🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644.5

Radius: 10.9

Gravity: 5.42 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.75 AU - 0.93 AU

Year: 522 Days

Day: 8.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 64,480,144 km

• M1: 135,984 km (0.066 R)
• M2: 499,358 km (0.109 R)
• M3: 850,613 km (0.065 R)
• M4: 1,408,913 km (0.091 R)
• M5: 1,749,996 km (0.108 R)
• M6: 2,544,061 km (0.088 R)
• M7: 2,934,213 km (0.102 R)
• M8: 3,315,986 km (0.108 R)
• M9: 3,743,986 km (0.087 R)
• M10: 4,123,965 km (0.067 R)
• M11: 4,574,852 km (0.11 R)
• M12: 5,090,666 km (0.107 R)
• M13: 5,473,038 km (0.098 R)
• M14: 6,018,771 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 594.1

Radius: 11.5

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.88 AU - 1.34 AU

Year: 793 Days

Day: 11.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 64,480,144 km

• M1: 143,614 km (0.076 R)
• M2: 584,030 km (0.077 R)
• M3: 1,568,833 km (0.102 R)
• M4: 2,168,272 km (0.082 R)
• M5: 2,728,516 km (0.094 R)
• M6: 3,175,215 km (0.1 R)
• M7: 4,019,545 km (0.11 R)
• M8: 4,617,338 km (0.076 R)
• M9: 7,345,704 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 698.2

Radius: 8.2

Gravity: 10.38 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.57 AU - 2.33 AU

Year: 1847 Days

Day: 13.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 64,480,144 km

• M1: 102,175 km (0.108 R)
• M2: 362,775 km (0.09 R)
• M3: 723,754 km (0.12 R)
• M4: 1,067,082 km (0.12 R)
• M5: 1,355,058 km (0.11 R)
• M6: 1,908,270 km (0.113 R)
• M7: 2,787,906 km (0.104 R)
• M8: 3,277,839 km (0.111 R)
• M9: 3,629,843 km (0.102 R)
• M10: 4,860,734 km (0.084 R)
• M11: 6,685,230 km (0.109 R)
• M12: 7,197,602 km (0.081 R)
• M13: 7,823,370 km (0.116 R)
• M14: 9,512,779 km (0.077 R)
• M15: 10,231,148 km (0.114 R)
• M16: 12,125,955 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 185.7

Radius: 8.3

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 2.92 AU - 4.68 AU

Year: 5024 Days

Day: 8.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 64,480,144 km

• M1: 103,671 km (0.073 R)
• M2: 376,239 km (0.065 R)
• M3: 1,059,452 km (0.104 R)
• M4: 1,952,402 km (0.063 R)
• M5: 2,941,393 km (0.065 R)
• M6: 3,658,266 km (0.072 R)
• M7: 4,443,356 km (0.114 R)
• M8: 5,434,442 km (0.102 R)
• M9: 6,454,400 km (0.099 R)
• M10: 6,763,918 km (0.12 R)
• M11: 7,291,849 km (0.046 R)
• M12: 9,287,185 km (0.086 R)
• M13: 9,718,775 km (0.105 R)
• M14: 12,638,178 km (0.113 R)
• M15: 13,303,290 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 263.4

Radius: 10.3

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 3.87 AU - 4.01 AU

Year: 5304 Days

Day: 13.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 64,480,144 km

• M1: 128,953 km (0.094 R)
• M2: 670,647 km (0.098 R)
• M3: 2,142,989 km (0.106 R)
• M4: 2,687,227 km (0.061 R)
• M5: 3,509,416 km (0.069 R)
• M6: 4,356,440 km (0.109 R)
• M7: 6,837,371 km (0.115 R)
• M8: 7,175,462 km (0.097 R)
• M9: 7,654,325 km (0.045 R)
• M10: 8,154,430 km (0.098 R)
• M11: 11,713,064 km (0.11 R)
• M12: 12,287,820 km (0.096 R)
• M13: 12,974,175 km (0.095 R)
• M14: 20,222,191 km (0.102 R)
• M15: 21,504,544 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754.1

Radius: 10.4

Gravity: 6.97 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 4.81 AU - 5.31 AU

Year: 7720 Days

Day: 9.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 64,480,144 km

• M1: 129,402 km (0.081 R)
• M2: 461,509 km (0.117 R)
• M3: 1,031,029 km (0.096 R)
• M4: 2,232,599 km (0.102 R)
• M5: 2,826,801 km (0.103 R)
• M6: 3,642,259 km (0.062 R)
• M7: 5,319,551 km (0.087 R)
• M8: 5,967,609 km (0.03 R)
• M9: 6,559,119 km (0.12 R)
• M10: 9,553,918 km (0.118 R)
• M11: 10,760,874 km (0.11 R)
• M12: 11,116,319 km (0.063 R)
• M13: 11,584,859 km (0.117 R)
• M14: 12,012,410 km (0.04 R)
• M15: 13,948,206 km (0.063 R)
• M16: 15,242,976 km (0.11 R)
• M17: 16,818,840 km (0.03 R)
• M18: 18,070,076 km (0.084 R)
• M19: 19,159,298 km (0.049 R)
• M20: 32,672,923 km (0.094 R)
• M21: 36,750,213 km (0.084 R)
• M22: 37,790,965 km (0.075 R)
• M23: 39,448,809 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 606.3

Radius: 4.9

Gravity: 25.25 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 7.02 AU - 7.74 AU

Year: 13598 Days

Day: 22.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 64,480,144 km

• M1: 62,382 km (0.103 R)
• M2: 279,299 km (0.081 R)
• M3: 447,896 km (0.077 R)
• M4: 729,738 km (0.102 R)
• M5: 1,134,999 km (0.036 R)
• M6: 2,398,203 km (0.034 R)
• M7: 2,628,285 km (0.114 R)
• M8: 6,458,589 km (0.098 R)
• M9: 8,556,998 km (0.108 R)
• M10: 9,707,256 km (0.099 R)
• M11: 10,565,798 km (0.059 R)
• M12: 14,103,040 km (0.093 R)
• M13: 14,304,997 km (0.086 R)
• M14: 16,956,021 km (0.116 R)
• M15: 20,599,776 km (0.113 R)
• M16: 23,019,073 km (0.112 R)
• M17: 23,392,769 km (0.111 R)
• M18: 25,621,179 km (0.102 R)
• M19: 27,252,244 km (0.096 R)
• M20: 29,716,121 km (0.104 R)
• M21: 31,515,335 km (0.096 R)
• M22: 31,745,117 km (0.104 R)
• M23: 32,092,034 km (0.096 R)
• M24: 32,324,659 km (0.065 R)
• M25: 35,328,734 km (0.108 R)
• M26: 35,826,147 km (0.097 R)
• M27: 37,862,024 km (0.038 R)
• M28: 39,572,078 km (0.078 R)
• M29: 43,286,892 km (0.067 R)
• M30: 44,719,591 km (0.116 R)
• M31: 47,077,403 km (0.111 R)
• M32: 47,377,795 km (0.118 R)
• M33: 53,494,703 km (0.107 R)
• M34: 55,980,870 km (0.061 R)
• M35: 56,149,317 km (0.09 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 104.6

Radius: 5.3

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 6.43 AU - 9.11 AU

Year: 14690 Days

Day: 16.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 64,480,144 km

• M1: 76,744 km (0.063 R)
• M2: 265,087 km (0.101 R)
• M3: 462,706 km (0.036 R)
• M4: 653,443 km (0.055 R)
• M5: 855,251 km (0.111 R)
• M6: 1,059,751 km (0.084 R)
• M7: 1,387,670 km (0.076 R)
• M8: 2,180,539 km (0.083 R)
• M9: 2,620,356 km (0.04 R)
• M10: 3,261,084 km (0.108 R)
• M11: 3,452,868 km (0.084 R)
• M12: 3,697,311 km (0.098 R)
• M13: 6,249,601 km (0.061 R)
• M14: 10,920,495 km (0.11 R)
• M15: 12,553,505 km (0.058 R)
• M16: 14,570,533 km (0.118 R)
• M17: 14,974,896 km (0.113 R)
• M18: 22,353,512 km (0.059 R)
• M19: 23,437,947 km (0.12 R)
• M20: 26,216,877 km (0.113 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 846.2

Radius: 5.5

Gravity: 27.97 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 7.61 AU - 12.15 AU

Year: 21063 Days

Day: 19.1 Hours

Environment

Temp: -238 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 64,480,144 km

• M1: 140,772 km (0.089 R)
• M2: 520,900 km (0.086 R)
• M3: 754,123 km (0.087 R)
• M4: 1,004,849 km (0.089 R)
• M5: 1,693,747 km (0.081 R)
• M6: 2,417,502 km (0.088 R)
• M7: 2,758,286 km (0.117 R)
• M8: 2,994,052 km (0.118 R)
• M9: 4,107,509 km (0.089 R)
• M10: 4,924,912 km (0.068 R)
• M11: 5,636,399 km (0.079 R)
• M12: 6,550,741 km (0.107 R)
• M13: 8,075,143 km (0.093 R)
• M14: 9,233,031 km (0.11 R)
• M15: 9,701,871 km (0.029 R)
• M16: 12,427,694 km (0.101 R)
• M17: 12,639,973 km (0.102 R)
• M18: 17,060,740 km (0.119 R)
• M19: 22,204,513 km (0.107 R)
• M20: 26,386,222 km (0.12 R)
• M21: 26,737,029 km (0.1 R)
• M22: 33,597,587 km (0.103 R)
• M23: 35,125,580 km (0.087 R)
• M24: 43,791,037 km (0.067 R)
• M25: 44,447,771 km (0.119 R)
• M26: 46,287,376 km (0.098 R)
• M27: 63,701,765 km (0.098 R)
• M28: 66,252,409 km (0.098 R)
• M29: 70,204,934 km (0.037 R)
• M30: 70,429,032 km (0.106 R)
• M31: 72,467,153 km (0.216 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 336.6

Radius: 5.6

Gravity: 10.73 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 7.72 AU - 12.78 AU

Year: 22258 Days

Day: 20.3 Hours

Environment

Temp: -242 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 64,480,144 km

• M1: 69,713 km (0.028 R)
• M2: 683,363 km (0.113 R)
• M3: 905,516 km (0.065 R)
• M4: 1,125,126 km (0.089 R)
• M5: 1,337,405 km (0.078 R)
• M6: 2,160,492 km (0.112 R)
• M7: 3,125,100 km (0.1 R)
• M8: 5,481,864 km (0.107 R)
• M9: 8,364,915 km (0.104 R)
• M10: 8,970,487 km (0.054 R)
• M11: 10,268,398 km (0.107 R)
• M12: 10,786,006 km (0.077 R)
• M13: 14,546,299 km (0.074 R)
• M14: 16,796,699 km (0.116 R)
• M15: 17,758,314 km (0.109 R)
• M16: 18,336,061 km (0.093 R)
• M17: 29,360,676 km (0.076 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 409 - 16,999 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit