🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 114.7

Radius: 11.6

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.58 AU - 0.8 AU

Year: 376 Days

Day: 5.8 Hours

Environment

Temp: -144 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 40,786,810 km

• M1: 144,212 km (0.039 R)
• M2: 518,506 km (0.082 R)
• M3: 981,362 km (0.099 R)
• M4: 1,493,286 km (0.08 R)
• M5: 1,932,206 km (0.039 R)
• M6: 2,457,444 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 324.5

Radius: 11.1

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.64 AU - 2.38 AU

Year: 1869 Days

Day: 7.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 40,786,810 km

• M1: 138,079 km (0.064 R)
• M2: 1,078,451 km (0.044 R)
• M3: 1,432,549 km (0.093 R)
• M4: 2,270,596 km (0.046 R)
• M5: 3,919,165 km (0.119 R)
• M6: 5,295,017 km (0.102 R)
• M7: 7,271,354 km (0.077 R)
• M8: 7,740,493 km (0.108 R)
• M9: 8,397,228 km (0.117 R)
• M10: 8,884,618 km (0.088 R)
• M11: 9,759,615 km (0.042 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 579

Radius: 8.7

Gravity: 7.65 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.87 AU - 3.07 AU

Year: 2547 Days

Day: 10.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 40,786,810 km

• M1: 109,356 km (0.113 R)
• M2: 642,224 km (0.11 R)
• M3: 1,125,126 km (0.115 R)
• M4: 1,703,172 km (0.09 R)
• M5: 2,135,061 km (0.104 R)
• M6: 2,509,205 km (0.092 R)
• M7: 2,879,909 km (0.07 R)
• M8: 3,549,209 km (0.098 R)
• M9: 4,897,685 km (0.114 R)
• M10: 5,875,008 km (0.091 R)
• M11: 6,807,900 km (0.102 R)
• M12: 8,053,601 km (0.117 R)
• M13: 10,308,640 km (0.1 R)
• M14: 11,184,685 km (0.1 R)
• M15: 11,863,410 km (0.098 R)
• M16: 13,702,866 km (0.102 R)
• M17: 14,998,234 km (0.065 R)
• M18: 17,937,981 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 828.6

Radius: 10.2

Gravity: 7.96 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 4.83 AU - 5.53 AU

Year: 7734 Days

Day: 13.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 40,786,810 km

• M1: 126,859 km (0.025 R)
• M2: 445,054 km (0.102 R)
• M3: 773,421 km (0.099 R)
• M4: 1,296,864 km (0.098 R)
• M5: 2,046,349 km (0.088 R)
• M6: 2,407,628 km (0.044 R)
• M7: 3,062,268 km (0.092 R)
• M8: 3,467,230 km (0.086 R)
• M9: 4,667,154 km (0.116 R)
• M10: 5,685,317 km (0.105 R)
• M11: 8,716,470 km (0.071 R)
• M12: 9,348,072 km (0.109 R)
• M13: 10,302,805 km (0.102 R)
• M14: 12,461,802 km (0.097 R)
• M15: 13,617,445 km (0.091 R)
• M16: 15,613,081 km (0.106 R)
• M17: 16,409,390 km (0.105 R)
• M18: 16,748,978 km (0.083 R)
• M19: 19,486,170 km (0.08 R)
• M20: 19,867,345 km (0.114 R)
• M21: 22,259,266 km (0.105 R)
• M22: 23,353,125 km (0.098 R)
• M23: 24,659,264 km (0.11 R)
• M24: 25,015,606 km (0.085 R)
• M25: 26,943,474 km (0.12 R)
• M26: 27,703,282 km (0.082 R)
• M27: 31,092,721 km (0.105 R)
• M28: 31,823,357 km (0.118 R)
• M29: 32,352,185 km (0.098 R)
• M30: 37,967,790 km (0.093 R)
• M31: 40,016,084 km (0.071 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 375.1

Radius: 4.1

Gravity: 22.31 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 6.5 AU - 10.66 AU

Year: 16487 Days

Day: 24.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 40,786,810 km

• M1: 51,462 km (0.115 R)
• M2: 329,265 km (0.083 R)
• M3: 475,422 km (0.051 R)
• M4: 617,390 km (0.05 R)
• M5: 1,127,220 km (0.106 R)
• M6: 1,330,075 km (0.088 R)
• M7: 1,557,015 km (0.058 R)
• M8: 2,456,098 km (0.038 R)
• M9: 2,865,697 km (0.086 R)
• M10: 3,498,047 km (0.077 R)
• M11: 3,874,884 km (0.093 R)
• M12: 4,015,805 km (0.054 R)
• M13: 4,337,889 km (0.105 R)
• M14: 5,000,309 km (0.107 R)
• M15: 6,523,215 km (0.032 R)
• M16: 8,950,889 km (0.029 R)
• M17: 9,912,654 km (0.116 R)
• M18: 11,280,577 km (0.068 R)
• M19: 11,452,764 km (0.118 R)
• M20: 11,626,597 km (0.114 R)
• M21: 12,400,766 km (0.037 R)
• M22: 13,208,594 km (0.069 R)
• M23: 13,788,137 km (0.056 R)
• M24: 14,519,072 km (0.07 R)
• M25: 17,016,758 km (0.085 R)
• M26: 19,786,413 km (0.11 R)
• M27: 21,761,553 km (0.099 R)
• M28: 22,933,952 km (0.116 R)
• M29: 23,117,957 km (0.087 R)
• M30: 30,198,275 km (0.067 R)
• M31: 32,112,529 km (0.049 R)
• M32: 35,932,212 km (0.063 R)
• M33: 37,185,244 km (0.092 R)
• M34: 45,175,864 km (0.048 R)
• M35: 45,465,186 km (0.103 R)
• M36: 46,193,728 km (0.028 R)
• M37: 48,880,955 km (0.075 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 151

Radius: 5.6

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 8.37 AU - 8.95 AU

Year: 16718 Days

Day: 21.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 40,786,810 km

• M1: 69,713 km (0.045 R)
• M2: 1,136,345 km (0.116 R)
• M3: 2,303,807 km (0.085 R)
• M4: 3,780,039 km (0.11 R)
• M5: 5,220,666 km (0.062 R)
• M6: 5,631,163 km (0.109 R)
• M7: 7,105,899 km (0.093 R)
• M8: 7,610,193 km (0.12 R)
• M9: 8,221,301 km (0.06 R)
• M10: 8,864,571 km (0.088 R)
• M11: 11,046,456 km (0.068 R)
• M12: 11,564,065 km (0.051 R)
• M13: 13,214,279 km (0.077 R)
• M14: 13,620,886 km (0.101 R)
• M15: 13,797,561 km (0.073 R)
• M16: 14,952,756 km (0.102 R)
• M17: 19,392,073 km (0.088 R)
• M18: 21,468,940 km (0.08 R)
• M19: 22,767,150 km (0.043 R)
• M20: 32,926,491 km (0.098 R)
• M21: 35,645,133 km (0.082 R)
• M22: 37,925,005 km (0.098 R)
• M23: 39,100,545 km (0.085 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 471 - 12,939 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit