🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 424.2

Radius: 10.5

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.05 AU - 1.27 AU

Year: 878 Days

Day: 7.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 88,757,168 km

• M1: 130,599 km (0.112 R)
• M2: 549,323 km (0.056 R)
• M3: 955,033 km (0.094 R)
• M4: 1,648,269 km (0.099 R)
• M5: 2,163,933 km (0.11 R)
• M6: 3,045,663 km (0.107 R)
• M7: 4,105,863 km (0.088 R)
• M8: 5,252,680 km (0.037 R)
• M9: 5,843,143 km (0.107 R)
• M10: 7,559,480 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 818.9

Radius: 9.2

Gravity: 9.68 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.24 AU - 1.4 AU

Year: 1066 Days

Day: 5.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 88,757,168 km

• M1: 114,442 km (0.082 R)
• M2: 455,077 km (0.035 R)
• M3: 1,002,156 km (0.049 R)
• M4: 1,382,434 km (0.105 R)
• M5: 2,233,496 km (0.079 R)
• M6: 2,986,273 km (0.108 R)
• M7: 3,998,153 km (0.055 R)
• M8: 4,740,009 km (0.06 R)
• M9: 5,591,819 km (0.067 R)
• M10: 6,109,577 km (0.078 R)
• M11: 7,092,734 km (0.081 R)
• M12: 8,788,426 km (0.097 R)
• M13: 9,105,125 km (0.067 R)
• M14: 10,321,206 km (0.052 R)
• M15: 10,935,455 km (0.112 R)
• M16: 11,403,397 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 464.2

Radius: 13.9

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.7 AU - 1.72 AU

Year: 1572 Days

Day: 12.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 88,757,168 km

• M1: 173,384 km (0.105 R)
• M2: 695,630 km (0.047 R)
• M3: 1,435,990 km (0.119 R)
• M4: 1,922,183 km (0.116 R)
• M5: 2,483,175 km (0.119 R)
• M6: 3,312,396 km (0.092 R)
• M7: 3,808,911 km (0.083 R)
• M8: 4,355,243 km (0.119 R)
• M9: 5,111,610 km (0.047 R)
• M10: 5,887,873 km (0.086 R)
• M11: 6,863,102 km (0.048 R)
• M12: 8,666,803 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 819.4

Radius: 13.6

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.66 AU - 2.5 AU

Year: 2109 Days

Day: 5.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 88,757,168 km

• M1: 170,990 km (0.07 R)
• M2: 656,136 km (0.06 R)
• M3: 1,294,919 km (0.091 R)
• M4: 1,721,572 km (0.065 R)
• M5: 2,812,590 km (0.119 R)
• M6: 3,493,559 km (0.073 R)
• M7: 4,741,355 km (0.119 R)
• M8: 7,642,506 km (0.066 R)
• M9: 9,277,761 km (0.117 R)
• M10: 9,835,910 km (0.045 R)
• M11: 10,416,500 km (0.043 R)
• M12: 11,527,264 km (0.098 R)
• M13: 12,214,217 km (0.1 R)
• M14: 12,800,342 km (0.077 R)
• M15: 13,273,969 km (0.088 R)
• M16: 14,765,459 km (0.057 R)
• M17: 15,191,065 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142.5

Radius: 10.7

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 5.21 AU - 5.45 AU

Year: 8650 Days

Day: 5 Hours

Environment

Temp: -226 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 88,757,168 km

• M1: 133,142 km (0.112 R)
• M2: 558,449 km (0.031 R)
• M3: 1,678,189 km (0.112 R)
• M4: 2,116,062 km (0.076 R)
• M5: 3,339,324 km (0.036 R)
• M6: 6,187,368 km (0.04 R)
• M7: 6,669,821 km (0.059 R)
• M8: 8,486,388 km (0.111 R)
• M9: 9,082,835 km (0.085 R)
• M10: 13,070,067 km (0.1 R)
• M11: 14,641,144 km (0.068 R)
• M12: 15,830,147 km (0.102 R)
• M13: 16,221,496 km (0.094 R)
• M14: 17,375,793 km (0.106 R)
• M15: 17,973,137 km (0.032 R)
• M16: 25,553,261 km (0.051 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 373.9

Radius: 5.6

Gravity: 11.92 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 4.92 AU - 6.18 AU

Year: 9191 Days

Day: 20.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 88,757,168 km

• M1: 70,610 km (0.109 R)
• M2: 383,419 km (0.103 R)
• M3: 574,157 km (0.109 R)
• M4: 765,343 km (0.092 R)
• M5: 2,195,349 km (0.114 R)
• M6: 2,807,952 km (0.046 R)
• M7: 3,956,116 km (0.052 R)
• M8: 4,829,618 km (0.119 R)
• M9: 5,448,504 km (0.057 R)
• M10: 5,697,734 km (0.092 R)
• M11: 7,206,728 km (0.068 R)
• M12: 7,507,120 km (0.09 R)
• M13: 7,737,950 km (0.08 R)
• M14: 9,136,540 km (0.118 R)
• M15: 9,623,033 km (0.109 R)
• M16: 10,551,287 km (0.069 R)
• M17: 11,691,223 km (0.112 R)
• M18: 16,230,322 km (0.09 R)
• M19: 19,064,453 km (0.059 R)
• M20: 21,976,226 km (0.112 R)
• M21: 23,825,406 km (0.091 R)
• M22: 25,000,347 km (0.101 R)
• M23: 25,343,076 km (0.089 R)
• M24: 25,950,294 km (0.055 R)
• M25: 26,213,436 km (0.064 R)
• M26: 29,227,235 km (0.088 R)
• M27: 30,087,573 km (0.107 R)
• M28: 30,670,406 km (0.054 R)
• M29: 31,459,235 km (0.065 R)
• M30: 32,362,807 km (0.108 R)
• M31: 32,872,038 km (0.102 R)
• M32: 34,537,960 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 431.7

Radius: 4.8

Gravity: 18.74 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 7.12 AU - 7.46 AU

Year: 13836 Days

Day: 16 Hours

Environment

Temp: -223 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 88,757,168 km

• M1: 59,839 km (0.099 R)
• M2: 249,529 km (0.112 R)
• M3: 498,759 km (0.094 R)
• M4: 827,725 km (0.116 R)
• M5: 1,166,564 km (0.047 R)
• M6: 1,395,000 km (0.118 R)
• M7: 1,793,230 km (0.08 R)
• M8: 3,321,522 km (0.107 R)
• M9: 5,118,342 km (0.102 R)
• M10: 5,982,718 km (0.088 R)
• M11: 6,166,723 km (0.117 R)
• M12: 8,493,120 km (0.073 R)
• M13: 9,399,384 km (0.046 R)
• M14: 12,031,110 km (0.098 R)
• M15: 12,743,195 km (0.051 R)
• M16: 12,925,555 km (0.064 R)
• M17: 15,595,428 km (0.103 R)
• M18: 15,874,129 km (0.113 R)
• M19: 16,657,573 km (0.065 R)
• M20: 17,169,348 km (0.038 R)
• M21: 17,842,688 km (0.087 R)
• M22: 20,629,098 km (0.102 R)
• M23: 29,731,829 km (0.086 R)
• M24: 31,581,307 km (0.037 R)
• M25: 36,354,377 km (0.032 R)
• M26: 39,747,107 km (0.067 R)
• M27: 41,187,735 km (0.036 R)
• M28: 43,757,527 km (0.039 R)
• M29: 45,434,369 km (0.117 R)
• M30: 46,002,841 km (0.07 R)
• M31: 47,590,224 km (0.077 R)
• M32: 48,915,811 km (0.102 R)
• M33: 50,569,316 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 276.8

Radius: 7.1

Gravity: 5.49 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 7.77 AU - 8.31 AU

Year: 16025 Days

Day: 23.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 88,757,168 km

• M1: 88,263 km (0.054 R)
• M2: 370,853 km (0.089 R)
• M3: 708,944 km (0.113 R)
• M4: 1,186,162 km (0.047 R)
• M5: 1,409,212 km (0.051 R)
• M6: 1,893,161 km (0.113 R)
• M7: 2,237,087 km (0.097 R)
• M8: 2,541,817 km (0.043 R)
• M9: 3,330,049 km (0.086 R)
• M10: 6,289,693 km (0.119 R)
• M11: 6,704,677 km (0.102 R)
• M12: 8,279,943 km (0.088 R)
• M13: 9,441,870 km (0.112 R)
• M14: 10,291,735 km (0.086 R)
• M15: 11,191,566 km (0.057 R)
• M16: 12,374,137 km (0.098 R)
• M17: 12,608,557 km (0.106 R)
• M18: 13,637,940 km (0.078 R)
• M19: 16,139,815 km (0.09 R)
• M20: 17,719,868 km (0.116 R)
• M21: 18,623,888 km (0.11 R)
• M22: 20,852,298 km (0.08 R)
• M23: 27,188,815 km (0.093 R)
• M24: 31,438,741 km (0.097 R)
• M25: 33,323,823 km (0.084 R)
• M26: 36,111,430 km (0.092 R)
• M27: 41,096,330 km (0.092 R)
• M28: 41,487,678 km (0.104 R)
• M29: 42,145,610 km (0.06 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 796.2

Radius: 7.1

Gravity: 15.79 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 10 AU - 10.68 AU

Year: 23372 Days

Day: 17.8 Hours

Environment

Temp: -244 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 88,757,168 km

• M1: 90,656 km (0.075 R)
• M2: 353,051 km (0.086 R)
• M3: 1,524,253 km (0.074 R)
• M4: 3,274,847 km (0.09 R)
• M5: 3,729,325 km (0.111 R)
• M6: 7,286,613 km (0.115 R)
• M7: 7,693,071 km (0.119 R)
• M8: 13,289,078 km (0.071 R)
• M9: 13,514,522 km (0.093 R)
• M10: 20,713,471 km (0.093 R)
• M11: 22,684,722 km (0.111 R)
• M12: 23,115,115 km (0.103 R)
• M13: 27,601,256 km (0.058 R)
• M14: 43,639,644 km (0.089 R)
• M15: 50,422,411 km (0.057 R)
• M16: 52,830,638 km (0.103 R)
• M17: 53,207,774 km (0.048 R)
• M18: 53,967,581 km (0.094 R)
• M19: 55,120,682 km (0.089 R)
• M20: 58,880,675 km (0.079 R)
• M21: 59,897,791 km (0.098 R)
• M22: 64,727,857 km (0.106 R)
• M23: 81,264,555 km (0.099 R)
• M24: 83,032,802 km (0.109 R)
• M25: 84,311,565 km (0.056 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 494 - 17,967 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit