🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.47

Radius: 0.74

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.54 AU - 0.58 AU

Year: 156 Days

Day: 25.3 Hours

Environment

Temp: 164 °C

Axial Tilt: 16.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Asteroid Belt

Center: 3.24 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 5.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 188.4

Radius: 8.7

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 5.64 AU - 6.18 AU

Year: 5356 Days

Day: 10.4 Hours

Environment

Temp: -158 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 62,373,172 km

• M1: 111,301 km (0.076 R)
• M2: 723,306 km (0.102 R)
• M3: 1,368,521 km (0.048 R)
• M4: 1,644,978 km (0.074 R)
• M5: 2,124,739 km (0.072 R)
• M6: 3,492,063 km (0.091 R)
• M7: 3,875,482 km (0.03 R)
• M8: 5,149,009 km (0.038 R)
• M9: 5,750,243 km (0.106 R)
• M10: 6,623,895 km (0.068 R)
• M11: 7,965,937 km (0.11 R)
• M12: 9,049,923 km (0.105 R)
• M13: 9,627,371 km (0.093 R)
• M14: 10,422,334 km (0.109 R)
• M15: 12,980,009 km (0.073 R)
• M16: 13,808,183 km (0.089 R)
• M17: 14,524,906 km (0.103 R)
• M18: 14,867,784 km (0.107 R)
• M19: 16,346,111 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 7.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 263.5

Radius: 9

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 7.21 AU - 8.35 AU

Year: 8090 Days

Day: 12 Hours

Environment

Temp: -175 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 62,373,172 km

• M1: 111,899 km (0.11 R)
• M2: 909,854 km (0.107 R)
• M3: 1,215,333 km (0.079 R)
• M4: 1,701,975 km (0.083 R)
• M5: 2,443,083 km (0.109 R)
• M6: 3,467,529 km (0.114 R)
• M7: 3,995,310 km (0.091 R)
• M8: 4,993,128 km (0.101 R)
• M9: 5,579,402 km (0.051 R)
• M10: 6,210,855 km (0.099 R)
• M11: 8,240,898 km (0.049 R)
• M12: 8,859,934 km (0.091 R)
• M13: 9,140,430 km (0.115 R)
• M14: 11,273,097 km (0.117 R)
• M15: 13,348,618 km (0.11 R)
• M16: 14,476,436 km (0.107 R)
• M17: 15,550,549 km (0.075 R)
• M18: 20,381,663 km (0.12 R)
• M19: 22,759,820 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 786.9

Radius: 13.2

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 7.69 AU - 9.17 AU

Year: 9124 Days

Day: 11.5 Hours

Environment

Temp: -165 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 62,373,172 km

• M1: 164,558 km (0.114 R)
• M2: 606,320 km (0.119 R)
• M3: 1,300,155 km (0.051 R)
• M4: 2,396,707 km (0.092 R)
• M5: 5,112,806 km (0.083 R)
• M6: 5,566,387 km (0.079 R)
• M7: 6,480,580 km (0.102 R)
• M8: 7,951,276 km (0.111 R)
• M9: 10,228,006 km (0.078 R)
• M10: 13,941,474 km (0.091 R)
• M11: 19,859,566 km (0.099 R)
• M12: 21,068,467 km (0.092 R)
• M13: 24,079,124 km (0.066 R)
• M14: 25,359,981 km (0.118 R)
• M15: 26,685,867 km (0.046 R)
• M16: 27,463,925 km (0.08 R)
• M17: 35,862,350 km (0.12 R)
• M18: 39,879,352 km (0.068 R)
• M19: 46,802,891 km (0.056 R)

Planet 5 - Ice Giant

Semi-Major Axis: 13.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 728.7

Radius: 3.7

Gravity: 53.23 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 11.25 AU - 15.13 AU

Year: 17858 Days

Day: 17 Hours

Environment

Temp: -179 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 62,373,172 km

• M1: 48,021 km (0.077 R)
• M2: 186,549 km (0.118 R)
• M3: 363,523 km (0.11 R)
• M4: 524,341 km (0.068 R)
• M5: 675,285 km (0.108 R)
• M6: 1,325,736 km (0.107 R)
• M7: 1,765,404 km (0.111 R)
• M8: 1,893,759 km (0.105 R)
• M9: 2,088,237 km (0.076 R)
• M10: 2,274,336 km (0.09 R)
• M11: 3,460,348 km (0.098 R)
• M12: 3,872,042 km (0.069 R)
• M13: 4,282,837 km (0.062 R)
• M14: 4,862,978 km (0.117 R)
• M15: 6,870,731 km (0.065 R)
• M16: 8,828,818 km (0.062 R)
• M17: 9,151,500 km (0.09 R)
• M18: 10,401,839 km (0.064 R)
• M19: 11,191,866 km (0.116 R)
• M20: 11,442,741 km (0.072 R)
• M21: 15,207,521 km (0.11 R)
• M22: 17,872,607 km (0.056 R)
• M23: 18,388,421 km (0.105 R)
• M24: 25,052,707 km (0.094 R)
• M25: 28,392,629 km (0.076 R)
• M26: 30,776,920 km (0.066 R)
• M27: 31,641,894 km (0.084 R)
• M28: 34,598,098 km (0.091 R)
• M29: 36,484,826 km (0.072 R)
• M30: 38,581,291 km (0.076 R)
• M31: 45,349,547 km (0.095 R)
• M32: 53,219,443 km (0.113 R)
• M33: 66,963,448 km (0.12 R)
• M34: 70,308,755 km (0.097 R)
• M35: 71,376,585 km (0.095 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 462.7

Radius: 6.9

Gravity: 9.72 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 12.11 AU - 14.47 AU

Year: 18061 Days

Day: 20.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 112.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 62,373,172 km

• M1: 100,679 km (0.082 R)
• M2: 449,093 km (0.094 R)
• M3: 904,469 km (0.082 R)
• M4: 1,717,683 km (0.037 R)
• M5: 1,977,534 km (0.114 R)
• M6: 2,665,834 km (0.056 R)
• M7: 2,967,723 km (0.108 R)
• M8: 3,752,214 km (0.107 R)
• M9: 4,132,342 km (0.102 R)
• M10: 5,038,157 km (0.072 R)
• M11: 6,429,567 km (0.065 R)
• M12: 8,251,519 km (0.104 R)
• M13: 10,003,161 km (0.083 R)
• M14: 15,365,796 km (0.113 R)
• M15: 16,955,722 km (0.106 R)
• M16: 25,121,970 km (0.074 R)
• M17: 25,841,237 km (0.11 R)
• M18: 26,679,883 km (0.099 R)
• M19: 31,382,641 km (0.103 R)
• M20: 33,187,839 km (0.099 R)
• M21: 33,804,631 km (0.099 R)
• M22: 40,820,023 km (0.051 R)
• M23: 41,528,070 km (0.083 R)
• M24: 44,740,684 km (0.1 R)
• M25: 48,272,540 km (0.105 R)
• M26: 52,817,772 km (0.07 R)
• M27: 56,059,259 km (0.08 R)
• M28: 61,814,289 km (0.092 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 283 - 16,855 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit