.116 R)
• M2: 386,710 km (0.031 R)
• M3: 661,971 km (0.114 R)
• M4: 1,075,160 km (0.103 R)
• M5: 1,473,988 km (0.102 R)
• M6: 2,071,631 km (0.1 R)
• M7: 2,694,856 km (0.046 R)
• M8: 3,865,908 km (0.038 R)
• M9: 4,252,768 km (0.04 R)
• M10: 4,976,224 km (0.097 R)
• M11: 5,412,152 km (0.104 R)
• M12: 5,779,265 km (0.084 R)
• M13: 6,065,296 km (0.113 R)
• M14: 6,874,770 km (0.099 R)
• M15: 8,251,220 km (0.088 R)
• M16: 10,005,255 km (0.052 R)
• M17: 10,279,618 km (0.032 R)
• M18: 10,629,677 km (0.114 R)
• M19: 11,727,725 km (0.113 R)
• M20: 14,624,987 km (0.038 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 730.2

Radius: 9.6

Gravity: 7.92 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.89 AU - 2.57 AU

Year: 2221 Days

Day: 14.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 40,199,202 km

• M1: 119,977 km (0.113 R)
• M2: 545,434 km (0.037 R)
• M3: 884,123 km (0.075 R)
• M4: 1,260,960 km (0.109 R)
• M5: 1,587,533 km (0.1 R)
• M6: 2,230,654 km (0.117 R)
• M7: 2,656,409 km (0.082 R)
• M8: 3,006,768 km (0.108 R)
• M9: 3,617,576 km (0.052 R)
• M10: 4,128,303 km (0.116 R)
• M11: 6,081,303 km (0.09 R)
• M12: 9,882,136 km (0.048 R)
• M13: 10,466,316 km (0.046 R)
• M14: 11,663,548 km (0.086 R)
• M15: 12,027,519 km (0.115 R)
• M16: 12,566,820 km (0.061 R)
• M17: 13,516,317 km (0.115 R)
• M18: 15,606,050 km (0.066 R)
• M19: 17,636,841 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 513.4

Radius: 11.3

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 2.05 AU - 2.75 AU

Year: 2479 Days

Day: 8.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 40,199,202 km

• M1: 140,772 km (0.058 R)
• M2: 624,122 km (0.111 R)
• M3: 1,159,383 km (0.058 R)
• M4: 1,642,435 km (0.111 R)
• M5: 2,195,199 km (0.083 R)
• M6: 2,663,590 km (0.111 R)
• M7: 3,330,198 km (0.106 R)
• M8: 3,933,377 km (0.078 R)
• M9: 4,321,434 km (0.114 R)
• M10: 4,908,007 km (0.1 R)
• M11: 5,886,676 km (0.086 R)
• M12: 6,501,972 km (0.118 R)
• M13: 6,880,305 km (0.103 R)
• M14: 8,384,961 km (0.11 R)
• M15: 8,998,312 km (0.067 R)
• M16: 9,434,839 km (0.098 R)
• M17: 10,134,358 km (0.12 R)
• M18: 10,793,038 km (0.11 R)
• M19: 11,171,221 km (0.078 R)
• M20: 13,805,191 km (0.09 R)
• M21: 14,614,964 km (0.099 R)
• M22: 15,503,875 km (0.1 R)
• M23: 15,937,260 km (0.073 R)
• M24: 16,329,356 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 443

Radius: 14.1

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 4.99 AU - 5.49 AU

Year: 7999 Days

Day: 7.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 40,199,202 km

• M1: 175,329 km (0.114 R)
• M2: 737,368 km (0.1 R)
• M3: 1,351,018 km (0.116 R)
• M4: 2,382,496 km (0.027 R)
• M5: 3,101,014 km (0.092 R)
• M6: 4,565,129 km (0.064 R)
• M7: 5,115,499 km (0.086 R)
• M8: 5,617,998 km (0.099 R)
• M9: 6,153,559 km (0.119 R)
• M10: 7,110,237 km (0.06 R)
• M11: 7,662,253 km (0.118 R)
• M12: 8,203,349 km (0.065 R)
• M13: 8,936,378 km (0.069 R)
• M14: 9,492,733 km (0.114 R)
• M15: 11,750,314 km (0.116 R)
• M16: 13,386,466 km (0.06 R)
• M17: 14,403,732 km (0.058 R)
• M18: 19,844,307 km (0.045 R)
• M19: 20,793,506 km (0.089 R)
• M20: 21,544,038 km (0.119 R)
• M21: 24,479,448 km (0.119 R)
• M22: 25,316,448 km (0.094 R)
• M23: 25,999,811 km (0.106 R)
• M24: 26,959,331 km (0.117 R)
• M25: 30,841,695 km (0.086 R)
• M26: 32,115,222 km (0.037 R)
• M27: 33,627,956 km (0.089 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 965.5

Radius: 5.6

Gravity: 30.79 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 6.7 AU - 7.22 AU

Year: 12245 Days

Day: 22.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 40,199,202 km

• M1: 69,713 km (0.076 R)
• M2: 345,571 km (0.086 R)
• M3: 539,450 km (0.067 R)
• M4: 817,253 km (0.114 R)
• M5: 3,630,740 km (0.046 R)
• M6: 4,304,230 km (0.116 R)
• M7: 5,197,030 km (0.113 R)
• M8: 5,781,210 km (0.119 R)
• M9: 8,609,357 km (0.106 R)
• M10: 10,347,685 km (0.03 R)
• M11: 13,011,873 km (0.118 R)
• M12: 14,291,683 km (0.109 R)
• M13: 18,631,667 km (0.119 R)
• M14: 19,388,632 km (0.107 R)
• M15: 21,234,371 km (0.1 R)
• M16: 22,622,190 km (0.069 R)
• M17: 26,093,908 km (0.094 R)
• M18: 27,684,582 km (0.093 R)
• M19: 27,901,499 km (0.064 R)
• M20: 28,228,819 km (0.053 R)
• M21: 29,338,835 km (0.074 R)
• M22: 34,821,148 km (0.094 R)
• M23: 36,485,873 km (0.112 R)
• M24: 40,250,354 km (0.096 R)
• M25: 43,823,051 km (0.115 R)
• M26: 50,452,779 km (0.109 R)
• M27: 60,776,229 km (0.11 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 849.6

Radius: 6.8

Gravity: 18.37 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 8.98 AU - 9.86 AU

Year: 19280 Days

Day: 15.1 Hours

Environment

Temp: -242 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 40,199,202 km

• M1: 87,365 km (0.114 R)
• M2: 348,114 km (0.079 R)
• M3: 631,153 km (0.076 R)
• M4: 1,242,261 km (0.108 R)
• M5: 1,815,370 km (0.071 R)
• M6: 2,896,664 km (0.1 R)
• M7: 3,244,479 km (0.118 R)
• M8: 5,378,492 km (0.104 R)
• M9: 8,201,105 km (0.081 R)
• M10: 10,906,582 km (0.039 R)
• M11: 13,930,404 km (0.086 R)
• M12: 14,458,036 km (0.082 R)
• M13: 24,702,947 km (0.112 R)
• M14: 25,253,168 km (0.11 R)
• M15: 27,185,523 km (0.101 R)
• M16: 38,048,573 km (0.114 R)
• M17: 38,782,350 km (0.085 R)
• M18: 49,545,768 km (0.079 R)
• M19: 53,107,095 km (0.077 R)
• M20: 64,600,400 km (0.047 R)
• M21: 70,151,677 km (0.114 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 114.9

Radius: 5.8

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 9.64 AU - 9.68 AU

Year: 20021 Days

Day: 16.2 Hours

Environment

Temp: -239 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 40,199,202 km

• M1: 73,004 km (0.09 R)
• M2: 800,498 km (0.106 R)
• M3: 1,094,458 km (0.097 R)
• M4: 1,333,067 km (0.034 R)
• M5: 1,690,905 km (0.055 R)
• M6: 1,884,933 km (0.082 R)
• M7: 2,354,222 km (0.069 R)
• M8: 4,341,629 km (0.114 R)
• M9: 8,000,045 km (0.091 R)
• M10: 9,081,788 km (0.051 R)
• M11: 10,111,320 km (0.111 R)
• M12: 25,096,539 km (0.108 R)
• M13: 32,080,665 km (0.091 R)
• M14: 34,779,710 km (0.094 R)
• M15: 35,674,305 km (0.069 R)
• M16: 37,044,921 km (0.081 R)
• M17: 38,331,911 km (0.103 R)
• M18: 39,648,372 km (0.116 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 94.5

Radius: 4.8

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 9.3 AU - 10.44 AU

Year: 20678 Days

Day: 15.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 152 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 40,199,202 km

• M1: 99,782 km (0.094 R)
• M2: 504,893 km (0.098 R)
• M3: 998,715 km (0.115 R)
• M4: 1,255,425 km (0.09 R)
• M5: 1,855,462 km (0.056 R)
• M6: 2,846,399 km (0.076 R)
• M7: 3,386,597 km (0.101 R)
• M8: 3,992,318 km (0.036 R)
• M9: 5,801,854 km (0.032 R)
• M10: 6,035,526 km (0.072 R)
• M11: 6,415,355 km (0.08 R)
• M12: 8,948,346 km (0.071 R)
• M13: 9,812,424 km (0.098 R)
• M14: 11,339,369 km (0.119 R)
• M15: 11,704,837 km (0.095 R)
• M16: 13,945,962 km (0.063 R)
• M17: 17,334,504 km (0.099 R)
• M18: 17,679,925 km (0.053 R)
• M19: 21,788,930 km (0.052 R)
• M20: 22,516,724 km (0.117 R)
• M21: 24,020,930 km (0.027 R)
• M22: 29,811,864 km (0.032 R)
• M23: 31,417,946 km (0.117 R)
• M24: 33,080,727 km (0.094 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 171 - 13,395 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit