🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430.4

Radius: 10.8

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.56 AU - 0.64 AU

Year: 315 Days

Day: 9.2 Hours

Environment

Temp: -159 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 85,873,558 km

• M1: 134,339 km (0.066 R)
• M2: 535,261 km (0.103 R)
• M3: 872,006 km (0.116 R)
• M4: 1,283,849 km (0.1 R)
• M5: 1,638,097 km (0.113 R)
• M6: 2,155,556 km (0.08 R)
• M7: 2,576,375 km (0.11 R)
• M8: 3,090,842 km (0.106 R)
• M9: 3,921,110 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 525.5

Radius: 11.9

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.65 AU - 0.77 AU

Year: 406 Days

Day: 7.3 Hours

Environment

Temp: -156 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 85,873,558 km

• M1: 147,952 km (0.1 R)
• M2: 548,127 km (0.115 R)
• M3: 958,324 km (0.056 R)
• M4: 1,634,955 km (0.092 R)
• M5: 2,288,548 km (0.1 R)
• M6: 2,667,480 km (0.105 R)
• M7: 3,554,745 km (0.086 R)
• M8: 3,966,139 km (0.111 R)
• M9: 4,355,392 km (0.096 R)
• M10: 4,856,396 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 610.6

Radius: 14.6

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.7 AU - 0.96 AU

Year: 513 Days

Day: 9.8 Hours

Environment

Temp: -168 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 85,873,558 km

• M1: 182,061 km (0.119 R)
• M2: 673,490 km (0.051 R)
• M3: 1,134,251 km (0.108 R)
• M4: 1,634,656 km (0.116 R)
• M5: 3,313,443 km (0.103 R)
• M6: 4,088,959 km (0.105 R)
• M7: 4,721,458 km (0.113 R)
• M8: 5,303,394 km (0.087 R)
• M9: 5,810,232 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 374.1

Radius: 15

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.76 AU - 2.78 AU

Year: 2320 Days

Day: 11.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 85,873,558 km

• M1: 191,336 km (0.074 R)
• M2: 755,469 km (0.029 R)
• M3: 1,284,148 km (0.091 R)
• M4: 2,146,879 km (0.082 R)
• M5: 3,263,029 km (0.116 R)
• M6: 4,598,938 km (0.094 R)
• M7: 7,332,988 km (0.094 R)
• M8: 8,720,060 km (0.094 R)
• M9: 9,837,257 km (0.047 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 410.8

Radius: 11.1

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 2.03 AU - 3.17 AU

Year: 2843 Days

Day: 5.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 85,873,558 km

• M1: 138,528 km (0.044 R)
• M2: 531,072 km (0.08 R)
• M3: 953,836 km (0.117 R)
• M4: 1,395,449 km (0.094 R)
• M5: 2,228,559 km (0.089 R)
• M6: 2,734,350 km (0.095 R)
• M7: 3,183,443 km (0.039 R)
• M8: 4,310,962 km (0.082 R)
• M9: 6,556,725 km (0.115 R)
• M10: 6,995,496 km (0.115 R)
• M11: 8,558,494 km (0.115 R)
• M12: 9,387,865 km (0.113 R)
• M13: 10,017,522 km (0.102 R)
• M14: 10,976,594 km (0.048 R)
• M15: 12,280,639 km (0.117 R)
• M16: 12,821,734 km (0.115 R)
• M17: 13,378,687 km (0.105 R)
• M18: 14,495,136 km (0.066 R)
• M19: 16,062,623 km (0.086 R)
• M20: 16,811,360 km (0.071 R)
• M21: 17,478,866 km (0.116 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 849.5

Radius: 3.2

Gravity: 82.96 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 5.35 AU - 6.15 AU

Year: 9352 Days

Day: 22.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 85,873,558 km

• M1: 39,793 km (0.068 R)
• M2: 209,287 km (0.068 R)
• M3: 416,032 km (0.094 R)
• M4: 1,477,578 km (0.094 R)
• M5: 2,676,456 km (0.085 R)
• M6: 3,095,629 km (0.043 R)
• M7: 3,236,550 km (0.074 R)
• M8: 3,481,142 km (0.052 R)
• M9: 3,844,067 km (0.078 R)
• M10: 4,464,300 km (0.047 R)
• M11: 4,798,352 km (0.11 R)
• M12: 5,447,906 km (0.114 R)
• M13: 6,044,352 km (0.088 R)
• M14: 6,302,109 km (0.1 R)
• M15: 6,452,755 km (0.112 R)
• M16: 7,617,374 km (0.029 R)
• M17: 10,405,130 km (0.107 R)
• M18: 11,154,167 km (0.068 R)
• M19: 16,487,780 km (0.025 R)
• M20: 19,578,621 km (0.115 R)
• M21: 21,301,690 km (0.083 R)
• M22: 27,771,498 km (0.097 R)
• M23: 34,846,879 km (0.094 R)
• M24: 38,357,492 km (0.118 R)
• M25: 38,859,393 km (0.104 R)
• M26: 40,521,126 km (0.095 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 757.6

Radius: 3.2

Gravity: 73.98 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 5.76 AU - 6.18 AU

Year: 9894 Days

Day: 19.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 85,873,558 km

• M1: 39,943 km (0.049 R)
• M2: 155,432 km (0.079 R)
• M3: 326,572 km (0.056 R)
• M4: 451,187 km (0.079 R)
• M5: 1,239,119 km (0.087 R)
• M6: 1,989,801 km (0.038 R)
• M7: 2,674,810 km (0.062 R)
• M8: 3,258,541 km (0.053 R)
• M9: 4,461,607 km (0.098 R)
• M10: 4,826,476 km (0.09 R)
• M11: 5,444,465 km (0.113 R)
• M12: 6,448,865 km (0.117 R)
• M13: 8,356,387 km (0.108 R)
• M14: 8,768,978 km (0.082 R)
• M15: 9,004,146 km (0.058 R)
• M16: 14,307,092 km (0.113 R)
• M17: 17,864,978 km (0.055 R)
• M18: 18,242,712 km (0.038 R)
• M19: 18,471,747 km (0.051 R)
• M20: 19,249,506 km (0.109 R)
• M21: 22,229,645 km (0.111 R)
• M22: 27,956,102 km (0.03 R)
• M23: 32,423,394 km (0.102 R)
• M24: 38,333,856 km (0.119 R)
• M25: 39,723,919 km (0.12 R)
• M26: 41,937,669 km (0.045 R)
• M27: 43,821,405 km (0.026 R)
• M28: 47,901,537 km (0.096 R)
• M29: 48,337,466 km (0.098 R)
• M30: 49,217,400 km (0.055 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 718.9

Radius: 6.1

Gravity: 19.32 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 8.12 AU - 13.08 AU

Year: 23407 Days

Day: 20.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 85,873,558 km

• M1: 75,846 km (0.081 R)
• M2: 520,152 km (0.096 R)
• M3: 881,879 km (0.057 R)
• M4: 1,879,697 km (0.09 R)
• M5: 2,486,317 km (0.028 R)
• M6: 3,075,882 km (0.084 R)
• M7: 3,786,023 km (0.051 R)
• M8: 4,858,490 km (0.038 R)
• M9: 5,525,846 km (0.039 R)
• M10: 7,334,784 km (0.116 R)
• M11: 8,983,651 km (0.11 R)
• M12: 10,231,746 km (0.111 R)
• M13: 10,482,024 km (0.117 R)
• M14: 13,287,881 km (0.082 R)
• M15: 13,736,525 km (0.099 R)
• M16: 14,902,491 km (0.06 R)
• M17: 15,964,935 km (0.08 R)
• M18: 16,386,801 km (0.086 R)
• M19: 19,550,347 km (0.09 R)
• M20: 20,622,964 km (0.104 R)
• M21: 22,044,144 km (0.086 R)
• M22: 22,356,953 km (0.105 R)
• M23: 28,138,761 km (0.075 R)
• M24: 30,267,688 km (0.085 R)
• M25: 32,501,633 km (0.1 R)
• M26: 54,268,124 km (0.117 R)
• M27: 57,553,592 km (0.11 R)
• M28: 65,802,119 km (0.094 R)
• M29: 74,335,780 km (0.06 R)
• M30: 81,571,829 km (0.095 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 516 - 13,857 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit